most stable yacht

Here Are the Most Stable Boat Hull Designs (with Examples)

The most stable boat hull design depends largely on the type of boat, and the conditions it's used in. To make things simple, I've made a neat overview below.

What is the most stable boat hull design? Generally, multihulls and deep-V hulls are considered the most stable hull designs in most situations. In practice, the most stable hull design depends on the specific conditions in which the boat will be used. With large waves, deep hulls tend to be better than multihulls.

With different situations, the most stable hull winner changes. It also differs per type of boat. Sailboat hulls, for example, are a type of displacement hull (which are considered unstable), that, thanks to their keel, are actually very stable.

Below I list the three most stable hull designs with examples to give you a good overview of the different stabilities of each hull design. But let's kick off with a clean overview of the kings and queens of stability for different conditions.

Most Stable Hull Design in Different Situations

If you're unsure whether a particular hull will be stable, here are three rules of thumb to live by:

• The slower it goes, the more stable the hull will be
• The larger the part underwater, the more stable the hull will be
• The broader it is, the more stable it will be

On this page:

Deep-v hull, displacement hull with keel, flat bottomed and pontoon hulls.

The multihull is the absolute winner in this list, so let's start there. Multihulls are incredibly stable , especially if they consist of two separate hulls (most sailboats). It is generally the most stable hull design out there, in most situations. The exception are extreme weather (and especially wave) conditions. With very large waves, I'd say a prefer a very deep keel design over a multihull.

So why is the multihull on sailboat the most stable, but not on powerboats in the overview above? Well, sailboats and powerboats have different hull types . They move through the water differently, which really impacts the stability of the multihull design. Sailboats have displacement hulls, but powerboats typically use planing hulls. Planing hulls glide over the water and displacement hulls move through the water.

This means that:

• multihull sailboats are displacement multihulls
• multihull powerboats are planing hulls

That simple difference really impacts the stability. I would say that for planing hulls (so powerboat) Deep-V hulls are more stable in most situations. More on that one later.

Generally, displacement hulls are a lot more stable than planing hulls, since they are submerged continuously. So the elements can't push them around as easily as planing hulls.

If you're interested in this kind of stuff, make sure to check out my full Illustrated Guide to Boat Hull Types here. There, I discuss all different hull types in a quick overview. For an in-depth look at displacement hulls, make sure to check out this article .

On Sailboats

Examples: catamarans, trimarans

Before we look at multihulls at powerboats, I want to start with sailboats. Multihull sailboats are incredibly stable. You definitely recognize these hulls: catamarans and trimarans are becoming more and more popular. The design uses two separate hulls, connected by a broad deck. This makes these boats very wide, which increases stability massively.

The two hulls are either regular displacement hulls - so it's like tying two monohull sailboats together - or semi-displacement hulls. This is a hybrid between displacement and planing. If you're interested, you can read a detailed overview of semi-displacement hulls here .

There are conditions where multihull sailboats perform worse than monohulls, and that is in extreme waves. Multihulls are a lot less agile, and because of their width, very large waves can be a problem. Not to worry: it is extremely hard to capsize a catamaran. But they can get pretty beat up when they get kicked around and receive a couple of punches.

On Powerboats

Examples: Cathedral, Dory

There are "multihull" powerboat designs out there. This design really looks like a small catamaran, but you wouldn't say so above the waterline. Powerboats with this design aren't particularly broader than their regular cousins. So the stability is a bit less compared to true catamarans. This design just doesn't make use of the enormous stability improvement thanks to the broad beam.

Multihull powerboats are mainly more stable in low and moderate chop (waves). For rough chop, Deep-V hulls are the better alternative.

Examples: powerboats

Deep-V hulls are a pretty new design, and are somewhat the powerboat's take on the sailboat's keel hull. A Deep-V is sort of a shallow keel design, that runs from front to aft, and results in a flat back to allow for planing. In other words, it's a planing keel design.

This allows two things: it can plane, so it is fast, but it's also a lot more stable and comfortable than flat bottom hulls. Waves won't push these boats around easily, as with flat bottoms. So in a way, it's best of both worlds.

Deep-V Hulls are so stable, that people even use them (safely) in rough coastal waters. They are known to hold their own pretty well in all kinds of conditions.

But: they are a type of planing hull. And as we know, planing hulls are generally less stable than displacement hulls.

Example: Sailboats

There's a bit of a debate on displacement hulls. Without a keel, they are probably the most unstable hull design out there. Really, they roll so incredibly easily. A great example of this are canoes. Canoes have displacement hulls. They glide effortlessly through water, because they are super smooth. But they also capsize the moment you put step onto them.

But displacement hulls have a lot of incredibly advantages. They are incredibly buoyant. They are heavier, making them more reliable and comfortable. They can cary enormous loads.

So we don't want to miss out on those because it tends to roll. Luckily, a simple extra feature will fix all of this: the keel. Sailboats use all sorts of keel design to counter the hull's tendency to roll over.

A good rule of thumb is: the deeper the keel runs, the more stable the hull will be.

So if you're looking for a sailboat to cross oceans on, make sure it has a long, long keel.

However, this doesn't mean it is really stable hull all of a sudden. Displacement monohulls can roll excessively in large waves. It's that typical sea-leg-tester that makes so many people sick. So if your definition of stable is 'steady', this one is not for you. However, if your definition of stable is 'reliable', this is a good option. Their roll is misleading: displacement hulls that have a good keel are incredibly hard to capsize.

Examples of flat bottomed hulls: rafts, row boats

If you are going to use the boat exclusively on small, calm bodies of water, flat bottomed hulls really make sense. You might not have expected them on this list, but the flatter the hull, the more stable it is.

The general rule is: the flatter the hull, the more stable.

So why are not all boats using this hull design? Well, even with a little chop, these boats will quickly become the most uncomfortable ride you've ever been on . Oh, and they steer like crap.

Flat bottomed hulls have a long tradition - I think it was probably the first boat hull design that every existed. Rafts have flat bottoms, and so do row boats. Most modern flat-bottom hulls are not entirely flat, because flat bottoms tend to be very choppy and not handle very well.

As with anything, there are more answers to the same question. But it's not super complex. If you're looking for the most stable boat out there, first make sure you know what you're looking for. Where and when are you going to use the boat?

Good rules of thumb:

• if it needs to go fast, you need a planing hull
• if it needs to be comfortable, you need a displacement hull

For planing hulls, you want some sort of shallow keel (multihull or Deep-V hull). These are the most stable in most conditions.

For displacement hulls, you want a multihull. If you go with a monohull, remember: the deeper the keel, the more stable it will be.

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You may also like, semi-displacement hulls explained (illustrated guide).

If you want to know exactly what a semi-displacement hull is, this article is right for you. Here, I explain simply what it is, how it works, and why it's different …

A Complete Guide to Displacement Hulls (Illustrated)

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The Best-Riding Center Console Boats for Rough Water

• By Heather Steinberger
• Updated: April 7, 2020

We’ve all been there. A headwind pipes up, and choppy, rough seas dance between you and your destination. You throttle up; you throttle back. You try to help your boat find its comfort zone, and you do your best to quarter the waves.

Inevitably, though, there are those stomach-dropping lurches and the slamming that clenches your muscles and rattles your dental work. Despite your best efforts, you can’t ignore the bangs down below, the ones that make the hull shudder. The ones that make you fervently hope that everyone involved with building this boat did a good job.

That’s a rough ride, even for a rough water boat. And it has happened to all of us, so let’s be honest. Not every boat can provide a soft, smooth ride in snotty conditions, no matter what the glossy brochures say.

We asked three prominent boat designers, and their answers provided much food for thought — regarding how to choose a vessel that’s going to provide a smooth ride, best boat for rough seas, the compromises and trade-offs inherent in your choice, and whether a smooth ride is even what you should be looking for in the first place.

Comparing Displacement and Planing Boat Hulls

Dave Gerr founded New York City-based Gerr Marine Inc. in 1983. He’s designed a broad range of recreational boats and commercial vessels, both monohull and multihull. When it comes to designing a soft-riding hull, he immediately pointed out that there are different sets of criteria for displacement hulls and planing hulls.

Displacement hulls, he noted, don’t pound the way a planing hull will, so they automatically provide a softer ride. To maximize this, designers need to ensure three things: a good roll time, good heave characteristics and deadrise forward.

“For the roll time, we have a formula,” Gerr said. “Every boat has a natural roll period, which is 1 to 1.1 seconds times the boat’s beam in meters. If it’s slower than that, you’ll get that drunken motion. If it’s faster, it’s going to feel snappy and uncomfortable.”

For example, a boat with a 6.7-foot beam ideally should have an approximately two-second roll time. And, Gerr added, a reasonable deadrise forward will make the vessel even more comfortable.

The formula for heave, however, is more complicated. It involves the weight of the boat and the water plane area. The lighter the boat is, and the greater its water plane area, the greater the heave motion will be.

“A wide boat with a large water plane will bounce up and down violently,” Gerr said, “but if you have a small water plane compared to the boat’s weight, that heave will be slow. If it heaves too slowly, you’ve got a wet boat.

“You want to have your roll time and heave in the target region, and then add that deadrise forward,” he continued, “so you won’t have pounding in chop.”

For a planing hull this is hard to achieve. By nature, these hulls are snappy and heave more while trolling or drifting; planing cancels that out, but you can still pound.

“What you really want is more deadrise,” Gerr said. “Just remember: The greater the deadrise, the slower the boat [for the same weight and engine]. That deep-V hull is going to need more power.”

A designer, he said, has to juggle power and what is good deadrise on a boat for optimum comfort.

“You put a deep, high deadrise at the forefoot to get the boat to lift its bow out of the water, or you’ll have steering problems,” he said. “You design it so it planes higher, and then you control it with trim tabs so you won’t trip over that forefoot.”

Deadrise is a difficult thing to visually assess at a boat show or in a dealer’s showroom, so how can a boater ascertain if a soft ride was a design priority? Gerr said the length-to-beam ratio is a dead giveaway.

“A long, slender hull is going to have a softer ride, as long as the designer got the roll time right,” he stated. “A wide, shallow hull isn’t going to perform as well. And if you’ve got a high superstructure, you’re going to have increased roll and handling problems.”

Of course, less displacement means it’s a smaller boat inside. You’re going to have to go longer to get the same live-aboard space as that shorter, wider, taller boat next door, but the good news is that your boat is going to be faster and more fuel-efficient than the fat, high version of the same length.

If you are talking deadrise, Gerr said he likes to see a minimum of 17 degrees for offshore boats, although he observed that’s still a bit shallow. Deep-V hulls are considered to be 21 degrees or more. Consider this if you’re looking for the best deadrise for rough water.

“I’d say look for a deadrise of more than 20 degrees,” he advised, “and a length-to-beam ratio on the waterline that is greater than 3.5 to 1. Those two characteristics give you a pretty good idea that the design is intended for a soft ride.”

How Does a Boat Hull Handle in Following Seas?

Michael Peters founded Sarasota, Florida-based Michael Peters Yacht Design (MPYD) in 1981. Originally specializing in high-speed boats and offshore racing, MPYD now brings its fusion of performance and aesthetic standards to a wide variety of boat designs. When asked about the search for the perfect soft-riding boat, Peters laughed.

“Think of these ideals: soft-riding, dry and fast,” he said. “Now, pick two.”

The softer-riding a boat is, the wetter it is, because it doesn’t confront the wave. Rather, it splits it. If you want to knock the water down and push it away, then you’ll feel the impact. Boaters clearly need to consider these trade-offs when seeking a soft-riding vessel, but Peters has a more important cautionary tale to share. It’s natural to think of head seas and a soft-riding hull together in the same scenario — but what happens when the boat turns around?

“That’s a different story,” Peters said. “Following seas can pick up the stern, and the sharp angle and deadrise can cause the boat to bow-steer and broach. That’s a much more dangerous situation. It’s uncomfortable to hit the seas on the nose, but it won’t kill you. Boats go out of control in following seas, not head seas.”

Simply put, a hull that is too pointy forward and too flat aft will have an increased risk of broaching. Boaters should look for a hull with deadrise spread evenly — no extremes, such as a professional offshore racing boat’s sharp deadrise throughout the hull. The best boat hull for rough seas must be able to handle following seas.

“If you’re going to have fine forward sections, you’ll balance the hull by putting a lot of deadrise aft,” Peters explained. “You’re looking for recovery, a bow that doesn’t plunge and that can regain its buoyancy in a following sea.

“In our forward sections, we always run a convex section that’s puffed out,” he continued. “Some curvature helps dissipate wave energy and impact. Concave sections look like they’ll provide a softer ride, but they actually focus the energy.”

Peters’ advice to boaters is twofold. First, avoid those extremes. They’re not necessary for most recreational boaters. And second, make sure you have a good grasp of where and how you’re going to use the boat. An offshore cruising boat might not be the best choice for a river or inland lake.

“Lakes can be much harder for running a boat than the ocean, where you have long swells rather than steep, breaking seas,” Peters said. “Just make sure you’ve planned for the worst conditions you’ll run in, not the best, and never, ever sign a contract without running the boat in the intended conditions.”

Some boats, he said, are not designed to be the best boat . Sometimes the goal is to provide the best accommodations for the hull’s length and beam, which can mean creating a vessel that has a lot of windage, high freeboard, a high center of gravity and a very wide beam for its length.

“We don’t get to design the best boat in all cases,” Peters said. “No perfect boat? No kidding. But every boat appeals to somebody. One guy might love this particular boat, and he wants that 6-foot-4-inch headroom, while another guy is going to hate the compromises.”

“You always have to be aware that the more you emphasize space, the less boat it’s going to be,” he warned. “And it’s counterintuitive, but what looks good might not be good at all.”

Peters also advised inquiring about a preferred design’s origins. Was it designed in-house at the boatbuilding facility? Was it designed by a naval architect? What are his or her credentials?

“Some people might not care, but it will help you better understand the design,” he said. “With a car, we accept that all the engineering is done correctly, and we can choose our favorite based on appeal alone. With a boat, you should think about engineering and stability calculations, not just styling.”

Finally, Peters noted that good hull designs stand the test of time. With most major advancements taking place in hybrids, like stepped hulls and multihulls, the average boat owner is going to be looking at hull designs that haven’t changed much in 20 or 30 years. And that’s OK.

“Most people just want a good family boat,” he said. “I’d say stay in the middle. The hull should look familiar. That hull from 30 years ago is still a good hull.”

A Boat’s Soft Ride is Subjective

Peter Granata, owner of Palmetto Bluff, South Carolina-based Granata Design , has been designing boats since the early 1970s. With a number of award-winning designs and patented ideas under his belt, he’s firm in his conviction that the soft-ride discussion really shouldn’t be about the boat. It’s about the people involved.

“First of all, the hull ride is felt rather than measured,” he said. “And, it’s based very much on your own individual perception of what the boat looks like and what you expect it to deliver, plus your experience up to that point. It’s very subjective.”

Soft can be a relative term. A boater who is downsizing from a 60-foot yacht to a 30-foot pocket cruiser might find the smaller boat has the worst ride he’s experienced to date, whereas a boater jumping up from a 16-footer will say that 30-footer provides the best ride he’s ever had.

The most important questions a boater can ask, Granata said, are: How well does this design meet its intended purpose, and what can it do for me?

He provided a wakeboard boat as an example. The expectation is for thrills, not the softness of the ride.

“Soft ride is certainly a measurement when it comes to boat design, but it’s not the only one,” he said. “A designer should manage the ride aspect to meet the customer’s expectation. Does the boat do what it’s intended to do?”

The idea is that ride is less important than function, based on customer priorities. If you’re headed offshore and a dry ride is your No. 1 priority, you’ll want to make sure the hull has enough flare to ensure that the water follows the hull and travels outboard rather than over the deck. If you’re an angler, you might look for hull cutaways in the right spots to support the design’s self-bailing characteristics. Bass anglers seek extra buoyancy forward to support their weight.

With “dockominiums,” deep deadrise is unnecessary because owners place a higher priority on stability at rest, accommodations and space for entertaining. And with water-sports boats, the wake is all-important. Without that, the hull is worthless.

“We get so wrapped up in the specifics of hull generation that we forget someone has to buy it and spend time in it,” Granata said. “A designer has to know how the boat will be used, and you do as well. The boat is for you, not for the guy who made it.”

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Which is the most stable boat hull design

Aug 05, 2020

less than a min

The hull of the boat is one of the most important parts of a floating vessel. It is in fact the part that is directly in touch with water and helps keep the entire boat afloat. It covers the whole lower shell of the boat and is submerged in water up to the waterline. This is why finding the most stable boat hull design is such a trending topic amongst boat owners. 

The hull of the boat guarantees not only its stability but also its performance , efficiency , and in some cases speed as well. Hull designs vary from boat to boat. There are however some general groups that certain designs are categorized under. These include flat bottoms , round bottoms , vee bottoms as well as multihulls . 

The most stable boat hull design is considered the flat bottom hull . This kind of design offers more stability than the rest due to its flattened bottom. Flat bottom hulls include small boats used in shallow waters, mainly in rivers or lagoons such as small fishing boats. For deeper waters, the most stable hull design is a multihull. The most famous representative of this category is the catamaran . 

Features of the most stable boat hull

As it was previously mentioned, the most stable boat hull is the flat hull design . This hull is shaped almost like a box and allows the boat to be appropriate for anglers and hunters. It is mostly used in shallow waters as the shape of it prevents the boat from touching the ground. Flat hull boats do have a disadvantage however when compared to other boat designs. These boats are not as stable in rough or deep seawaters . Their flattened bottom makes them prone to flipping when hitting larger waves. 

Multihulls on the other hand are more secure in saltwater as well when compared to flat hulls. Multihulls are typically composed of two or more vee hulls that provide extra stability. The most common multihulls include catamarans , trimarans , and other hybrid boats . Their disadvantage includes increased drag and lower efficiency and performance. 

If you are looking to compare these two designs than TheBoatDB can come to your assistance. You can find out the features, advantages, and disadvantages of both hulls and figure out which one is the most appropriate fit for you. Before doing so, keep in mind what type of waters you are looking to roam and how many people you would like to have on board.

All in all, multihulls can be considered the most stable boat hull designs as they do not only provide stability but also a comfortable voyage in open waters. In addition, multihulls also offer ample space for more than five people to be on board and enjoy a day out at sea.

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The Most Stable Boat Hull Designs

Boats are an essen­tial part of life, whether you use them as a recre­ation­al pas­time or a mode of trans­porta­tion. Hav­ing a boat that is sta­ble and secure is essen­tial to a safe and enjoy­able time spent on the water. The hull design is the most impor­tant fac­tor when con­sid­er­ing the sta­bil­i­ty of a boat, so it is impor­tant to under­stand the var­i­ous designs and how they affect sta­bil­i­ty.

Table of Con­tents

The most sta­ble boat hull designs are gen­er­al­ly those with a wide beam and a deep V‑shaped hull. Wide beams help to cre­ate a large base of sta­bil­i­ty, while the V‑shaped hull helps to reduce drag and pro­vide a smooth ride in chop­py waters. Cata­ma­rans, pon­toon boats, and cen­ter con­sole boats are all exam­ples of pop­u­lar hull designs that are known for their sta­bil­i­ty.

Flat Bot­tom Hull: Flat bot­tom hulls are known for their excep­tion­al sta­bil­i­ty, espe­cial­ly in calm and shal­low waters. They have a large sur­face area in con­tact with the water, pro­vid­ing excel­lent sta­bil­i­ty at rest and while under­way. Flat bot­tom hulls are com­mon­ly used in jon boats, skiffs, and some small fish­ing boats.

Pon­toon Hull: Pon­toon boats fea­ture a mul­ti-hull design with two or more pon­toons, pro­vid­ing excel­lent sta­bil­i­ty on the water. The wide and buoy­ant pon­toons offer sta­bil­i­ty even in rough con­di­tions, mak­ing pon­toon boats a pop­u­lar choice for leisure­ly cruis­ing, fish­ing, and enter­tain­ing.

Cata­ma­ran Hull: Cata­ma­ran hulls con­sist of two par­al­lel hulls con­nect­ed by a deck, pro­vid­ing excel­lent sta­bil­i­ty and load-car­ry­ing capac­i­ty. Cata­ma­rans are known for their sta­bil­i­ty in rough seas and high speeds, mak­ing them a pre­ferred choice for off­shore cruis­ing and rac­ing.

Cathe­dral Hull: Cathe­dral hulls have a V‑shaped bot­tom with mul­ti­ple hulls or spon­sons extend­ing from the cen­ter­line. This design pro­vides excel­lent sta­bil­i­ty and maneu­ver­abil­i­ty, mak­ing it suit­able for var­i­ous water activ­i­ties, includ­ing fish­ing, water ski­ing, and cruis­ing.

Deep‑V Hull: Deep‑V hulls fea­ture a V‑shaped bot­tom that extends from bow to stern, offer­ing excel­lent sta­bil­i­ty and per­for­mance in rough water con­di­tions. This hull design is com­mon­ly found in off­shore fish­ing boats and high-speed power­boats.

Oth­er boat hull designs that are known for their sta­bil­i­ty include the modified‑V hull, the semi-dis­place­ment hull, the round-bot­tom hull, and the full-keel hull. Modified‑V hulls are a com­bi­na­tion of a V‑hull and a flat­ter bot­tom, which helps them remain sta­ble in both calm and chop­py waters. Semi-dis­place­ment hulls are designed to cut through the water while main­tain­ing good sta­bil­i­ty. Round-bot­tom hulls are usu­al­ly used on small­er boats and are designed to pro­vide a smooth ride in chop­py waters.

Hull Shapes

The shape of a boat’s hull is the most impor­tant fac­tor in deter­min­ing its sta­bil­i­ty. There are four basic hull shapes: flat-bot­tom, round-bot­tom, semi‑V, and V‑hull. Each of these hull shapes has its own advan­tages and dis­ad­van­tages.

Flat-Bottom Hulls

Flat-bot­tom hulls are the sim­plest and eas­i­est to con­struct, mak­ing them the most com­mon in small boats. They are also the most sta­ble in calm water, as they have a low cen­ter of grav­i­ty and a wide bot­tom that increas­es their sta­bil­i­ty. How­ev­er, flat-bot­tom hulls are not suit­able for larg­er boats or in chop­py water, as their lack of shape and their wide bot­tom makes them unsta­ble.

Round-Bottom Hulls

Round-bot­tom hulls are more curved than flat-bot­tom hulls, which helps them to slice through waves more eas­i­ly and increas­es their sta­bil­i­ty in chop­py water. They also have a high­er cen­ter of grav­i­ty, mak­ing them less sta­ble in calm water. They are often used on larg­er boats, as they are more suit­able for deep-water sail­ing.

Semi‑V Hulls

Semi‑V hulls are a com­bi­na­tion of the flat-bot­tom and round-bot­tom hulls. They have a flat bot­tom with a slight curve to the sides, which helps them to per­form bet­ter in chop­py water. They have a mod­er­ate cen­ter of grav­i­ty, mak­ing them more sta­ble than round-bot­tom hulls in calm water, but less sta­ble than flat-bot­tom hulls.

V‑hulls are the most com­plex of the four hull shapes. They have sharp curves to the sides, which help them to bet­ter slice through waves and increase their sta­bil­i­ty in chop­py water. They also have a high­er cen­ter of grav­i­ty, mak­ing them less sta­ble in calm water. V‑hulls are often used on larg­er boats, as they are bet­ter suit­ed for deep-water sail­ing.

Hull Materials

The mate­r­i­al used to con­struct a boat’s hull also plays a role in its sta­bil­i­ty. Dif­fer­ent mate­ri­als can affect a boat’s weight dis­tri­b­u­tion, which in turn affects its sta­bil­i­ty. The most com­mon mate­ri­als used to con­struct boat hulls are wood, fiber­glass, and alu­minum.

Wood hulls are the most tra­di­tion­al and have been used for cen­turies. They are light­weight and have excel­lent sta­bil­i­ty in calm water, but are not suit­able for deep-water sail­ing. Wood hulls also require more main­te­nance than oth­er mate­ri­als, as they can eas­i­ly be dam­aged by water and need to be treat­ed reg­u­lar­ly.

Fiberglass Hulls

Fiber­glass hulls are the most com­mon mate­r­i­al used in mod­ern boats. They are light­weight and durable, mak­ing them suit­able for both calm and chop­py waters. They are also rel­a­tive­ly easy to main­tain, as they do not require as much treat­ment as wood hulls. If You want to know more check our guide on how to repair fiber­glass boat hull from out­side .

Aluminum Hulls

Alu­minum hulls are the strongest and most durable of the three mate­ri­als. They are also the heav­i­est, which makes them less suit­able for deep-water sail­ing. How­ev­er, they are extreme­ly sta­ble in calm waters and require lit­tle main­te­nance.

Design Considerations

When choos­ing a boat hull design, it is impor­tant to con­sid­er the type of boat and its intend­ed use. If the boat is intend­ed for deep-water sail­ing, then a V‑hull or round-bot­tom hull may be the best option. If the boat is for use in calm waters, then a flat-bot­tom or semi‑V hull would be more suit­able. It is also impor­tant to con­sid­er the type of mate­r­i­al used to con­struct the hull, as each mate­r­i­al has its own advan­tages and dis­ad­van­tages.

Safety Features

Even the most sta­ble boat hull design can be made more secure with the addi­tion of safe­ty fea­tures. These can include handrails, life jack­ets, and even an anchor. Handrails pro­vide a secure grip on the boat and can help to pre­vent falls over­board. Life jack­ets are essen­tial for any boat, as they pro­vide addi­tion­al buoy­an­cy in the event of a fall over­board. An anchor can be used to secure the boat to the shore or sea floor, fur­ther increas­ing the safe­ty of the pas­sen­gers.

Maintenance

Reg­u­lar main­te­nance is essen­tial to ensure a boat’s hull remains in good con­di­tion. This includes check­ing and lubri­cat­ing the hull reg­u­lar­ly, inspect­ing for any signs of cor­ro­sion or dam­age, and clean­ing the hull reg­u­lar­ly . Prop­er main­te­nance will help to ensure the hull remains sta­ble and secure for years to come.

The cost of a boat hull design can vary depend­ing on the mate­ri­als and labor involved. Wood hulls are the cheap­est option, while fiber­glass and alu­minum hulls can be more expen­sive. It is impor­tant to con­sid­er the cost of the hull design when mak­ing a pur­chase, as a more expen­sive design may offer more sta­bil­i­ty and secu­ri­ty.

What is the most efficient boat hull design?

The most effi­cient boat hull design is one which is designed to min­i­mize drag and max­i­mize lift while still pro­vid­ing good sta­bil­i­ty and maneu­ver­abil­i­ty. This usu­al­ly requires a com­bi­na­tion of fac­tors such as the shape of the hull, the size and weight of the boat, the type of mate­ri­als used, and the place­ment of appendages such as keels and skegs.

It also takes into account the type of water­craft it is intend­ed for and the con­di­tions in which it will be used. For exam­ple, a boat designed for rough waters may need a dif­fer­ent type of hull than one designed for use in calm waters. Oth­er con­sid­er­a­tions include the type of propul­sion sys­tem being used and the desired speed of the boat. To achieve the most effi­cient design, the boat design­er must use their knowl­edge of flu­id dynam­ics and mate­ri­als sci­ence to cre­ate the best pos­si­ble com­bi­na­tion of these ele­ments.

What is the most stable boat hull design in rough water?

The most sta­ble boat hull design in rough water is a deep - V hull . This design fea­tures a sharp angle at the bow , which slices through the waves , and a shal­low angle at the stern , which pro­vides more lift and helps to reduce the amount of water that spl ash­es up against the hull . This com­bi­na­tion of a sharp bow and shal­low stern makes for a boat hull that is less like­ly to be affect­ed by cho ppy waters and that is more sta­ble in rough con­di­tions .

It is also impor­tant to con­sid­er the cost of insur­ing a boat. Insur­ance can help to cov­er the cost of any repairs or replace­ments that may be nec­es­sary, which can be cost­ly. Before pur­chas­ing a boat, it is wise to research the var­i­ous insur­ance poli­cies avail­able to ensure you are ade­quate­ly cov­ered.

What is the most stable boat hull design?

The most sta­ble boat hull designs include flat-bot­tomed hulls, pon­toon hulls, and cathe­dral hulls. These designs offer excel­lent sta­bil­i­ty in dif­fer­ent water con­di­tions.

Are deep‑V hulls more stable in rough waters?

Yes, deep‑V hulls are known for their sta­bil­i­ty in rough waters. The V‑shaped hull allows the boat to cut through waves, pro­vid­ing a smoother ride and increased sta­bil­i­ty.

Are pontoon boats stable?

Yes, pon­toon boats are known for their excep­tion­al sta­bil­i­ty. The wide and buoy­ant pon­toons offer excel­lent sta­bil­i­ty, mak­ing pon­toon boats pop­u­lar for leisure­ly cruis­es and oth­er on-water activ­i­ties.

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From Solar-Powered Catamarans to Giant Sailing Yachts: The 12 Most Innovative Boats on the High Seas

These yachts are shaping the future of luxury boating., julia zaltzman, julia zaltzman's most recent stories.

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Yachts that make you look twice. That’s what our round-up of future-forward superyachts on the water today make us do. From aft decks dedicated to the ultimate helipad to silent hybrid cruisers, and even optical illusion design, it’s a rubbernecker’s paradise of top notch amenities and visionary thinking all rolled up into one dynamic yacht package. Whether you’re a salty sailor at heart or keen on speed machines, here we identify eight innovative vessels that will make you want to hop aboard without a second thought.

Feadship 312-foot ‘Bliss’

Launched in May 2021, Bliss has the Dutch shipyard’s all-new hybrid propulsion system. Designed and engineered in partnership with De Voogt Naval Architects, the diesel-electric hybrid system is paired with Polar Code compliance, meaning guests can cruise the more sensitive Polar regions with greater efficiency and as light a footprint as possible. Welcoming nine guests in an interior designed by Remi Tessier, the 312-foot world traveler packs true go-anywhere capabilities, along with a gym, wellness space, a pool and a convertible helideck.

Royal Huisman’s 184-Foot Sailing Yacht ‘Aquarius’

When design simplicity meets cutting-edge technology, the result is 184-foot ketch Aquarius . Built for an owner who likes to race and explore in equal measure, the Royal Huisman sailing yacht shows how performance and classic design do not have to be mutually exclusive. Fast yet easy to sail, Aquarius has a ketch rig developed in collaboration by the yard, its sister company Rondal, and Dykstra Naval Architects. She pairs 9,843-square-feet of sails with the latest in navigational aids to be a world explorer. Classic teak decking and good seakeeping qualities make her a true sailor’s yacht.

Heesen 262-foot ‘Galactica’

The 262-foot Galactica, built by Dutch shipyard Heesen in 2022, rewrites the rules of engineering. The owner’s brief requested fast and big, which led to an all-aluminum build to keep weight down and achieve speeds close to 30 knots, and a newly patented “backbone” for strength and rigidity. Developed in partnership with Dutch hydrodynamicists Van Oossanen, Galactica ’s fast displacement platform is created using two long, flat metal plates that are joined together by a vertical plate in the middle. This prevents the hull from flexing in water. Four MTU engines deliver 19,000-hp, and the addition of a fully-certified helipad means no place is off limits.

Ulstein Verft’s 290-Foot Motor Yacht ‘Olivia O’

Olivia O is a yacht that means business. Robust in every way, she is owned by a commercial shipping magnate with a love for industrial boats. Built by Norwegian shipyard Ulstein Verft Olivia O ’s rustic appeal is exemplified by the use of metal in the Espen Øino-designed interior, from windows with steel borders to corridors with painted metal ceilings. On water, she is defined by Ulstein’s trademarked X-Bow, which was originally designed for use on offshore vessels. Olivia O is the first yacht to ever feature it. Launched in 2020, she bridges the gap between luxury superyacht and authentic rugged explorer.

Oceanco’s 350-Foot Sailing Yacht ‘Black Pearl’

Scooping the top spot for largest DynaRig sailing yacht in the world, Black Pearl is designed by Nuvolari Lenard (assisted by Villate Design). A tri-deck sailing yacht, she boasts three revolutionary 70m DynaRig carbon masts and a sailing system designed by Dykstra Naval Architects. What’s more impressive is that all 2,900sqm of her black, highly distinctive sails can be set in a rapid seven minutes, and all at the push of a button. Her hybrid propulsion system, and other environmental onboard systems, such as waste heat recovery, propel her among a new generation of environmentally sustainable, and highly efficient vessels.

Benetti 351-foot ‘Lana’

One of the most exciting additions to the gigayacht club, Lana was built to discover the four corners of the globe. One of the largest yachts delivered by the Italian builder, Lana is powered by an unusual Rolls-Royce hybrid-electric propulsion, delivering fuel efficiency and long-range cruising. Delivered in 2020, she boasts a large pool on the sun deck that comes with its own heating system, meaning guests can enjoy a splash wherever she cruises. A waterside beach club with folding terraces creates a floating apartment at sea, equipped with a Hammam, massage room, and a dedicated professional therapist makes up one of the 33 full-time crew.

Bilgin 262-foot ‘Tatiana’

Launched in 2020, Tatiana the new flagship yacht from Bilgin Yachts heralded the arrival of cutting-edge, metal-hulled Turkish-built superyachts. With an internal volume of 1,689 gross tons—more than twice that of Bilgin’s previous flagship— Tatiana is defined by long overhangs and a sweeping sheer line penned by Unique Yacht Design. But it’s the 1,200-square-foot lower deck beach club with its two fold-down sea terraces that steal the limelight. The centerpiece is a 30-foot long, freshwater swimming pool. A second glass-bottomed pool on the main deck bathes the beach club below in dappled sunlight. When the shell doors are closed, guests can pamper themselves in the spa that enjoys a hammam, massage room and wet bar with a backlit floor.

Oceanco’s 360-Foot ‘Kaos’ (ex-‘Jubilee’)

The mighty motor yacht Kaos , formerly known as Jubilee , was built by Dutch shipyard Oceanco. For her Moscow-born exterior designer Igor Lobanov, she represents the need to always have faith in your own vision. Topping both length and volume records in the Netherlands at the time of her launch, Kaos’s layered double decks—the very thing that originally put so many people off the concept—are, for Lobanov, the key to the design’s success. “When you’re travelling on a small tender it gives the scale of a bigger yacht, but as you get closer to the yacht you realize her actual size. That’s what we wanted to achieve. We wanted it to be a design trick.” The illusion has been created with smoked glass panels between the decks that run the length of the superstructure and areas of teak decking inaccessible to guests, but which from a distance look like genuine deck spaces. Perfection.

Nobiskrug’s 262-Foot ‘Artefact’

Renowned for a truly striking exterior before she had even hit water, Artefact is the latest launch from German shipyard Nobiskrug. Designed by Gregory C Marshall, she boasts an extensive use of both structural and decorative glass, and includes a number of new technological and engineering features to minimise its environmental impact. These include a large battery storage system which allows the boat to operate without internal combustion engines for a limited time. The biggest-volume 262-foot superyacht in the world, she is also among the first superyachts to meet IMO Tier III emissions regulations and features an innovative diesel-electric propulsion system developed with electric motor manufacturer ABB.

Sanlorenzo 112-foot SX112

As the flagship of Sanlorenzo’s SX crossover line, the premise of the 111.5-foot SX112 is to introduce a new way of living at sea. Described by the Italian builder as a “floating building,” the innovative design enhances guests’ onboard connectivity to the outdoors. It’s achieved by reducing barriers to the outside and closer indoor-outdoor connection. Greater emphasis has been placed on the stern, which has a spacious internal beach area with easy access to the water and beyond, and elsewhere, retractable terraces maximize the outside connection. Exterior designed by Zucccon International, the SX112 gifts superyacht living space typically found on a much larger yacht aboard a compact platform.

Sunreef 78.7-foot 80 Eco

Is there anything more responsible than an electric sailing yacht that creates renewable energy? We don’t think so. The Sunreef 80 Eco is a sustainable transatlantic catamaran that combines electric propulsion with superyacht living and reliable sailing performance. Designed for long offshore navigation, it even generates its own electricity while under sail via a hydro generation system. A total of 1,765-square-feet of ultra-lightweight composite-integrated solar panels are spread across the mast, boom, superstructure, Bimini and hull sides generating up to 32kWp. Inside, the 78.7-foot multihull enjoys living quarters and accommodation for up to 10 guests, thanks in part to a 38-foot beam. It’s like a luxury pied-à-terre on water.

McConaghy Boats’ 140-Foot Trimaran ‘Adastra’

Costing over $20 million to build when launched in 2012, the owner of this custom-built transatlantic trimaran—shipping magnate Antony Marden—has cruised the seven seas for seven years turning heads everywhere he goes. Adastra ’s space age design comes from the boards of British studio Shuttleworth Design and was built in China by McConaghy Boats. Her speedy and light-weight hull is made from a super-strong e-glass/Kevlar foam sandwich, while her superstructure is made up of carbon fiber with a lightweight Nomex honeycomb core. Currently for sale, she provides the rare opportunity to own a yacht with “amazing seaworthiness” and looks like nothing else out there right now.

This story was originally published on August 7, 2020. It has been updated to reflect the most innovative vessels on the water as of the current publishing date. 

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43 of the best bluewater sailboat designs of all time

• January 5, 2022

How do you choose the right yacht for you? We highlight the very best bluewater sailboat designs for every type of cruising

Which yacht is the best for bluewater boating? This question generates even more debate among sailors than questions about what’s the coolest yacht , or the best for racing. Whereas racing designs are measured against each other, cruising sailors get very limited opportunities to experience different yachts in real oceangoing conditions, so what is the best bluewater sailboat?

Here, we bring you our top choices from decades of designs and launches. Over the years, the Yachting World team has sailed these boats, tested them or judged them for European Yacht of the Year awards, and we have sifted through the many to curate a selection that we believe should be on your wishlist.

Making the right choice may come down to how you foresee your yacht being used after it has crossed an ocean or completed a passage: will you be living at anchor or cruising along the coast? If so, your guiding requirements will be space, cabin size, ease of launching a tender and anchoring closer to shore, and whether it can comfortably accommodate non-expert-sailor guests.

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All of these considerations have generated the inexorable rise of the bluewater catamaran – monohulls can’t easily compete on these points. We have a full separate feature on the best bluewater multihulls of all time and here we mostly focus on monohulls. The only exceptions to that rule are two multihulls which made it into our best bluewater sailboats of 2022 list.

As so much of making the right choice is selecting the right boat for the venture in mind, we have separated out our edit into categories: best for comfort; for families; for performance; and for expedition or high latitudes sailing .

Best bluewater sailboats of 2022

The new flagship Allures 51.9, for example, is a no-nonsense adventure cruising design built and finished to a high standard. It retains Allures’ niche of using aluminium hulls with glassfibre decks and superstructures, which, the yard maintains, gives the optimum combination of least maintenance and less weight higher up. Priorities for this design were a full beam aft cabin and a spacious, long cockpit. Both are excellent, with the latter, at 6m long, offering formidable social, sailing and aft deck zones.

It likes some breeze to come to life on the wheel, but I appreciate that it’s designed to take up to five tonnes payload. And I like the ease with which you can change gears using the furling headsails and the positioning of the powerful Andersen winches inboard. The arch is standard and comes with a textile sprayhood or hard bimini.

Below decks you’ll find abundant headroom and natural light, a deep U-shape galley and cavernous stowage. For those who like the layout of the Amel 50 but would prefer aluminium or shoal draught, look no further.

Allures 51.9 price: €766,000

The Ovni 370 is another cunning new aluminum centreboard offering, a true deck saloon cruiser for two. The designers say the biggest challenge was to create a Category A ocean going yacht at this size with a lifting keel, hence the hull had to be very stable.

Enjoyable to helm, it has a practical, deep cockpit behind a large sprayhood, which can link to the bimini on the arch. Many of its most appealing features lie in the bright, light, contemporary, clever, voluminous interior, which has good stowage and tankage allocation. There’s also a practical navstation, a large workroom and a vast separate shower. I particularly like the convertible saloom, which can double as a large secure daybed or pilot berth.

Potentially the least expensive Category A lift keel boat available, the Ovni will get you dreaming of remote places again.

Ovni 370 price: €282,080

There’s no shortage of spirit in the Windelo 50. We gave this a sustainability award after it’s founders spent two years researching environmentally-friendly composite materials, developing an eco-composite of basalt fibre and recycled PET foam so it could build boats that halve the environmental impact of standard glassfibre yachts.

The Windelo 50 is an intriguing package – from the styling, modular interior and novel layout to the solar field on the roof and the standard electric propulsion, it is completely fresh.

Windelo 50 price: €795,000

Best bluewater sailboat of 2022 – Outremer 55

I would argue that this is the most successful new production yacht on the market. Well over 50 have already sold (an equipped model typically costs €1.6m) – and I can understand why. After all, were money no object, I had this design earmarked as the new yacht I would most likely choose for a world trip.

Indeed 55 number one Sanya, was fully equipped for a family’s world cruise, and left during our stay for the Grand Large Odyssey tour. Whereas we sailed Magic Kili, which was tricked up with performance options, including foam-cored deckheads and supports, carbon crossbeam and bulkheads, and synthetic rigging.

At rest, these are enticing space ships. Taking one out to sea is another matter though. These are speed machines with the size, scale and loads to be rightly weary of. Last month Nikki Henderson wrote a feature for us about how to manage a new breed of performance cruising cats just like this and how she coaches new owners. I could not think of wiser money spent for those who do not have ample multihull sailing experience.

Under sail, the most fun was obviously reserved for the reaching leg under asymmetric, where we clocked between 11-16 knots in 15-16 knots wind. But it was the stability and of those sustained low teen speeds which really hit home  – passagemaking where you really cover miles.

Key features include the swing helms, which give you views from outboard, over the coachroof or from a protected position in the cockpit through the coachroof windows, and the vast island in the galley, which is key to an open plan main living area. It helps provide cavernous stowage and acts as the heart of the entertaining space as it would in a modern home. As Danish judge Morten Brandt-Rasmussen comments: “Apart from being the TGV of ocean passages the boat offers the most spacious, open and best integration of the cockpit and salon areas in the market.”

Outremer has done a top job in packing in the creature comforts, stowage space and payload capacity, while keeping it light enough to eat miles. Although a lot to absorb and handle, the 55 offers a formidable blend of speed and luxury cruising.

Outremer 55 price: €1.35m

Best bluewater sailboats for comfort

This is the successor to the legendary Super Maramu, a ketch design that for several decades defined easy downwind handling and fostered a cult following for the French yard. Nearly a decade old, the Amel 55 is the bridge between those world-girdling stalwarts and Amel’s more recent and totally re-imagined sloop designs, the Amel 50 and 60.

The 55 boasts all the serious features Amel aficionados loved and valued: a skeg-hung rudder, solidly built hull, watertight bulkheads, solid guardrails and rampart bulwarks. And, most noticeable, the solid doghouse in which the helmsman sits in perfect shelter at the wheel.

This is a design to live on comfortably for long periods and the list of standard features just goes on and on: passarelle; proper sea berths with lee cloths; electric furling main and genoa; and a multitude of practical items that go right down to a dishwasher and crockery.

There’s no getting around the fact these designs do look rather dated now, and through the development of easier sail handling systems the ketch rig has fallen out of fashion, but the Amel is nothing short of a phenomenon, and if you’ve never even peeked on board one, you really have missed a treat.

Photo: Sander van der Borch

Contest 50CS

A centre cockpit cruiser with true longevity, the Contest 50CS was launched by Conyplex back in 2003 and is still being built by the family-owned Dutch company, now in updated and restyled form.

With a fully balanced rudder, large wheel and modern underwater sections, the Contest 50CS is a surprisingly good performer for a boat that has a dry weight of 17.5 tonnes. Many were fitted with in-mast furling, which clearly curtails that performance, but even without, this boat is set up for a small crew.

Electric winches and mainsheet traveller are all easy to reach from the helm. On our test of the Contest 50CS, we saw for ourselves how two people can gybe downwind under spinnaker without undue drama. Upwind, a 105% genoa is so easy to tack it flatters even the weediest crewmember.

Down below, the finish level of the joinery work is up there among the best and the interior is full of clever touches, again updated and modernised since the early models. Never the cheapest bluewater sailing yacht around, the Contest 50CS has remained in demand as a brokerage buy. She is a reassuringly sure-footed, easily handled, very well built yacht that for all those reasons has stood the test of time.

This is a yacht that would be well capable of helping you extend your cruising grounds, almost without realising it.

Read more about the Contest 50CS and the new Contest 49CS

Photo: Rick Tomlinson

Hallberg-Rassy 48 Mk II

For many, the Swedish Hallberg-Rassy yard makes the quintessential bluewater cruiser for couples. With their distinctive blue cove line, these designs are famous for their seakindly behaviour, solid-as-a-rock build and beautifully finished, traditional interiors.

To some eyes, Hallberg-Rassys aren’t quite cool enough, but it’s been company owner Magnus Rassy’s confidence in the formula and belief in incremental ‘step-by-step’ evolution that has been such an exceptional guarantor of reliable quality, reputation and resale value.

The centre cockpit Hallberg-Rassy 48 epitomises the concept of comfort at sea and, like all the Frers-designed Hallberg-Rassys since the 1990s, is surprisingly fleet upwind as well as steady downwind. The 48 is perfectly able to be handled by a couple (as we found a few years back in the Pacific), and could with no great effort crack out 200-mile days.

The Hallberg-Rassy 48 was launched nearly a decade ago, but the Mk II from 2014 is our pick, updated with a more modern profile, larger windows and hull portlights that flood the saloon and aft cabin with light. With a large chart table, secure linear galley, heaps of stowage and space for bluewater extras such as machinery and gear, this yacht pretty much ticks all the boxes.

Discovery 55

First launched in 2000, the Discovery 55 has stood the test of time. Designed by Ron Holland, it hit a sweet spot in size that appealed to couples and families with world girdling plans.

Elegantly styled and well balanced, the 55 is also a practical design, with a deep and secure cockpit, comfortable seating, a self-tacking jib, dedicated stowage for the liferaft , a decent sugar scoop transom that’s useful for swimming or dinghy access, and very comfortable accommodation below. In short, it is a design that has been well thought out by those who’ve been there, got the bruises, stubbed their toes and vowed to change things in the future if they ever got the chance.

Throughout the accommodation there are plenty of examples of good detailing, from the proliferation of handholds and grabrails, to deep sinks in the galley offering immediate stowage when under way and the stand up/sit down showers. Stowage is good, too, with plenty of sensibly sized lockers in easily accessible positions.

The Discovery 55 has practical ideas and nifty details aplenty. She’s not, and never was, a breakthrough in modern luxury cruising but she is pretty, comfortable to sail and live on, and well mannered.

Photo: Latitudes Picture Library

You can’t get much more Cornish than a Rustler. The hulls of this Stephen Jones design are hand-moulded and fitted out in Falmouth – and few are more ruggedly built than this traditional, up-for-anything offshore cruiser.

She boasts an encapsulated lead keel, eliminating keel bolts and creating a sump for generous fuel and water tankage, while a chunky skeg protects the rudder. She is designed for good directional stability and load carrying ability. These are all features that lend this yacht confidence as it shoulders aside the rough stuff.

Most of those built have had a cutter rig, a flexible arrangement that makes sense for long passages in all sea and weather conditions. Down below, the galley and saloon berths are comfortable and sensible for living in port and at sea, with joinery that Rustler’s builders are rightly proud of.

As modern yachts have got wider, higher and fatter, the Rustler 42 is an exception. This is an exceptionally well-mannered seagoing yacht in the traditional vein, with elegant lines and pleasing overhangs, yet also surprisingly powerful. And although now over 20 years old, timeless looks and qualities mean this design makes her look ever more like a perennial, a modern classic.

The definitive crossover size, the point at which a yacht can be handled by a couple but is just large enough to have a professional skipper and be chartered, sits at around the 60ft mark. At 58ft 8in, the Oyster 575 fitted perfectly into this growing market when launched in 2010. It went on to be one of the most popular models from the yard, and is only now being superseded by the newer Rob Humphreys-designed Oyster 565 (just launched this spring).

Built in various configurations with either a deep keel, shoal draught keel or centreboard with twin rudders, owners could trade off better performance against easy access to shallower coves and anchorages. The deep-bodied hull, also by Rob Humphreys, is known for its easy motion at sea.

Some of the Oyster 575’s best features include its hallmark coachroof windows style and centre cockpit – almost everyone will know at first glance this is an Oyster – and superb interior finish. If she has a flaw, it is arguably the high cockpit, but the flip side is the galley headroom and passageway berth to the large aft stateroom.

This design also has a host of practical features for long-distance cruising, such as high guardrails, dedicated liferaft stowage, a vast lazarette for swallowing sails, tender, fenders etc, and a penthouse engine room.

Privilege Serie 5

A true luxury catamaran which, fully fitted out, will top €1m, this deserves to be seen alongside the likes of the Oyster 575, Gunfleet 58 and Hallberg-Rassy 55. It boasts a large cockpit and living area, and a light and spacious saloon with an emphasis on indoor-outdoor living, masses of refrigeration and a big galley.

Standout features are finish quality and solid build in a yacht designed to take a high payload, a secure walkaround deck and all-round views from the helm station. The new Privilege 510 that will replace this launches in February 2020.

Gunfleet 43

It was with this Tony Castro design that Richard Matthews, founder of Oyster Yachts, launched a brand new rival brand in 2012, the smallest of a range stretching to the flagship Gunfleet 74. The combination of short overhangs and centre cockpit at this size do make the Gunfleet 43 look modern if a little boxy, but time and subsequent design trends have been kind to her lines, and the build quality is excellent. The saloon, galley and aft cabin space is exceptional on a yacht of this size.

Photo: David Harding

Conceived as a belt-and-braces cruiser, the Kraken 50 launched last year. Its unique points lie underwater in the guise of a full skeg-hung rudder and so-called ‘Zero Keel’, an encapsulated long keel with lead ballast.

Kraken Yachts is the brainchild of British businessman and highly experienced cruiser Dick Beaumont, who is adamant that safety should be foremost in cruising yacht design and build. “There is no such thing as ‘one yacht for all purposes’… You cannot have the best of all worlds, whatever the salesman tells you,” he says.

Read our full review of the Kraken 50 .

Wauquiez Centurion 57

Few yachts can claim to be both an exciting Med-style design and a serious and practical northern European offshore cruiser, but the Wauquiez Centurion 57 tries to blend both. She slightly misses if you judge solely by either criterion, but is pretty and practical enough to suit her purpose.

A very pleasant, well-considered yacht, she is impressively built and finished with a warm and comfortable interior. More versatile than radical, she could be used for sailing across the Atlantic in comfort and raced with equal enjoyment at Antigua Sailing Week .

A modern classic if ever there was one. A medium to heavy displacement yacht, stiff and easily capable of standing up to her canvas. Pretty, traditional lines and layout below.

Photo: Voyage of Swell

Well-proven US legacy design dating back to the mid-1960s that once conquered the Transpac Race . Still admired as pretty, with slight spoon bow and overhanging transom.

Capable medium displacement cruiser, ideal size and good accommodation for couples or family cruising, and much less costly than similar luxury brands.

Photo: Peter Szamer

Swedish-built aft cockpit cruiser, smaller than many here, but a well-built and finished, super-durable pocket ocean cruiser.

Tartan 3700

Designed as a performance cruiser there are nimbler alternatives now, but this is still an extremely pretty yacht.

Broker ’ s choice

Discovery 55 Brizo

This yacht has already circumnavigated the globe and is ‘prepared for her next adventure,’ says broker Berthon. Price: £535,000 + VAT

Oyster 575 Ayesha

‘Stunning, and perfectly equipped for bluewater cruising,’ says broker Ancasta International. Price: £845,000 (tax not paid)

Oyster 575 Pearls of Nautilus

Nearly new and with a high spec, this Oyster Brokerage yacht features American white oak joinery and white leather upholstery and has a shoal draught keel. Price: $1.49m

Best bluewater yachts for performance

The Frers-designed Swan 54 may not be the newest hull shape but heralded Swan’s latest generation of displacement bluewater cruisers when launched four years ago. With raked stem, deep V hull form, lower freeboard and slight curve to the topsides she has a more timeless aesthetic than many modern slab-sided high volume yachts, and with that a seakindly motion in waves. If you plan to cover many miles to weather, this is probably the yacht you want to be on.

Photo: Carlo Borlenghi

Besides Swan’s superlative build quality, the 54 brings many true bluewater features, including a dedicated sail locker. There’s also a cockpit locker that functions as a utility cabin, with potential to hold your generator and washing machine, or be a workshop space.

The sloping transom opens out to reveal a 2.5m bathing platform, and although the cabins are not huge there is copious stowage space. Down below the top-notch oak joinery is well thought through with deep fiddles, and there is a substantial nav station. But the Swan 54 wins for handling above all, with well laid-out sail controls that can be easily managed between a couple, while offering real sailing enjoyment to the helmsman.

Photo: Graham Snook

The Performance Cruiser winner at the 2019 European Yacht of the Year awards, the Arcona 435 is all about the sailing experience. She has genuine potential as a cruiser-racer, but her strengths are as an enjoyable cruiser rather than a full-blown liveaboard bluewater boat.

Build quality is excellent, there is the option of a carbon hull and deck, and elegant lines and a plumb bow give the Arcona 435 good looks as well as excellent performance in light airs. Besides slick sail handling systems, there are well thought-out features for cruising, such as ample built-in rope bins and an optional semi-closed stern with stowage and swim platform.

Outremer 51

If you want the space and stability of a cat but still prioritise sailing performance, Outremer has built a reputation on building catamarans with true bluewater characteristics that have cruised the planet for the past 30 years.

Lighter and slimmer-hulled than most cruising cats, the Outremer 51 is all about sailing at faster speeds, more easily. The lower volume hulls and higher bridgedeck make for a better motion in waves, while owners report that being able to maintain a decent pace even under reduced canvas makes for stress-free passages. Deep daggerboards also give good upwind performance.

With bucket seats and tiller steering options, the Outremer 51 rewards sailors who want to spend time steering, while they’re famously well set up for handling with one person on deck. The compromise comes with the interior space – even with a relatively minimalist style, there is less cabin space and stowage volume than on the bulkier cats, but the Outremer 51 still packs in plenty of practical features.

The Xc45 was the first cruising yacht X-Yachts ever built, and designed to give the same X-Yachts sailing experience for sailors who’d spent years racing 30/40-footer X- and IMX designs, but in a cruising package.

Launched over 10 years ago, the Xc45 has been revisited a few times to increase the stowage and modernise some of the styling, but the key features remain the same, including substantial tanks set low for a low centre of gravity, and X-Yachts’ trademark steel keel grid structure. She has fairly traditional styling and layout, matched with solid build quality.

A soft bilge and V-shaped hull gives a kindly motion in waves, and the cockpit is secure, if narrow by modern standards.

A three or four cabin catamaran that’s fleet of foot with high bridgedeck clearance for comfortable motion at sea. With tall daggerboards and carbon construction in some high load areas, Catana cats are light and quick to accelerate.

Sweden Yachts 45

An established bluewater design that also features in plenty of offshore races. Some examples are specced with carbon rig and retractable bowsprits. All have a self-tacking jib for ease. Expect sweeping areas of teak above decks and a traditionally wooded interior with hanging wet locker.

A vintage performer, first launched in 1981, the 51 was the first Frers-designed Swan and marked a new era of iconic cruiser-racers. Some 36 of the Swan 51 were built, many still actively racing and cruising nearly 40 years on. Classic lines and a split cockpit make this a boat for helming, not sunbathing.

Photo: Julien Girardot / EYOTY

The JPK 45 comes from a French racing stable, combining race-winning design heritage with cruising amenities. What you see is what you get – there are no superfluous headliners or floorboards, but there are plenty of ocean sailing details, like inboard winches for safe trimming. The JPK 45 also has a brilliantly designed cockpit with an optional doghouse creating all-weather shelter, twin wheels and superb clutch and rope bin arrangement.

Photo: Andreas Lindlahr

For sailors who don’t mind exchanging a few creature comforts for downwind planing performance, the Pogo 50 offers double-digit surfing speeds for exhilarating tradewind sailing. There’s an open transom, tiller steering and no backstay or runners. The Pogo 50 also has a swing keel, to nose into shallow anchorages.

Seawind 1600

Seawinds are relatively unknown in Europe, but these bluewater cats are very popular in Australia. As would be expected from a Reichel-Pugh design, this 52-footer combines striking good looks and high performance, with fine entry bows and comparatively low freeboard. Rudders are foam cored lifting designs in cassettes, which offer straightforward access in case of repairs, while daggerboards are housed under the deck.

Best bluewater sailboats for families

It’s unsurprising that, for many families, it’s a catamaran that meets their requirements best of increased space – both living space and separate cabins for privacy-seeking teenagers, additional crew or visiting family – as well as stable and predictable handling.

Photo: Nicholas Claris

Undoubtedly one of the biggest success stories has been the Lagoon 450, which, together with boats like the Fountaine Pajot 44, helped drive up the popularity of catamaran cruising by making it affordable and accessible. They have sold in huge numbers – over 1,000 Lagoon 450s have been built since its launch in 2010.

The VPLP-designed 450 was originally launched with a flybridge with a near central helming position and upper level lounging areas (450F). The later ‘sport top’ option (450S) offered a starboard helm station and lower boom (and hence lower centre of gravity for reduced pitching). The 450S also gained a hull chine to create additional volume above the waterline. The Lagoon features forward lounging and aft cockpit areas for additional outdoor living space.

Besides being a big hit among charter operators, Lagoons have proven themselves over thousands of bluewater miles – there were seven Lagoon 450s in last year’s ARC alone. In what remains a competitive sector of the market, Lagoon has recently launched a new 46, with a larger self-tacking jib and mast moved aft, and more lounging areas.

Photo: Gilles Martin-Raget

Fountaine Pajot Helia 44

The FP Helia 44 is lighter, lower volume, and has a lower freeboard than the Lagoon, weighing in at 10.8 tonnes unloaded (compared to 15 for the 450). The helm station is on a mezzanine level two steps up from the bridgedeck, with a bench seat behind. A later ‘Evolution’ version was designed for liveaboard cruisers, featuring beefed up dinghy davits and an improved saloon space.

Available in three or four cabin layouts, the Helia 44 was also popular with charter owners as well as families. The new 45 promises additional volume, and an optional hydraulically lowered ‘beach club’ swim platform.

Photo: Arnaud De Buyzer / graphikup.com

The French RM 1370 might be less well known than the big brand names, but offers something a little bit different for anyone who wants a relatively voluminous cruising yacht. Designed by Marc Lombard, and beautifully built from plywood/epoxy, the RM is stiff and responsive, and sails superbly.

The RM yachts have a more individual look – in part down to the painted finish, which encourages many owners to personalise their yachts, but also thanks to their distinctive lines with reverse sheer and dreadnought bow. The cockpit is well laid out with the primary winches inboard for a secure trimming position. The interior is light, airy and modern, although the open transom won’t appeal to everyone.

For those wanting a monohull, the Hanse 575 hits a similar sweet spot to the popular multis, maximising accommodation for a realistic price, yet with responsive performance.

The Hanse offers a vast amount of living space thanks to the ‘loft design’ concept of having all the living areas on a single level, which gives a real feeling of spaciousness with no raised saloon or steps to accommodation. The trade-off for such lofty head height is a substantial freeboard – it towers above the pontoon, while, below, a stepladder is provided to reach some hatches.

Galley options include drawer fridge-freezers, microwave and coffee machine, and the full size nav station can double up as an office or study space.

But while the Hanse 575 is a seriously large boat, its popularity is also down to the fact that it is genuinely able to be handled by a couple. It was innovative in its deck layout: with a self-tacking jib and mainsheet winches immediately to hand next to the helm, one person could both steer and trim.

Direct steering gives a feeling of control and some tangible sailing fun, while the waterline length makes for rapid passage times. In 2016 the German yard launched the newer Hanse 588 model, having already sold 175 of the 575s in just four years.

Photo: Bertel Kolthof

Jeanneau 54

Jeanneau leads the way among production builders for versatile all-rounder yachts that balance sail performance and handling, ergonomics, liveaboard functionality and good looks. The Jeanneau 54 , part of the range designed by Philippe Briand with interior by Andrew Winch, melds the best of the larger and smaller models and is available in a vast array of layout options from two cabins/two heads right up to five cabins and three heads.

We’ve tested the Jeanneau 54 in a gale and very light winds, and it acquitted itself handsomely in both extremes. The primary and mainsheet winches are to hand next to the wheel, and the cockpit is spacious, protected and child-friendly. An electric folding swim and sun deck makes for quick fun in the water.

Nautitech Open 46

This was the first Nautitech catamaran to be built under the ownership of Bavaria, designed with an open-plan bridgedeck and cockpit for free-flowing living space. But with good pace for eating up bluewater miles, and aft twin helms rather than a flybridge, the Nautitech Open 46 also appeals to monohull sailors who prefer a more direct sailing experience.

Made by Robertson and Caine, who produce catamarans under a dual identity as both Leopard and the Sunsail/Moorings charter cats, the Leopard 45 is set to be another big seller. Reflecting its charter DNA, the Leopard 45 is voluminous, with stepped hulls for reduced waterline, and a separate forward cockpit.

Built in South Africa, they are robustly tested off the Cape and constructed ruggedly enough to handle heavy weather sailing as well as the demands of chartering.

Photo: Olivier Blanchet

If space is king then three hulls might be even better than two. The Neel 51 is rare as a cruising trimaran with enough space for proper liveaboard sailing. The galley and saloon are in the large central hull, together with an owner’s cabin on one level for a unique sensation of living above the water. Guest or family cabins lie in the outer hulls for privacy and there is a cavernous full height engine room under the cabin sole.

Performance is notably higher than an equivalent cruising cat, particularly in light winds, with a single rudder giving a truly direct feel in the helm, although manoeuvring a 50ft trimaran may daunt many sailors.

Beneteau Oceanis 46.1

A brilliant new model from Beneteau, this Finot Conq design has a modern stepped hull, which offers exhilarating and confidence-inspiring handling in big breezes, and slippery performance in lighter winds.

The Beneteau Oceanis 46.1 was the standout performer at this year’s European Yacht of the Year awards, and, in replacing the popular Oceanis 45, looks set to be another bestseller. Interior space is well used with a double island berth in the forepeak. An additional inboard unit creates a secure galley area, but tank capacity is moderate for long periods aboard.

Beneteau Oceanis 473

A popular model that offers beam and height in a functional layout, although, as with many boats of this age (she was launched in 2002), the mainsheet is not within reach of the helmsman.

Jeanneau Sun Odyssey 49

The Philippe Briand-designed Sun Odyssey range has a solid reputation as family production cruisers. Like the 473, the Sun Odyssey 49 was popular for charter so there are plenty of four-cabin models on the market.

Nautitech 441

The hull design dates back to 1995, but was relaunched in 2012. Though the saloon interior has dated, the 441 has solid practical features, such as a rainwater run-off collection gutter around the coachroof.

Atlantic 42

Chris White-designed cats feature a pilothouse and forward waist-high working cockpit with helm position, as well as an inside wheel at the nav station. The Atlantic 42 offers limited accommodation by modern cat standards but a very different sailing experience.

Best bluewater sailing yachts for expeditions

Bestevaer 56.

All of the yachts in our ‘expedition’ category are aluminium-hulled designs suitable for high latitude sailing, and all are exceptional yachts. But the Bestevaer 56 is a spectacular amount of boat to take on a true adventure. Each Bestevaer is a near-custom build with plenty of bespoke options for owners to customise the layout and where they fall on the scale of rugged off-grid adventurer to 4×4-style luxury fit out.

The Bestevaer range began when renowned naval architect Gerard Dijkstra chose to design his own personal yacht for liveaboard adventure cruising, a 53-footer. The concept drew plenty of interest from bluewater sailors wanting to make longer expeditions and Bestevaers are now available in a range of sizes, with the 56-footer proving a popular mid-range length.

The well-known Bestevaer 56 Tranquilo  (pictured above) has a deep, secure cockpit, voluminous tanks (700lt water and over 1,100lt fuel) and a lifting keel plus water ballast, with classically styled teak clad decks and pilot house. Other owners have opted for functional bare aluminium hull and deck, some choose a doghouse and others a pilothouse.

Photo: Jean-Marie Liot

The Boreal 52 also offers Land Rover-esque practicality, with utilitarian bare aluminium hulls and a distinctive double-level doghouse/coachroof arrangement for added protection in all weathers. The cockpit is clean and uncluttered, thanks to the mainsheet position on top of the doghouse, although for visibility in close manoeuvring the helmsman will want to step up onto the aft deck.

Twin daggerboards, a lifting centreboard and long skeg on which she can settle make this a true go-anywhere expedition yacht. The metres of chain required for adventurous anchoring is stowed in a special locker by the mast to keep the weight central. Down below has been thought through with equally practical touches, including plenty of bracing points and lighting that switches on to red light first to protect your night vision.

Photo: Morris Adant / Garcia Yachts

Garcia Exploration 45

The Garcia Exploration 45 comes with real experience behind her – she was created in association with Jimmy Cornell, based on his many hundreds of thousands of miles of bluewater cruising, to go anywhere from high latitudes to the tropics.

Arguably less of a looker than the Bestevaer, the Garcia Exploration 45 features a rounded aluminium hull, centreboard with deep skeg and twin daggerboards. The considerable anchor chain weight has again been brought aft, this time via a special conduit to a watertight locker in front of the centreboard.

This is a yacht designed to be lived on for extended periods with ample storage, and panoramic portlights to give a near 360° view of whichever extraordinary landscape you are exploring. Safety features include a watertight companionway door to keep extreme weather out and through-hull fittings placed above the waterline. When former Vendée Globe skipper Pete Goss went cruising , this was the boat he chose to do it in.

Photo: svnaima.com

A truly well-proven expedition design, some 1,500 Ovnis have been built and many sailed to some of the most far-flung corners of the world. (Jimmy Cornell sailed his Aventura some 30,000 miles, including two Drake Passage crossings, one in 50 knots of wind).

Futuna Exploration 54

Another aluminium design with a swinging centreboard and a solid enclosed pilothouse with protected cockpit area. There’s a chunky bowsprit and substantial transom arch to house all manner of electronics and power generation.

Previous boats have been spec’d for North West Passage crossings with additional heating and engine power, although there’s a carbon rig option for those that want a touch of the black stuff. The tanks are capacious, with 1,000lt capability for both fresh water and fuel.

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The Most Stable Hull Design Of A Boat

Walking by a marina and looking at all the different kinds of boats have you ever wondered which of these will be the most stable while plying through the rough sea? which boat hull design is the most stable?

The most stable hull design is directly related to the hull of a boat. In most circumstances, multihulls and deep-V hulls are thought to be the most stable hull types. Deep hulls typically perform better in rough seas than multihulls.

Knowing what you’re intending to use the boat for can help you choose the most stable hull. But just to be clear, the catamaran or multi-hull boat has the most stable hull and is used in the most practical situations.

The flat-bottom boat, however, has the most stable boat hull structurally because of its wide platform and significant water displacement.

Let us get into more details to find out more!

One of the most crucial components of a floating watercraft is the boat’s hull. In actuality, it is the area that has direct contact with the water and aids in keeping the whole boat afloat.

It is completely submerged in water up to the waterline and covers the entirety of the boat’s lower shell. This is why boat owners are so interested in choosing the most stable boat hull design.

The boat’s hull ensures not just its stability but also its effectiveness, performance, and, in some situations, speed. Different boats have different hull designs. However, there are several broad categories into which specific designs can be divided. These include multihulls, vee bottoms, flat bottoms, and round bottoms.

The Different Types Of Hull Designs

Hull designs can be typically classified into the following based on different parameters like deadrise angles, the number of hulls, and so on.

The Flat Bottom Hulls

The flat bottom hull is thought to be the most stable boat hull design usually found in smaller vessels. Due to its flattened bottom, this type of design gives greater stability than the others. Small boats with flat bottom hulls, like small fishing boats, are utilized in shallow waters, typically in rivers or lagoons

These boats are typically used by hunters and anglers because of their practically box-shaped hulls. As a result of its form, they draft lesser which keeps the boat from hitting the ground. But compared to other boat designs, flat-hull boats have drawbacks. In choppy or deep waters , these boats are less stable. When they reach bigger waves, their flattened bottom makes them prone to flipping.

Multihulls are vessels with two or more vee hulls, which adds additional stability. Catamarans , trimarans, and other hybrid boats are the most prevalent multihulls. All things considered, multihulls are the most stable type of boat hulls since they not only offer stability but also a nice ride through open water. Multihulls also provide more room than their monohull counterparts.

The hull of a catamaran is the most stable and has the widest range of uses in many types of water. This is so that the catamaran can be built in a variety of ways to suit various types of water.

This means that although a pontoon boat , a catamaran sailboat, and a Power Cat are all catamarans, they have all been specifically created to serve a certain function.

Let’s first examine the benefits of a hull designed like a catamaran. In addition to being quite stable, catamaran hulls can be modified to accommodate a variety of nautical activities and styles.

A dual-hulled boat has fewer design restrictions than a hull with a Deep-V profile. Weight distribution, length, width, and hull depth of a boat can all be modified to suit the needs of the owner. Because of this, the Hull designs can be very varied. They could take the form of a catamaran sailboat or something as basic as a round tube, like on a pontoon boat.

Power cats travel at very high speeds while maintaining stability and mobility in choppy waters thanks to their hull design. Most catamaran-style hulls have significantly more usable space.

Since the weight distribution may be changed, it is practically possible to construct a house on a platform that is set upon the two hulls. In comparison to a V-bottom boat, you may expand the beam even in speedboats to optimize space with little performance loss.

You may be wondering what drawbacks the catamaran hull has given all of these benefits. To be honest, I don’t think there are many. The only drawback that comes to mind is that, due to this hull’s wider stance, it may be a little uncomfortable if trapped broadside in stronger waves.

Due to its stability, the boat may knock you about if you are not careful. The only other disadvantage is that transferring larger boats may be quite expensive when it comes to trailers and that moving boats with this sort of hull can be difficult at times.

V-Bottomed Hulls

The Deep-V and the Shallow-V are the two primary types of V-Bottom style hulls. They are similar in most respects. As you have probably already surmised, the key distinction is the height at which the hull emerges from the water and this is basically to the higher deadrise angles.

Both are secure, but their circumstances are distinct. For example, Deep-V hulls typically produce larger boats. Unlike shallow-V boats, which are typically smaller vessels.

Shallow-V hulls are less able to manage deeper, more unpredictable waters than Deep-V hulls. A Shallow-V will cut through a wave, but it will typically ride higher on the wave. This is because of the deep wedge shape of the hull, which allows it to slice through rougher water.

The Shallow-larger, V’s flatter bow is what causes this. The Shallow-V will give you a noticeably rougher ride in choppy water, even though both of these will cut through waves better than a flat bottom and some Catamarans.

This style of the hull has great advantages while the boat is moving, such as stability and the ability to cut through rough water, but stability is not the best when stopped.

Weight distribution needs to be the owner’s top priority on a V-style hull. In smaller boats, even moving from one side to the other can cause the boat to pitch and yaw. It can also affect how the boat handles if there is too much weight on one side.

Once more, the boat’s pitch and yaw have no negative effects when it is moving. This becomes a characteristic of the boat’s handling when it is going. One thing this enables is a smaller turning radius .

Round Bottom hulls

These hulls are essentially exceedingly smooth with no, or very few, sharp edges. These hulls are designed to have the least amount of drag and the most buoyancy possible. To keep the boat upright, these hulls typically need a weighted keel . This hull is more stable the lower the center of gravity . That is why you often see sailboats with a heavy fin on the bottom of the vessel.

What Are The Other Parameters Which Make A Boat Stable Other Than The Hull?

The following are some of the key aspects which determine the performance of a vessel,

Engine Mount And Optimum Trim Angle

In the case of outboard engines, the height of the engine mount is one of the key features in determining the performance of a vessel. If the engine is mounted too low the lower unit will cause additional drag and if the engine mount is too high there is the risk of propeller cavitation.

The boat’s engine will operate most effectively if it is trimmed, about parallel to its waterline when at rest, and not trimmed too up or down.

Weight Distribution

Proper weight distribution is the key to the vessel’s dynamics when underway. Ask your passengers to move if it is safe to do so that the weight is spread equally; it will make a difference.

Other than cargo, ballast can be added to a vessel to add stability. This is frequently done with ships. A ballast tank is a container that houses water within a boat, ship, submarine, or other floating structure. To balance the ship, water must enter and exit the ballast tank.

Propeller Selection

Selecting the right propeller is also a key aspect in making sure the power from the engines is effectively transferred by the propellers to deliver the required thrust force.

What you intend to use the boat for ultimately determines the hull style you should choose. Hopefully, the information in this post will make it easier for you to choose the right kind of boat. carefully consider the advantages and disadvantages of various boat kinds, your budget, and the types of water nearby. Only then will you be able to determine which option is best for you.

About the author

I worked as an officer in the deck department on various types of vessels, including oil and chemical tankers, LPG carriers, and even reefer and TSHD in the early years. Currently employed as Marine Surveyor carrying cargo, draft, bunker, and warranty survey.

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Hull shape and stability

Boats can be split into two categories: the ones that dig holes in the water and the ones that travel on top. Race boats, runabouts, fast cruisers, sport fisherman and military patrol craft are part of the planing fraternity. A few racing sailboats and wind surfers fall into the same cult, but when all is said and done, it takes considerable energy to coax a hull onto a plane and it’s not easy to get that from a sail plan. Water’s hold on the hull comes from the double team effort of skin drag and wave making, phenomena experienced by all craft as they accelerate. Hull speed is defined as the point where the very crest of the bow wave is at the stem of the vessel and the crest of the stern wave is at the transom – in essence, the vessel is neatly tucked into the trough of a wave of its own creation. To get on a plane requires enough energy to break free of the stern wave and climb onto the crest of the bow wave shackling the effect of hydrodynamic lift (hull speed = 1.34 x square root of the design waterline length (DWL). Planing is a speed length ratio of 2 or greater).

Displacement cruisers (power and sail), merchant ships and small, low-powered recreation vessels, along with kayaks and rowing shells, make up the second category, one that favors hull shapes that avoid the desire to plane and emphasize an ability to slip through the water with as little resistance as possible. The issue of resistance to forward motion is comprised of several factors and, at low speed, skin drag reigns supreme. In short, water next to the hull adheres to the skin and a thin layer gets dragged along for a ride. Narrow, pointy-ended, round bilge craft with as little surface area submerged as possible afford the least drag in a displacement mode. The smoother and fairer the underbody of the craft, the less water gets towed along, and for decades coatings manufacturers have been looking for the magic touchstone in paint technology – a formula that lessens skin drag and actually makes a boat more slippery in the water.

Once a vessel starts to approach its hull speed, resistance from wave making becomes the biggest obstacle to progress. With enough power, any shaped hull can be thrust over the “hump” and launched onto a plane. But the real art in high-speed yacht design is balancing a vessel’s proclivity to plane with its behavior once on top of the water. Wide, flat-bottomed boats leap onto the surface but then tend to porpoise and pound, even in calm conditions. Juggling the influence of gravity, buoyancy, dynamic lift, drag and thrust is the design challenge, and small changes in things like trim angle can make a big change in performance. As a rule of thumb, the trim angle that seems to give the best performance is around 2° to 4°.

With fuel prices soaring, designers and builders are taking a second look at the hull shape, boat speed and the cruising efficiency of the vessels being built and those already in play. It’s no surprise that motor boats are least efficient when they are trying to climb over their own bow wave to get on a plane. It maximizes wave making, negatively impacts fuel consumption and decreases range. The half plane hull form/power package is a vestige from an era of inexpensive fuel and is hard to justify at current energy prices. The new trend is toward boats that plane at fairly modest speeds and can be throttled back and still remain on top of the water. There’s a resurgence of interest in fuel efficient, low-powered displacement hull shapes.

Catamarans came to the U.S. with masts stepped and sailors as the target market. Meanwhile, the Australians were running gas turbine-powered, high-speed multihull ferries across Jackson Bay and designers quickly recognized the fuel efficiency and decent load carrying ability of smaller renditions of these power cats. Their high beam-to-length ratio hulls didn’t suffer as much from wave making drag, and builders were cognizant of the ill effect of excess weight. The result was a variety of fuel-efficient workboats and recreational craft that are popular on the market today.

Staying afloat is a major desirable yacht characteristic, and stability has a big role to play in the process.

The Greek scientist and inventor Archimedes was ahead of his time when he acknowledged that buoyancy and displacement were correlated factors associated with the shape and behavior of objects floating in water, and that the weight of the water displaced by a floating object was equal to its weight. Since then, everyone involved with boat design has been keenly aware of buoyancy and weight, and how they relate to each other. The first part of our stability discussion involves the shape of a vessel and how it contributes to staying up right. A wide, short, hard chine skiff has an abundance of athwartship form stability – you can stand near the rail and not fear capsizing. This is a plus, but if you tried to row the boat there was so much skin drag from the wide flat bottom it was like rowing the dock. A longer, leaner, round bilge skiff would be reluctant to plane with a small outboard and would send you for a swim if you stood near the rail but would row like a dream. From these simple design comparisons you get a hint of the dilemma faced by every naval architect dealing with the art of design compromise.

Let’s hypothetically deck over the small 9-foot skiff, make it watertight and discover another factor associated with form stability. We have recognized that, all things being equal, the wider a boat the more it resists heel. However, if it heels to a point where the center of gravity and the center of buoyancy line up vertically, we have the proverbial nickel standing on its edge – the vanishing point of positive stability. The stability curve of a wide boat initially looks good but the large area under the negative portion of the curve is disconcerting. The form stability associated with buoyancy derived from a wide beam now works to keep the vessel in the inverted position. To mitigate the effect of stability in the negative range, or in simple terms a boat’s desire to stay upside down, designers introduce shapes and structures that create a secondary righting moment.

This extra boost to stability is best seen in sailboats in the form of ballast keels and their heavy pendulum-like influence that resists the forces of wind and sea. Like any teeter-totter relationship, the effect of ballast has to do with both the weight involved as well as its distance from the fulcrum – in this case, the center of buoyancy. Designers calculate the vessel’s vertical center of gravity (CG), a point within the vessel around which its weight is evenly distributed. The lower the CG, the more stable the vessel becomes and the higher in degrees its limit of positive stability.

Adding a large cabin structure can also change the heeled center of buoyancy and, at extreme angles, may contribute to the vessel’s self-righting ability. However, the structure also raises the CG and often adds the issue of down flooding created by placing large vulnerable windows in contact with violent seas. Tradeoffs have to be carefully considered when designing oceangoing powerboats. The concept of scantings, or the overall strength of a vessel, comes into play at this point. For example, an expeditionary craft designed and built to range into high latitudes is likely to endure more sea-induced stress and strain than the average weekend cruiser. Therefore, its range of stability, structural integrity and ability to avoid down flooding should be greater. In lay terms, it makes sense that the former be stronger and more resistant to capsize than the latter.

Too much of a good thing?

Seakindliness is another important design consideration and, ironically, when it comes to stability there is a down side to too much of a good thing. A case in point is how excess beam creates a snap roll effect that can be more disconcerting than a slower pendulum-like swing through a greater degree range. The flat, wide bottoms of catamarans and some monohulls offer significant initial stability. Their powerful righting arm associated with the large distance between the at-rest CG and CB creates more acceleration when returning a vessel to its upright position than is found with narrower beam vessels. This jerky motion, especially when navigating beam seas, can be disconcerting.

Every vessel is an amalgam of ideas, some working in complement with each other, while others have a parasitic effect. Windage is one of the latter and as cabin accommodations grow, so does the stack-of-boxes look of the boat. This is not a subjective concern over aesthetics, it’s a safety issue associated with excess surface area and the influence of wind pressure on light displacement vessels with very little hull surface submerged. If the vessel is primarily a live-aboard accommodation, and the need for performance is little more than ambling from protected estuary to protected estuary in benign weather, the windage issue may be of less consequence.

Moderation has proven to be the naval architect’s friend and avoiding excess, whether it’s beam, cabin size, horse power or window size, makes sense. Good design is about harmony, and the naval architect’s role was best explained by poet John Masefield when he described a schooner as: “Built out of so much chaos brought to law.” n

By Ocean Navigator

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Most Stable Boat Hull Design – Instructions for Beginners

Written by J. Harvey / Fact checked by S. Numbers

As boaters, we may not say it out loud, but we have an innate instinct to get the most out of our vessels. As much as possible, we don’t want our watercraft to get the short end of the stick in terms of speed, storage, efficiency, and, finally, stability.

We want it to perfectly fit our preferences like a glove to a hand. As such, wanting to know the most stable boat hull design is entirely reasonable.

The short answer is you should go for most multi-hulled options. Check out a double hull boat or deep v hull boats.

Table of Contents

1. The Case for Catamarans

2. what about those venturesome v-hulls, 2. displacement, 3. semi-displacement, 4. flat bottom, 5. round bottom, features of the most stable hull, the most stable hull design.

Based on the answer above, there’s no single “most stable boat design”. There are two boat hull shapes vying for that top spot, and at best, they’re tied if we consider their unique advantages and disadvantages.

Plus, it’s not like the shape of boat is the sole factor we need to be looking at in terms of stability. For example, the keel and rudder design play just as much of a big role in generating lift that lends to that, too.

To get down pat on this subject, let’s take a closer look at the hull design for boats I mentioned above.

People will argue that a multi-hull is the most stable, and I don’t mind saying that oftentimes I agree with them. If you’ve ridden a catamaran before, won’t you say the same?

• These vessels have two parallel hulls (hence, the term multi- or double-hull) with a wider beam that allows them to cover a larger surface area in the water and effectively handle changes to center of gravity.

The hulls lead to a lower CG, which is an important factor in balancing anything including boats.

• On the other side of the coin is buoyancy, which this vessel packs plenty Catamarans have a great center of buoyancy because it is also concentrated between the two submerged hulls, the same as the vessel’s center of gravity.

As long as there’s harmony between these two elements (i.e. CG sits above CB), you can expect almost picture-perfect stability in any vessel due to the naturally higher tilt resistance in such a setup. And, yes, this is true even in instances when strong winds and waves batter the catamaran.

Got a slight fear of boating but can’t get enough of the sea life? That near-unsinkable vessel may be the best option for you.

Feel free to take it up a notch further with a trimaran while you’re at it! Or if you like fishing, a tri-hull may be a better partner.

Don’t get too carried away, though, as these vessels are not entirely invincible. For instance, once they go belly-up, they often have a hard time flipping over again like a turtle.

Obviously, the points I shared above barely scratch the surface of boat stability.

Think of a deep V hull sailboat or powerboat. Already, they beat those flat bottom boat types because they’re able to cut through the water and waves with ease.

Indeed, if we ask boat dealers and examiners about a speed boat hull design with this specific characteristic, they’re quick to point out that they’re the best performers in choppier conditions.

The hull’s shape allows it to act like a keel that boosts stability while maintaining high speeds. This is why they’re ubiquitous in any kind of offshore hull design built for racing, much like their double-hulled cousins.

However, like most kinds of boat hulls, they’re not perfect. 

In fact, they’re actually one of the least efficient hull designs, especially when it comes to sailing speed, and contribute to poor visibility.

Read more : F lat bottom vs v hull jon boat: which is better?

Other Notable Types of Boat Hulls

Planing hulls are more of an umbrella category that includes V hulls, round bottoms, and pontoons. As their name readily suggests, they give boats the ability to get up on plane.

That means they can raise the bow high enough to be able to reduce water resistance and move more smoothly and quicker on the water. Many consider these built-for-agility hulls the fastest boat hull design for this reason.

These hulls are designed to push or “displace” water as they move, hence their name. Consequently, V-hulls fall under this category as well.

Most displacement hulls other than V-hulls come to a close second in terms of stability due to their innate size advantage and, of course, their unique design.

More of a hybrid displacement/planing hull, it combines the best of both worlds and, thus, imparts ready versatility.

It pushes water as it moves, but it can also go up on plane and enjoy a palpable speed boost. It’s a mix of speed and stability, in short, which is pretty much a win-win for any hardcore boater.

If V hulls and their flat bottom counterparts happen to be fighting for the most efficient boat hull design trophy, the latter could very well win outright since they consume less fuel. They’re naturally more capable of getting up on plane and staying in it, after all, all thanks to the fact that they’re technically planing hulls as well.

A round bottom hull can sometimes also be called a displacement hull, but they’re not exactly the same thing. Round bottoms found in canoes and sailboats are more suited to calmer waters, where they’re more stable, much like flat-bottom vessels.

Once the going gets tough, though, they tend to quickly pale in comparison to the two designs I discussed above.

Whether you’re looking for the most stable small boat or something larger, you only need to look at what makes V-hulls and multi-hulls stand out:

• They’re able to keep center of gravity and center of buoyancy optimal most of the time, with good overall weight distribution.
• They can readily take on the challenge of tougher wind and water conditions.
• They tend to integrate keels and rudders.
• Last but not least, it should have close to the same capabilities as the FLIP research platform.

What is the most efficient hull design?

If we’re talking about fuel efficiency, look no further than planing hulls. Their unique capability explained above has no equal compared to other hull types.

What hull shape is best for rough water?

The most ideal boat hull for rough water will always be either the V-hull or multi-hull. This is because these two are designed with heightening stability in mind and keeping the center of gravity and center of buoyancy optimal, regardless of the water and weather conditions.

Deep V-hulls may be the better option if you’re dealing with larger-than-normal waves, though.

To summarize, the most stable boat hull design is a coin toss between catamarans or other multi-hulls and deep V-hulls. After all, each one is able to stand out in its own way when we consider the fundamental factors that influence boat stability while out in the waterways.

These strengths all the more shine when they’re put next to other types of hulls; although, there are definitely runner-ups that aren’t exactly pushovers in the said department.

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Yachts and Superyachts, understandably, have a bad name when it comes to being environmentally friendly. But there are many options for enjoying these beasts of the ocean in a greener and more responsible way. Among the growing number of initiatives for lower-impact yachting is hybrid propulsion (the use of a combination of energy sources, such as diesel and battery power), more efficient hulls and choosing sail over motor.  Looking to the future, sustainability is becoming more and more important to those building and buying yachts, and this is reflected in the types of superyachts hitting the water. We take a closer look at the trailblazing eco-friendly yachts of the past 20 years, as well as the most exciting projects on the horizon.

SY Ethereal was the first superyacht with a true hybrid system on board / @Franco Pace

Launched by Dutch yard Royal Huisman in 2008, 190-ft ketch  Ethereal  was a trendsetter that paved the way for future ‘eco’ superyachts. The first superyacht with a true hybrid system on board, she was the dream of owners Bill and Shannon Joy who set out to challenge the norm of yacht building. Together with the shipyard, naval architect Ron Holland and exterior/interior designer Pieter Beeldsnijder, the Joys worked to create a yacht that would have the lowest possible impact on the planet. The result was a technologically advanced design that delivered energy efficiency in a sleek and high-performance package.

Thanks to a twin hybrid electro-mechanical propulsion system, which recharges her battery bank,  Ethereal  can operate for long periods of time under the quiet stored power of her own resources. Every detail of  Ethereal  was examined for ways to reduce energy demands—from lighting to air-conditioning—and she delivers an impressively efficient performance when underway. Her open interior, with a warm and welcoming feel, invites guests in— fittingly, as her entire layout was designed to maximize spaces and allow those on board to spend quality time together. Since her launch  Ethereal  has traveled the world, treading lightly wherever she goes.

royalhuisman.com

Black Pearl

The Black Pearl is capable of crossing the Atlantic without using any fuel / ©Tom Van Oossanen

At 350 ft,  Black Pearl  is the largest sailing superyacht in the world. She is certainly not inconspicuous but, despite her size, she is extremely eco-friendly. Delivered by Oceanco in 2016,  Black Pearl  is said to have the capability to cross the Atlantic using zero fossil fuel. Plans for undertaking this particular feat were underway when Covid-19 hit and delayed this attempt, but her captain, Chris Gartner, says that the owner and the  Black Pearl  team are committed to going ahead with that as soon as possible.

Black Pearl  incorporates features that ensure a lower environmental impact: propellers that can generate electricity when operating in ‘regeneration mode’ and, one of her most impressive features, her sails also double as a source of power. Measuring an incredible 31,215 sq ft,  Black Pearl’s  sails have built-in solar panels that create electricity that is then stored so it can be put to use elsewhere as needed. The DynaRig sails also allow the yacht to be easily operated under sail power as much as possible, greatly reducing the need for fuel.

oceancoyacht.com

Savannah was built by Dutch shipyard Feadship/ ©Feadship

Savannah , built by Dutch shipyard Feadship and hailed as the first hybrid motoryacht at her 2015 launch, is also the world’s largest metallic-painted floating object. This beautiful yacht has collected many awards, including the coveted Motor Yacht of the Year at the 2016World Superyacht Awards. Her ‘Breathe’ propulsion system delivers 30% fuel-saving economies, and she can cruise under diesel electric or simply electric battery power.

Savannah  set a precedent for other eco-friendly projects from Feadship, including the ultra-sustainable 308-ft  Viva  (Hull 817), which has made waves since her February 2021 launch. As attractive as she is innovative, her elegant, four-deck floating superstructure pairs world-class technology with timeless style; features include the ‘Nemo Lounge,’ where you can peek below the waves and marvel at passing sea life from the comfort of the yacht. The main deck has a 30-ft pool and two main salons that are divided by a video wall, and the owner’s stateroom boasts a skylight above the master bed for admiring the starscape above.

feadship.nl

Ice was one of the most technologically advanced yachts when it was launched in 2005 / @Klaus Jordan

Delivered in 2005 by German powerhouse Lürssen, at the time of her launch  ICE  (then named  AIR ) was one of the most technologically advanced yachts. The brief from the owner called for the yacht to be as environmentally friendly as possible, and she delivered that in spades. She was the first yacht in the world to be fitted with Azipods, a diesel-electric propulsion system that offers many benefits including improved fuel efficiency, the option to use multiple energy sources and improved comfort, thanks to lower noise and vibration levels.

Pump jets combined with the Azipods can be controlled by the yacht’s dynamic positioning system, allowing  ICE  to anchor ‘electronically’ in shallow waters, removing the need to drop anchor and potentially damage sensitive underwater environments. Her original owner had a very clear vision of what he wanted from his yacht — it needed to be big on space with sleek lines and well-balanced proportions yet with large volumes. Design legend Tim Heywood took this brief and ran with it, resulting in a graceful yacht characterized by sweeping contours and grand windows that drench the yacht in natural light.

lurssen.com

Artefact sets sail on her maiden voyage in 2020 / ©Francisco Martinez

The impressive 262-ft  Artefact , designed by Gregory C Marshall and delivered by Nobiskrug Yachts in 2020, is a head turner for more than one reason. Her striking exterior, which makes clever use of glass, is the most obvious, but her eco-credentials are her biggest asset. Built for visionary owners who specifically requested a yacht with a reduced environmental impact,  Artefact’s  many solutions for this brief include 248 ft of solar panels and a battery storage system that allows the yacht to operate without its main engines for periods of time.

Added to that is her dynamic positioning system and Azipod propulsion system – these allow  Artefact  to easily hold her position without needing to use her anchors and reduce her emissions while also upping her efficiency. In fact, she was one of the very first superyachts built to meet IMO Tier III emissions regulations. For those wishing to enjoy pristine surroundings without interruption,  Artefact  is also capable of silent operations. This ‘greener’ superyacht certainly doesn’t compromise on comfort and on her launch was the biggest volume yacht of her size in the world. She perfectly pairs form and function… in other words, this award-winning yacht is the full package.

nobiskrug.com

Juliet in the Norwegian fjords / ©Jonathan Allan

Originally launched in 1993, the 143-ft  Juliet  was reborn this summer after an extensive “go greener” refit at her original build yard, Royal Huisman. Newly transformed into a hybrid yacht,  Juliet  now bears technologies that will future-proof her for years to come. Her new hybrid system offers numerous benefits including silent operations, zero emissions, peak-shaving, shaft-generated power under sail and reduced fuel consumption. A brand-new gearbox, aligned with a sophisticated new electric motor/generator, will allow electric propulsion that is powered by either the main engine or alternatively the battery pack or generator. Meanwhile, a battery bank will allow  Juliet  to operate in ‘silent ship’ mode.

When stretching her legs under sail, the rotation of the propeller will generate electric power. When at anchor she can run on battery power so guests can relax without any noise pollution that might detract from their surroundings. With nearly a quarter a million miles logged since her launch,  Juliet  is now ready for the next quarter million miles to come.

Swan 88 Hybrid

Finnish builders Nautor’s Swan has joined the trend for hybrid yachts with its Swan 88 Hybrid model, which has a hybrid-electric propulsion system that marks a new era for the yard’s Maxi range. This new direction for the yard includes making greater use of eco-friendly materials in its designs. The  Swan 88 Hybrid  is the yard’s first attempt at a hybrid yacht, and the design has already borne fruit – in May 2021 it announced it had already sold the first hull.

Described by Nautor’s Swan as a “dual soul of racer and cruiser,” the  Swan 88 Hybrid  pairs comfort and performance and is an excellent ‘starter size’ superyacht that is spacious but manageable. The minimalist exterior design by German Frers is complemented by “a comfortable, harmonious and magical” interior by Misa Poggi. An easy-handle sail plan makes use of the brand’s long experience in ocean racing, delivering “efficient, uncomplicated and easily managed sailing”. The layout and design has been tailored to maximize guest comfort on longer trips – this first model will be able to travel the world with a lighter footprint thanks to her eco credentials.

nautorswan.com

Sailing purists the world over treasure the sight of a J Class yacht. Original J Class yachts raced in the 1930s under the Universal Rule, in events including the  America’s Cup.  There have been several replica J Class yachts built in modern times as well. Elegant  Rainbow  is one such replica and was built in Holland in 2012 by Holland Jachtbouw. Her design was based on the original  Rainbow , which won the America’s Cup in 1934, and it paired the best of classic yacht design with all the necessary modern technologies and comforts.

Like many other eco-friendly sailing yachts,  Rainbow  is powered by a hybrid propulsion system – in fact, she was the first J Class to boast this capability. This means a welcome 30% reduction in fuel usage, as well as the option of silent operations when underway. As beautiful on the inside as she is on the outside,  Rainbow ’s luxurious interior makes use of elegant mahogany woods, sophisticated styling and plenty of space to enjoy. If owning a J Class is your dream,  Rainbow  is currently for sale for a cool $8,250,000.

y.co/yacht/rainbow

The 142-ft Canova takes the title of being Baltic Yachts’s very first zero emissions yacht over 100 ft / ©Baltic Yachts

Built by Finnish firm Baltic Yachts in 2019, the 142-ft  Canova  takes the title of being the yard’s very first zero emissions yacht over 100 ft. This was a mandate of her owner, who wanted his long-distance cruising yacht to be as green as possible.  Canova  more than met the mark and carries an impressive line-up of modern technologies including a power regeneration system that, in theory, allows a never-ending supply for the yacht to make use of. An added first is that  Canova  is the first superyacht to be fitted with a transverse Dynamic Stability System foil, which delivers unprecedented comfort levels for a sailing yacht by reducing heel and motion.

Guests can relax on board  Canova  and enjoy nine hours of ‘silent’ mode made possible by an electric propulsion system that also charges the on-board battery bank. An easy-to-handle, yet powerful, sail plan ensures hoisting the sails is a breeze, meaning  Canova  can make the most of her sailing prowess (again cutting down on engine use). Large spaces and good indoor/outdoor flow make her a home away from home, with communal spaces including the large, sheltered cockpit with drop down glass sides.  Canova  was built to take her owner and guests around the world and will be venturing to a wide variety of destinations over the coming years.

balticyachts.fi

Sw108 Hybrid

The SW108 Hybrid will allow for efficient consumption of fossil fuels and reduce harmful emissions

First revealed in 2021, the  SW108 Hybrid  from South African shipyard Southern Wind Shipyard (SWS) is an exciting diesel-electric concept that has been designed with the planet in mind. It is the result of an impressive collaboration between SWS, Nauta Design and Farr Yacht Design. Featuring the ‘SWS Diesel-Electric Hybrid System,’ the  SW108 Hybrid  will allow for efficient consumption of fossil fuels and reduce harmful emissions.

All this is presented in a sleek, elegant and reliable package typical of SWS. Key features include a plus-sized beach club and a garage with room for a 16 ft tender. Sure to appeal to sailors looking for a reliable and comfortable “greener” sailing yacht, the design is what the yard describes as “a more environmentally friendly approach to performance yacht sailing.” The shipyard takes its responsibilities to deliver more eco-friendly yachts very seriously and the  SW108 Hybrid  will likely set the tone for future designs from SWS.

sws-yachts.com

To the Future…

REV Ocean will be kitted out with the latest sampling, observation, mapping and communication equipment / ©REV Ocean

Due to be completed in 2024, 600-ft  REV   Ocean  will be the world’s largest research vessel. With construction well underway in Norway,  REV   Ocean  is a state-of-the-art yacht that has been designed to ensure ‘one healthy ocean.’ As a luxury floating laboratory, her impressive facilities will allow her to undertake cutting-edge ocean science. She has an abundance of sustainable features, and her assets will include everything from a deep-diving submarine to a lecture theater for discussing discoveries.

“ REV   Ocean’s  hull and propeller were designed for less resistance and more efficiency moving through the water, saving up to 15% on fuel consumption,” explains Lawrence Hislop of  REV   Ocean . “Additionally, lithium-ion battery packs, LED lighting, a heat recovery system, an onboard incinerator and DNV SILENT-R rating all contribute to the philosophy of making  REV Ocean  one of the world’s most sustainable research and expedition vessels.” Want to experience  REV Ocean  for yourself? She will be offering special, once-in-a-lifetime charters that allow guests to play their own part in  REV   Ocean’s  important work.

revocean.org

Arksen 85 offers luxurious comfort and large onboard spaces / ©Arksen Yachts

Last year work began on the  Arksen 85  — dubbed  Project Ocean  — the first self-proclaimed “ultimate marine exploration vessel” to be built by Arksen Yachts. Created to travel the world, with a stable, hardy design, the  Arksen 85  is intended to explore with low environmental impact. She’s built in an eco-friendly way, with her hull and superstructure made from low-carbon, recycled aluminum. A range of up to 7,000 nm will give her plenty of scope for adventures, and her eco credentials include a solar array option for zero-carbon electrical power and a hybrid propulsion system.

Buying an Arksen yacht offers several bolt-ons such as membership in the Arksen Explorers’ Club, which helps owners make the most of their vessels, and an invitation to join the Arksen Foundation, where owners are invited to pledge 10% of their vessels’ sea time to ocean-exploration projects. The  Arksen 85  offers luxurious comfort and large onboard spaces. This first build will include a full beam master suite, media room and children’s cabin. She is due to launch in 2022, and a large portion of her time at sea has already been committed to the Arksen Foundation.

Project AQUA

The stunning infinity pool on Project AQUA / ©Sinot Yacht Architecture & Design

Project AQUA  made headlines around the world last year when rumors started that she was being built for Bill Gates. This speculation was later dispelled but, in the process, the world got a good look at the 367-ft vessel and so too a glimpse of what the future of yacht design might look like. The work of Lateral Naval Architects in collaboration with Sinot Yacht Design, hydrogen-powered  Project AQUA  represents how yachting might one day achieve zero carbon usage.

“For  Project AQUA  we set ourselves an objective of using near-future technology,” explains Simon Brealey, principal mechanical engineer at Lateral. “Liquid hydrogen has the potential to be created from renewable sources via electrolysis and as such can be considered a zero carbon fuel with the only local emissions being water.  Project AQUA  demonstrates [that] the onboard technology to enable a zero carbon project is ready, and we hope that it acts to inspire superyacht owners, shipyards, the hydrogen infrastructure industry and the wider maritime industry.”

The Sinot team used “an integrated and highly poetic design approach” when creating her: Cascading exterior decks are paired with a minimalist Japanese beach-style interior that provides living spaces in perfect balance with the water on which the vessel sits.

lateral.engineering ,  sinot.com

The 312-ft hybrid yacht Bliss is the most recent Feadship vessel to hit the water / ©Feadship

Dutch yard Feadship now has a good number of eco yachts to its name, and 312-ft hybrid yacht  Bliss  is the most recent to have hit the water. Launched in May 2021,  Bliss  benefits from the very latest advances in technology with an all-new hybrid propulsion system. De Voogt Naval Architects were heavily involved in the design and engineering of the hybrid system, which will allow the yacht to sail in diesel-electric mode. In a win-win for comfort and for the world, “this package helps to protect the environment and provides premium comfort for all who step aboard,” says Feadship.  Bliss  also has Polar Code compliance – what better way to connect with the importance of protecting the health of our planet than by coming face to face with the icy majesty of the Polar regions?

Built for a very hands-on owner,  Bliss  features an exterior design by Jan Schaffers of Studio de Voogt and interior design by Remi Tessier. This team has created an elegant style that they describe as “natural and welcoming, inside and out.” Highlights include nine cabins, a gym and wellness space, a pool and a convertible helideck. Designed for family fun and to see the world this magnificent custom yacht is a timeless triumph.

Eco Explorer

Eco Explorer concept is described as “a genuinely eco-friendly superyacht” / ©Feadship

A collaboration between Dutch yard Feadship and French design studio Merveille Yachting, the  Eco Explorer  concept is described by Feadship as “a genuinely eco-friendly superyacht.” The yacht combines all the best elements of motor and sail yachts in one efficient package. She features a mast system that has fully automated wings twice as powerful as a standard sailing yacht rig, while the use of sail power reduces fuel use as well.

Energy is also harnessed from a trio of onboard solutions including wind turbines, solar panels and underwater turbines. These, together with other reduction elements, add up to the use of an estimated 50-70% less fossil fuel, and more than three times the range of an equivalent boat. The 55-ft beam ensures plenty of space on board, with an inviting interior and vast beach club that includes a 49-ft swimming pool. The perfect yacht for seeing the world guilt-free, “the  Eco Explorer  is on the forefront of cutting-edge, environmentally friendly technology,” says Feadship.

feadship.nl ,  merveille-yachting.com

Vento was designed by Carlo Nuvolari and Dan Lenard to be a “manifesto for environmental protection” / ©Nuvolari-Lenard

A mighty 328-ft sailing yacht concept,  Vento  is the brainchild of Nuvolari-Lenard. First revealed in June 2021 at the Venice Boat Show, this behemoth was created by design duo Carlo Nuvolari and Dan Lenard to be a “manifesto for environmental protection” and a visual appeal to superyacht designers to create truly green yachts. This radical concept will use the wind as its main source of propulsion and its slipstream hull will ensure it moves efficiently through the water. Its Wing Sail sail plan is more efficient than traditional rigs, allowing for better performance. A diesel-electric system with variable speed generators and variable pitch propellors will allow operations to be adjusted to achieve maximum efficiency.

Nuvolari and Lenard both believe that it is not enough to design a yacht that is “greener,” and instead our entire mentalities and attitudes towards yacht design needs to shift. “ Vento  speaks to a market sensitive to environmental issues, worried about the future of the marine ecosystem, which is ready to do its part,” they say.  Vento  is their testimony and, they believe, proof that a truly green yacht needn’t mean compromising on innovative designs and luxurious living.

nuvolari-lenard.com  

Project Crystal

Project Crystal is named for the distinctive crystalline lattice that forms a striking part of the exterior profile / ©Nick Stark Design

The size of the 308-ft  Project Crystal  is an eco yacht option for buyers who can’t let go of the idea of a very large yacht. She, like the rest on this list, has been designed in a way that will allow efficient operations and energy savings. “As with all our designs, the impact of a vessel on its context is crucial — environmental considerations extend from the controllable pitch propellers which maximize efficiency, through the hydrodynamic optimizations of the hull, hybrid power systems and glazing arrangements that minimize solar gain,” says Nick Stark, naval architect at Nick Stark Design.

Project Crystal  is named for the distinctive crystalline lattice that forms a striking part of the exterior profile. Designed to be a sanctuary,  Project Crystal  is a safe and relaxing space that is both beautiful on board and from afar. “We wanted to create an aesthetic that is celebratory,” says Stark. “The lines flow up and across, both lifting our gaze and also guiding it to what is around us: the people, the community and the environment”. The design is able to achieve swift global navigation and she has been crafted with a relentless focus on hydrodynamic fundamentals – the sleek unadorned underwater lines tick the boxes for both fuel efficiency and superb seakeeping. Not to mention she looks pretty exceptional too.

nickstark.design

Sunreef 80 Eco

The eco-responsible luxury craft contains the latest green technologies in the industry / ©Sunreef

The  Sunreef 80 Eco  catamaran design is described by Sunreef Yachts as “an eco-responsible luxury craft combining electric propulsion, superyacht living spaces, reliable sailing performance and the latest green technologies in the industry.” The  Sunreef 80 Eco  is the largest in the yard’s Eco range, which boasts a large number of appealing ‘green’ features. These include state-of-the-art batteries, sustainable interiors, wind generators and smart water management. In fact, the entire Sunreef brand has undergone a central shift and rebrand towards producing “eco luxury” catamarans.

Sunreef Yachts have worked hard on developing their own proprietary solar panel system, which has been integrated into the  Sunreef 80 Eco  design, allowing for 1,765 sq ft of ultra-light solar panels installed around the vessel. Pairing comfort and green technology, she has been designed for long range offshore cruising in total silence and in harmony with her surroundings. The entire design can be customized to suit her owners, with plenty of light-filled spaces in close proximity to the ocean. The first Sunreef 80 Eco is currently in build and due to make her debut in 2021.

sunreef-yachts-eco.com

The sailing yacht with the lowest possible environmental footprint / ©TDoS

This year saw Tillberg Design of Sweden (TDoS) release its interpretation of an eco superyacht, the 265-ft  Aegir 2.0 . The design house describes it as “the sailing yacht with the lowest possible environmental footprint.” A big claim indeed. The design has a wind-electric propulsion system that recharges her batteries as she sails. This means her range is theoretically infinite – the world will be her oyster. A Dynarig sail plan will ensure excellent performance, while the trimaran hull delivers excellent seakeeping.

Her eco credentials do not mean a sacrifice on comfort as  Aegir 2.0  has plenty of luxury features including a swimming pool, beach club space and spacious rooms. A minimalist Scandinavian style interior pairs a subtle color palette with natural materials, complemented by large windows that fill all spaces with light.

tillbergdesign.com

Lürssen’s fuel cell yacht

There is little public information available about an exciting new project from German yard Lürssen Yachts, but it certainly warrants a place in this list for the feat of being the yard’s first yacht with fuel cell technology. Now in build, the yacht has been commissioned by a forward thinking and technology driven owner. This project is huge news as it represents a big step towards an emission free Lürssen superyacht. Flanking the traditional generators, the fuel cell will offer many benefits including the ability to anchor for 15 days or cruise 1,000 miles at slow speed with no emissions.

Complementing this new build project, the yard has set up an Innovation Laboratory that will “simulate and test the integration and operation of a Marine Hybrid Fuel Cell System on board a yacht powered by methanol.” Lürssen is certainly looking to the future and has ambitious goals to lead the field in the construction of emission free yachts.

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Three ways to enhance superyacht stability

Feeling the motion of the ocean is not to everyone’s taste. Thankfully, there are many innovative solutions to help ensure yacht stability. These three new superyacht stabilisation products each use a completely different method to make a yacht more stable: one is the most traditional, stabilising the yacht itself; another looks to stabilise surfaces within a yacht, so even a game of billiards will go off without a hitch; and the last product takes a completely unorthodox approach: instead of just making the yacht stable, it works on your body.

Three new products for yacht stability

1) yacht stabilisation made simple with antiroll.

The buzzword in superyacht stabilization is “zero-speed” – the art of stopping roll in a yacht when stationary, like in an anchorage. After all, who wants to wear their gazpacho or, worse, suffer the affliction of mal de mer when you should be enjoying the starlit view of a bay?

While stabilisation has come a long way, the traditional slab-fin style has disadvantages – not least that the fins’ pivot point compromises efficiency while under way and at zero speed. These big appendages are also hugely detrimental for sailing yachts and pretty much useless for fast, planing yachts. Now, however, a new kid is on the block. The AntiRoll system from Dynamic Marine Systems draws its inspiration from nature. Dynamic Marine System realised that a whale-fin profile – long, curved and with a short cord length – could prove effective in underway and at-rest conditions, with around-axis rolling of the fin providing stabilisation underway, and up-down flapping providing far more effective leverage for stabilisation while at anchor.

AntiRoll comprises a long, curved fin that promises two to three times greater efficiency in zero-speed mode, and 75 per cent less drag while under way – with the added advantage that the whole fin can fold flush into a shallow recess in the hull, which could prove very attractive to sailing yacht and planing yachts alike. It’s a very clever idea – the system won a Maritime Innovation Award – and Dynamic Marine Systems has already spoken with several leading superyacht yards. In fact, the system will be seen in action in 2015 for the first time on two yachts: a 37 metre in build at Wim Van der Valk in The Netherlands, and the 50-metre Feadship Endless Summer, where the system is being retrofitted.

2) Play billiards on board your superyacht with a Stable system

The story of Norwegian engineer Svend Heier’s Stable system is worth telling. He was asked, 15 years ago, to design a pool table that would work on a cruise ship. He succeeded and several were sold. But the system has far more interesting applications and his new Stable system is an extension of the original principle. What Heier has created is more than just a gyro-stabilised platform, on which objects or liquids would still be subject to the lateral forces imparted by a yacht’s motion.

In his Stable system, accelerometers measure all the forces, and a computer controlled system delivers a counter force through the platform. The result is the surface stays level, balls don’t roll and liquid doesn’t move: it’s like dark magic when you see his demo rig in operation. Heier has already applied the system to onboard wine cellars and the like, and now proposes larger applications such as stabilised platforms for dining tables – or a pool table, perhaps.

3) Keep your body stable while sailing with anti-seasickness clothing

While other methods focus on stabilising a yacht, French clothing company Wear Is My Boat goes one step further and aims to stabilise and balance the body of the individual on board a yacht. Wear Is My Boat has, it claims, developed clothing that prevents seasickness. The key ingredient is a membrane printed with minerals.

“The membrane reflects infrared emissions from the body back to the body,” Wear Is My Boat explains. “It’s all about postural balance. We tested the material for 18 months and found an 80 per cent efficiency for seasickness and up to 95 per cent for car and motion sickness.”

Available in leisure and sport ranges from €55 for a vest top to €191 for a sailing-orientated softshell jacket, you will at least get a nice top. Or a jacket. And if it works as promised, it’s a more cost-effective option than retrofitting stabilisers.

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Understanding The Different Types Of Boat Hulls

Just as there are many different types of boats, there are just as many different types of boat hulls. They come in different sizes, different shapes, and every single one of them is a feat of design and engineering. Despite having so many different types of boat hulls to choose from, they’re only designed to do one of two things: displace water or plane on top of it.

Hulls that displace water are usually reserved for sailing boats, cargo ships, and cruise ships. They’re mainly used to pull heavier loads at slower speeds, and moving lower and slower in the water. Their hulls need to push a lot of water out of the way.

Planing hulls are built for speed. They’re most commonly found on smaller boats that don’t have tricky weight demands. These planing hulls are designed to rise out of the water as they reach higher speeds. Power boats and smaller watercraft are often equipped with planing hulls for these reasons.

Now that you know the two main styles of boat hulls available, let’s look at some of the more specific designs that you might see around the marina.

Types Of Boat Hulls

Vee bottom boat – The vee bottom tends to have a sharper entry into the water which provides for a smoother ride in rough water. They do, however, require more power to achieve the same speed. Many runabouts use the vee-bottom design. Some have a deep v for better performance.

Round bottom boat – These move easily through the water, especially at slow speeds. They do, however, tend to roll unless they are outfitted with a deep keel or stabilizers. Many trawlers , canoes and sailboats have round bottoms.

Multi-hull boat – Catamarans , trimarans, pontoon boats , and some houseboats use a  multi-hull design. The wide stance provides greater stability. Each of the hulls may carry any of the above bottom designs.

Here’s a closer look at the two most common kinds of multi-hull boats.

Catamarans: These boats feature two separate hulls with a deck or a stretched material suspended between them. Having two hulls gives them great stability, and a lot more living and storage space compared with other vessels. Having two hulls makes them very stable on the water, reducing seasickness for the passengers. They also come equipped with two engines which makes them very easy to pilot. However, having two hulls means they have a wide footprint and require a lot of room to maneuver. They are very popular for charter use.

Trimarans: A trimaran is like a catamaran but it has three hulls instead of two! A typical trimaran has a main hull in the middle that’s flanked by two side hulls that keep the whole thing stable. These boats can be quite wide, though some have foldable arms that can make them smaller and easy to transport out of water. Most trimarans are sailboats, and they only require small engines for propulsion thanks to their smaller profile.

What About Those Funny Shapes On The Hull?

These funny shapes are strakes and chines. The strakes are the strips that stretch across a boat’s hull from the front to the back. They’re almost always found on planing boats. The reason for this is that these little strips can help lift the front of a boat out of the water, reducing drag, and increasing speed. Most modern boats with a planing hull will have them

What’s interesting is that they are also beneficial to a boat’s stability and passenger comfort. These strakes can help to soften the impacts made when a boat charges through a choppy wave. They also help deflect any spray from the water back towards the sea rather than up into the cockpit. Finally, they also act like little flat bottom hulls in places to boost stability.

The bigger folds that you see in a boat’s hull are chines.

Chines are the folds you see where a boat’s hull meets the sidewall. Kind of. Under normal circumstances, they don’t do much. However, some boat designers have exaggerated the fold to further assist a boat from lifting out of the water. Some chines are quite large, and these help a boat remain stable when at rest. The chines act like flat-bottom hulls, which can help fishing boats stay stable when an angler walks from one side to another. They can also reduce rolling motions and improve maneuverability in some cases.

Which Boat Hull Design Is Best For You?

Different hull shapes will suit different boaters . Here’s a quick rundown of which hull types work best for different pursuits.

Speed Enthusiasts

For real speed enthusiasts, there are two ways you can go. Flat-bottom boats can work very well on flat, calm water such as a lake or river. Unfortunately, flat-bottoms aren’t so great at speed if the water is a little choppy. That’s when a deep v hull design will help. Out on the ocean, a deep v is the best way to go faster without getting thrown around by rough waves.

For fishing, the best choice of boat hull will largely depend on what conditions you’re fishing in…and what you’re fishing for. An angler casting for perch will have different needs to an Ahab harpooning a whale! Freshwater fishermen can get away with a shallow hull bass boat, while deep-v or catamaran vessels will work better on the coast. Even better, some anglers might prefer a pontoon fishing boat , or even an inflatable kayak instead.

Sports Junkies

Wakeboarders and waterski enthusiasts will need a special modified-V boat shape to get the best performance for their sport of choice. There are plenty of different modified shapes to choose from, specially crafted for different sports, different waters, and different equipment needs.

Casual Boaters

For casual boaters looking for leisurely family outings, then a v-shaped hull will offer the best level of versatility and practicality. You’ll be able to enjoy a gentle put around a lake or explore your nearest coastline without having to worry whether your boat is capable enough. Then again, if you’re only after a casual boat that you only use now and again, a sturdy inflatable boat might be a better option , and more cost-efficient too.

About Chris

Outdoors, I’m in my element, especially in the water. I know the importance of being geared up for anything. I do the deep digital dive, researching gear, boats and knowhow and love keeping my readership at the helm of their passions.

Categories : Boats

Lilly Margolis on December 16, 2019

We are doing the Multi-hull boat

Luka Nash on August 13, 2020

Thanks I am making a reciyled boat and it is powered by a Sphero Thanks so much again

Harri on November 5, 2022

Is that fixing fishing boat with trimaran effect its required speed

carter on November 9, 2022

can you do more about flat bottom and start doing wide bottom boats and what ones can carry heavy cargo please?

Mark DeChambeau on November 30, 2022

I want to design and perhaps build my own rowing/sailboat. I’ve always liked the whaleboat form as a good compromise between stability and maneuverability. Also, I’m simply enamoured of its form. Do you have any thoughts on how or even whether to proceed in this direction? I appreciate your time.

logan moore on September 8, 2023

Thanks i am going to make a flat boat and a multihull boat (alone): I am very excited to make the boat.

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• Cars, Jets & Yachts

Twenty for 20: Innovative Yachts of the 21st Century

There are many options for enjoying these beasts of the ocean in a more responsible way.

By Ellie Brade

Superyachts, understandably, have a bad name when it comes to being environmentally friendly. But there are many options for enjoying these beasts of the ocean in a greener and more responsible way. Among the growing number of initiatives for lower-impact yachting is hybrid propulsion (the use of a combination of energy sources, such as diesel and battery power), more efficient hulls and choosing sail over motor.  Looking to the future, sustainability is becoming more and more important to those building and buying yachts, and this is reflected in the types of superyachts hitting the water. Ellie Brade takes a closer look at the trailblazing eco-friendly yachts of the past 20 years, as well as the most exciting projects on the horizon.

SY Ethereal was the first superyacht with a true hybrid system on board / @Franco Pace

Launched by Dutch yard Royal Huisman in 2008, 190-ft ketch Ethereal was a trendsetter that paved the way for future ‘eco’ superyachts. The first superyacht with a true hybrid system on board, she was the dream of owners Bill and Shannon Joy who set out to challenge the norm of yacht building. Together with the shipyard, naval architect Ron Holland and exterior/interior designer Pieter Beeldsnijder, the Joys worked to create a yacht that would have the lowest possible impact on the planet. The result was a technologically advanced design that delivered energy efficiency in a sleek and high-performance package.

Thanks to a twin hybrid electro-mechanical propulsion system, which recharges her battery bank, Ethereal can operate for long periods of time under the quiet stored power of her own resources. Every detail of Ethereal was examined for ways to reduce energy demands—from lighting to air-conditioning—and she delivers an impressively efficient performance when underway. Her open interior, with a warm and welcoming feel, invites guests in— fittingly, as her entire layout was designed to maximize spaces and allow those on board to spend quality time together. Since her launch Ethereal has traveled the world, treading lightly wherever she goes.

royalhuisman.com

Black Pearl

The Black Pearl is capable of crossing the Atlantic without using any fuel / ©Tom Van Oossanen

At 350 ft, Black Pearl is the largest sailing superyacht in the world. She is certainly not inconspicuous but, despite her size, she is extremely eco-friendly. Delivered by Oceanco in 2016, Black Pearl is said to have the capability to cross the Atlantic using zero fossil fuel. Plans for undertaking this particular feat were underway when Covid-19 hit and delayed this attempt, but her captain, Chris Gartner, says that the owner and the Black Pearl team are committed to going ahead with that as soon as possible.

[See also: Step Inside the Black Pearl Yacht]

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Black Pearl incorporates features that ensure a lower environmental impact: propellers that can generate electricity when operating in ‘regeneration mode’ and, one of her most impressive features, her sails also double as a source of power. Measuring an incredible 31,215 sq ft, Black Pearl’s sails have built-in solar panels that create electricity that is then stored so it can be put to use elsewhere as needed. The DynaRig sails also allow the yacht to be easily operated under sail power as much as possible, greatly reducing the need for fuel.

oceancoyacht.com

Savannah was built by Dutch shipyard Feadship/ ©Feadship

Savannah , built by Dutch shipyard Feadship and hailed as the first hybrid motoryacht at her 2015 launch, is also the world’s largest metallic-painted floating object. This beautiful yacht has collected many awards, including the coveted Motor Yacht of the Year at the 2016World Superyacht Awards. Her ‘Breathe’ propulsion system delivers 30% fuel-saving economies, and she can cruise under diesel electric or simply electric battery power.

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Savannah set a precedent for other eco-friendly projects from Feadship, including the ultra-sustainable 308-ft Viva (Hull 817), which has made waves since her February 2021 launch. As attractive as she is innovative, her elegant, four-deck floating superstructure pairs world-class technology with timeless style; features include the ‘Nemo Lounge,’ where you can peek below the waves and marvel at passing sea life from the comfort of the yacht. The main deck has a 30-ft pool and two main salons that are divided by a video wall, and the owner’s stateroom boasts a skylight above the master bed for admiring the starscape above.

feadship.nl

Ice was one of the most technologically advanced yachts when it was launched in 2005 / @Klaus Jordan

Delivered in 2005 by German powerhouse Lürssen, at the time of her launch ICE (then named AIR ) was one of the most technologically advanced yachts. The brief from the owner called for the yacht to be as environmentally friendly as possible, and she delivered that in spades. She was the first yacht in the world to be fitted with Azipods, a diesel-electric propulsion system that offers many benefits including improved fuel efficiency, the option to use multiple energy sources and improved comfort, thanks to lower noise and vibration levels.

Pump jets combined with the Azipods can be controlled by the yacht’s dynamic positioning system, allowing ICE to anchor ‘electronically’ in shallow waters, removing the need to drop anchor and potentially damage sensitive underwater environments. Her original owner had a very clear vision of what he wanted from his yacht — it needed to be big on space with sleek lines and well-balanced proportions yet with large volumes. Design legend Tim Heywood took this brief and ran with it, resulting in a graceful yacht characterized by sweeping contours and grand windows that drench the yacht in natural light.

lurssen.com

Artefact sets sail on her maiden voyage in 2020 / ©Francisco Martinez

The impressive 262-ft Artefact , designed by Gregory C Marshall and delivered by Nobiskrug Yachts in 2020, is a head turner for more than one reason. Her striking exterior, which makes clever use of glass, is the most obvious, but her eco-credentials are her biggest asset. Built for visionary owners who specifically requested a yacht with a reduced environmental impact, Artefact’s many solutions for this brief include 248 ft of solar panels and a battery storage system that allows the yacht to operate without its main engines for periods of time.

[See also: Artefact: The Eco Superyacht that Changed the Game]

Added to that is her dynamic positioning system and Azipod propulsion system – these allow Artefact to easily hold her position without needing to use her anchors and reduce her emissions while also upping her efficiency. In fact, she was one of the very first superyachts built to meet IMO Tier III emissions regulations. For those wishing to enjoy pristine surroundings without interruption, Artefact is also capable of silent operations. This ‘greener’ superyacht certainly doesn’t compromise on comfort and on her launch was the biggest volume yacht of her size in the world. She perfectly pairs form and function… in other words, this award-winning yacht is the full package.

nobiskrug.com

Sailing Yachts

Juliet in the Norwegian fjords / ©Jonathan Allan

Originally launched in 1993, the 143-ft Juliet was reborn this summer after an extensive “go greener” refit at her original build yard, Royal Huisman. Newly transformed into a hybrid yacht, Juliet now bears technologies that will future-proof her for years to come. Her new hybrid system offers numerous benefits including silent operations, zero emissions, peak-shaving, shaft-generated power under sail and reduced fuel consumption. A brand-new gearbox, aligned with a sophisticated new electric motor/generator, will allow electric propulsion that is powered by either the main engine or alternatively the battery pack or generator. Meanwhile, a battery bank will allow Juliet to operate in ‘silent ship’ mode.

When stretching her legs under sail, the rotation of the propeller will generate electric power. When at anchor she can run on battery power so guests can relax without any noise pollution that might detract from their surroundings. With nearly a quarter a million miles logged since her launch, Juliet is now ready for the next quarter million miles to come.

Swan 88 Hybrid

Finnish builders Nautor’s Swan has joined the trend for hybrid yachts with its Swan 88 Hybrid model, which has a hybrid-electric propulsion system that marks a new era for the yard’s Maxi range. This new direction for the yard includes making greater use of eco-friendly materials in its designs. The Swan 88 Hybrid is the yard’s first attempt at a hybrid yacht, and the design has already borne fruit – in May 2021 it announced it had already sold the first hull.

Described by Nautor’s Swan as a “dual soul of racer and cruiser,” the Swan 88 Hybrid pairs comfort and performance and is an excellent ‘starter size’ superyacht that is spacious but manageable. The minimalist exterior design by German Frers is complemented by “a comfortable, harmonious and magical” interior by Misa Poggi. An easy-handle sail plan makes use of the brand’s long experience in ocean racing, delivering “efficient, uncomplicated and easily managed sailing”. The layout and design has been tailored to maximize guest comfort on longer trips – this first model will be able to travel the world with a lighter footprint thanks to her eco credentials.

nautorswan.com

Sailing purists the world over treasure the sight of a J Class yacht. Original J Class yachts raced in the 1930s under the Universal Rule, in events including the America’s Cup. There have been several replica J Class yachts built in modern times as well. Elegant Rainbow is one such replica and was built in Holland in 2012 by Holland Jachtbouw. Her design was based on the original Rainbow , which won the America’s Cup in 1934, and it paired the best of classic yacht design with all the necessary modern technologies and comforts.

Like many other eco-friendly sailing yachts, Rainbow is powered by a hybrid propulsion system – in fact, she was the first J Class to boast this capability. This means a welcome 30% reduction in fuel usage, as well as the option of silent operations when underway. As beautiful on the inside as she is on the outside, Rainbow ’s luxurious interior makes use of elegant mahogany woods, sophisticated styling and plenty of space to enjoy. If owning a J Class is your dream, Rainbow is currently for sale for a cool $8,250,000.

y.co/yacht/rainbow

The 142-ft Canova takes the title of being Baltic Yachts’s very first zero emissions yacht over 100 ft / ©Baltic Yachts

Built by Finnish firm Baltic Yachts in 2019, the 142-ft Canova takes the title of being the yard’s very first zero emissions yacht over 100 ft. This was a mandate of her owner, who wanted his long-distance cruising yacht to be as green as possible. Canova more than met the mark and carries an impressive line-up of modern technologies including a power regeneration system that, in theory, allows a never-ending supply for the yacht to make use of. An added first is that Canova is the first superyacht to be fitted with a transverse Dynamic Stability System foil, which delivers unprecedented comfort levels for a sailing yacht by reducing heel and motion.

Guests can relax on board Canova and enjoy nine hours of ‘silent’ mode made possible by an electric propulsion system that also charges the on-board battery bank. An easy-to-handle, yet powerful, sail plan ensures hoisting the sails is a breeze, meaning Canova can make the most of her sailing prowess (again cutting down on engine use). Large spaces and good indoor/outdoor flow make her a home away from home, with communal spaces including the large, sheltered cockpit with drop down glass sides. Canova was built to take her owner and guests around the world and will be venturing to a wide variety of destinations over the coming years.

balticyachts.fi

Sw108 Hybrid

The SW108 Hybrid will allow for efficient consumption of fossil fuels and reduce harmful emissions

First revealed in 2021, the SW108 Hybrid from South African shipyard Southern Wind Shipyard (SWS) is an exciting diesel-electric concept that has been designed with the planet in mind. It is the result of an impressive collaboration between SWS, Nauta Design and Farr Yacht Design. Featuring the ‘SWS Diesel-Electric Hybrid System,’ the SW108 Hybrid will allow for efficient consumption of fossil fuels and reduce harmful emissions.

[See also: Discovering the World’s Most Exciting Superyacht Concepts]

All this is presented in a sleek, elegant and reliable package typical of SWS. Key features include a plus-sized beach club and a garage with room for a 16 ft tender. Sure to appeal to sailors looking for a reliable and comfortable “greener” sailing yacht, the design is what the yard describes as “a more environmentally friendly approach to performance yacht sailing.” The shipyard takes its responsibilities to deliver more eco-friendly yachts very seriously and the SW108 Hybrid will likely set the tone for future designs from SWS.

sws-yachts.com

To the Future…

REV Ocean will be kitted out with the latest sampling, observation, mapping and communication equipment / ©REV Ocean

Due to be completed in 2024, 600-ft REV Ocean will be the world’s largest research vessel. With construction well underway in Norway, REV Ocean is a state-of-the-art yacht that has been designed to ensure ‘one healthy ocean.’ As a luxury floating laboratory, her impressive facilities will allow her to undertake cutting-edge ocean science. She has an abundance of sustainable features, and her assets will include everything from a deep-diving submarine to a lecture theater for discussing discoveries.

[See also: Inside the Incredible Superyacht REV]

“ REV Ocean’s hull and propeller were designed for less resistance and more efficiency moving through the water, saving up to 15% on fuel consumption,” explains Lawrence Hislop of REV Ocean . “Additionally, lithium-ion battery packs, LED lighting, a heat recovery system, an onboard incinerator and DNV SILENT-R rating all contribute to the philosophy of making REV Ocean one of the world’s most sustainable research and expedition vessels.” Want to experience REV Ocean for yourself? She will be offering special, once-in-a-lifetime charters that allow guests to play their own part in REV Ocean’s important work.

revocean.org

Arksen 85 offers luxurious comfort and large onboard spaces / ©Arksen Yachts

Last year work began on the Arksen 85 — dubbed Project Ocean — the first self-proclaimed “ultimate marine exploration vessel” to be built by Arksen Yachts. Created to travel the world, with a stable, hardy design, the Arksen 85 is intended to explore with low environmental impact. She’s built in an eco-friendly way, with her hull and superstructure made from low-carbon, recycled aluminum. A range of up to 7,000 nm will give her plenty of scope for adventures, and her eco credentials include a solar array option for zero-carbon electrical power and a hybrid propulsion system.

Buying an Arksen yacht offers several bolt-ons such as membership in the Arksen Explorers’ Club, which helps owners make the most of their vessels, and an invitation to join the Arksen Foundation, where owners are invited to pledge 10% of their vessels’ sea time to ocean-exploration projects. The Arksen 85 offers luxurious comfort and large onboard spaces. This first build will include a full beam master suite, media room and children’s cabin. She is due to launch in 2022, and a large portion of her time at sea has already been committed to the Arksen Foundation.

Project AQUA

The stunning infinity pool on Project AQUA / ©Sinot Yacht Architecture & Design

Project AQUA made headlines around the world last year when rumors started that she was being built for Bill Gates. This speculation was later dispelled but, in the process, the world got a good look at the 367-ft vessel and so too a glimpse of what the future of yacht design might look like. The work of Lateral Naval Architects in collaboration with Sinot Yacht Design, hydrogen-powered Project AQUA represents how yachting might one day achieve zero carbon usage.

[See also: Hydrogen-Powered Yachts: What to Know]

“For Project AQUA we set ourselves an objective of using near-future technology,” explains Simon Brealey, principal mechanical engineer at Lateral. “Liquid hydrogen has the potential to be created from renewable sources via electrolysis and as such can be considered a zero carbon fuel with the only local emissions being water. Project AQUA demonstrates [that] the onboard technology to enable a zero carbon project is ready, and we hope that it acts to inspire superyacht owners, shipyards, the hydrogen infrastructure industry and the wider maritime industry.”

The Sinot team used “an integrated and highly poetic design approach” when creating her: Cascading exterior decks are paired with a minimalist Japanese beach-style interior that provides living spaces in perfect balance with the water on which the vessel sits.

lateral.engineering , sinot.com

The 312-ft hybrid yacht Bliss is the most recent Feadship vessel to hit the water / ©Feadship

Dutch yard Feadship now has a good number of eco yachts to its name, and 312-ft hybrid yacht Bliss is the most recent to have hit the water. Launched in May 2021, Bliss benefits from the very latest advances in technology with an all-new hybrid propulsion system. De Voogt Naval Architects were heavily involved in the design and engineering of the hybrid system, which will allow the yacht to sail in diesel-electric mode. In a win-win for comfort and for the world, “this package helps to protect the environment and provides premium comfort for all who step aboard,” says Feadship. Bliss also has Polar Code compliance – what better way to connect with the importance of protecting the health of our planet than by coming face to face with the icy majesty of the Polar regions?

Built for a very hands-on owner, Bliss features an exterior design by Jan Schaffers of Studio de Voogt and interior design by Remi Tessier. This team has created an elegant style that they describe as “natural and welcoming, inside and out.” Highlights include nine cabins, a gym and wellness space, a pool and a convertible helideck. Designed for family fun and to see the world this magnificent custom yacht is a timeless triumph.

Eco Explorer

Eco Explorer concept is described as “a genuinely eco-friendly superyacht” / ©Feadship

A collaboration between Dutch yard Feadship and French design studio Merveille Yachting, the Eco Explorer concept is described by Feadship as “a genuinely eco-friendly superyacht.” The yacht combines all the best elements of motor and sail yachts in one efficient package. She features a mast system that has fully automated wings twice as powerful as a standard sailing yacht rig, while the use of sail power reduces fuel use as well.

Energy is also harnessed from a trio of onboard solutions including wind turbines, solar panels and underwater turbines. These, together with other reduction elements, add up to the use of an estimated 50-70% less fossil fuel, and more than three times the range of an equivalent boat. The 55-ft beam ensures plenty of space on board, with an inviting interior and vast beach club that includes a 49-ft swimming pool. The perfect yacht for seeing the world guilt-free, “the Eco Explorer is on the forefront of cutting-edge, environmentally friendly technology,” says Feadship.

feadship.nl , merveille-yachting.com

Vento was designed by Carlo Nuvolari and Dan Lenard to be a “manifesto for environmental protection” / ©Nuvolari-Lenard

A mighty 328-ft sailing yacht concept, Vento is the brainchild of Nuvolari-Lenard. First revealed in June 2021 at the Venice Boat Show, this behemoth was created by design duo Carlo Nuvolari and Dan Lenard to be a “manifesto for environmental protection” and a visual appeal to superyacht designers to create truly green yachts. This radical concept will use the wind as its main source of propulsion and its slipstream hull will ensure it moves efficiently through the water. Its Wing Sail sail plan is more efficient than traditional rigs, allowing for better performance. A diesel-electric system with variable speed generators and variable pitch propellors will allow operations to be adjusted to achieve maximum efficiency.

Nuvolari and Lenard both believe that it is not enough to design a yacht that is “greener,” and instead our entire mentalities and attitudes towards yacht design needs to shift. “ Vento speaks to a market sensitive to environmental issues, worried about the future of the marine ecosystem, which is ready to do its part,” they say. Vento is their testimony and, they believe, proof that a truly green yacht needn’t mean compromising on innovative designs and luxurious living.

nuvolari-lenard.com  

Project Crystal

Project Crystal is named for the distinctive crystalline lattice that forms a striking part of the exterior profile / ©Nick Stark Design

The size of the 308-ft Project Crystal is an eco yacht option for buyers who can’t let go of the idea of a very large yacht. She, like the rest on this list, has been designed in a way that will allow efficient operations and energy savings. “As with all our designs, the impact of a vessel on its context is crucial — environmental considerations extend from the controllable pitch propellers which maximize efficiency, through the hydrodynamic optimizations of the hull, hybrid power systems and glazing arrangements that minimize solar gain,” says Nick Stark, naval architect at Nick Stark Design.

Project Crystal is named for the distinctive crystalline lattice that forms a striking part of the exterior profile. Designed to be a sanctuary, Project Crystal is a safe and relaxing space that is both beautiful on board and from afar. “We wanted to create an aesthetic that is celebratory,” says Stark. “The lines flow up and across, both lifting our gaze and also guiding it to what is around us: the people, the community and the environment”. The design is able to achieve swift global navigation and she has been crafted with a relentless focus on hydrodynamic fundamentals – the sleek unadorned underwater lines tick the boxes for both fuel efficiency and superb seakeeping. Not to mention she looks pretty exceptional too.

nickstark.design

Sunreef 80 Eco

The eco-responsible luxury craft contains the latest green technologies in the industry / ©Sunreef

The Sunreef 80 Eco catamaran design is described by Sunreef Yachts as “an eco-responsible luxury craft combining electric propulsion, superyacht living spaces, reliable sailing performance and the latest green technologies in the industry.” The Sunreef 80 Eco is the largest in the yard’s Eco range, which boasts a large number of appealing ‘green’ features. These include state-of-the-art batteries, sustainable interiors, wind generators and smart water management. In fact, the entire Sunreef brand has undergone a central shift and rebrand towards producing “eco luxury” catamarans.

[See also: Style and Sustainability: The New Sunreef 80 Eco Catamaran]

Sunreef Yachts have worked hard on developing their own proprietary solar panel system, which has been integrated into the Sunreef 80 Eco design, allowing for 1,765 sq ft of ultra-light solar panels installed around the vessel. Pairing comfort and green technology, she has been designed for long range offshore cruising in total silence and in harmony with her surroundings. The entire design can be customized to suit her owners, with plenty of light-filled spaces in close proximity to the ocean. The first Sunreef 80 Eco is currently in build and due to make her debut in 2021.

sunreef-yachts-eco.com

The sailing yacht with the lowest possible environmental footprint / ©TDoS

This year saw Tillberg Design of Sweden (TDoS) release its interpretation of an eco superyacht, the 265-ft Aegir 2.0 . The design house describes it as “the sailing yacht with the lowest possible environmental footprint.” A big claim indeed. The design has a wind-electric propulsion system that recharges her batteries as she sails. This means her range is theoretically infinite – the world will be her oyster. A Dynarig sail plan will ensure excellent performance, while the trimaran hull delivers excellent seakeeping.

Her eco credentials do not mean a sacrifice on comfort as Aegir 2.0 has plenty of luxury features including a swimming pool, beach club space and spacious rooms. A minimalist Scandinavian style interior pairs a subtle color palette with natural materials, complemented by large windows that fill all spaces with light.

tillbergdesign.com

Lürssen’s fuel cell yacht

There is little public information available about an exciting new project from German yard Lürssen Yachts, but it certainly warrants a place in this list for the feat of being the yard’s first yacht with fuel cell technology. Now in build, the yacht has been commissioned by a forward thinking and technology driven owner. This project is huge news as it represents a big step towards an emission free Lürssen superyacht. Flanking the traditional generators, the fuel cell will offer many benefits including the ability to anchor for 15 days or cruise 1,000 miles at slow speed with no emissions.

Complementing this new build project, the yard has set up an Innovation Laboratory that will “simulate and test the integration and operation of a Marine Hybrid Fuel Cell System on board a yacht powered by methanol.” Lürssen is certainly looking to the future and has ambitious goals to lead the field in the construction of emission free yachts.

Ellie Brade

Latest in luxury, the explorer.

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Most Seaworthy Boats Under 30 Feet (What Are The Best Options?)

August 30, 2022

This article may contain affiliate links where we earn a commission from qualifying purchases.

If asked about the most seaworthy boats, you would think of giant cruise and cargo ships. But what are the most seaworthy boats under 30 feet?

The most seaworthy boats tend to be quite large as longer and wider boats offer more stability at sea. But not everyone needs something as big as a super yacht to have fun and feel safe out on the open ocean, and smaller boats are definitely a lot more accessible to the average person. So what are the most seaworthy boats under 30 feet?

Some of the best and most seaworthy boats under 30 feet are:

• The Boston whaler 280 outrage
• Blackfin 272CC, the Hunter 27
• And the cape dory 28

All of these boats offer everything you’ll need to have a great time on the water. There are lots of things to consider when measuring how seaworthy a boat is. So what exactly makes a boat seaworthy, and what are some of the most common types of boats under 30 feet that are considered to be seaworthy? If you’re thinking about buying a boat, these are all things that you can really benefit from knowing, and if not, it's always good to learn something new.

Growing up in a small coastal town in Massachusetts, I spent a lot of time navigating the coastal waters of the surrounding area. Though I prefer sailing, there is no shortage of quality, seaworthy boats, both sail, and motor, that are perfect for spending time on the sea.

Table of contents

‍ what makes a boat seaworthy.

There are lots of different factors to consider when thinking about how seaworthy a boat is; however, the two most important factors are stability and durability.

Boat stability can be defined as the boat's ability to right itself or come back to an even keel after something like the wind or a wave has caused it to roll to one side. This ability of the boat to stop itself from keeling over in rough conditions is incredibly important to any seaworthy vessel.

There are lots of different elements that affect how stable a boat will be, including the center of gravity, the center of buoyancy, and the general shape of the hull.

When calculating the stability of a boat, the center of gravity and the center of buoyancy is incredibly important. The center of gravity of an object is essentially the center of its mass. If you were to support the object from just this, it would balance perfectly, remaining in equilibrium. The center of buoyancy, on the other hand, is the center of mass of the water displaced by the vessel.

These forces of gravity and buoyancy push in opposite directions from these points, gravity pushing the boat down and buoyancy pushing it back up. When the boat is completely level, the center of gravity will be directly under the center of buoyancy. These two forces pulling in opposite directions ensure that the boat stays level.

However, if another force is applied to the boat, the centers of gravity and buoyancy can shift. Imagine a wave hits the side of the boat, causing it to lean in one direction. The farther the boat leans to one side, the closer the center of gravity and center of buoyancy come to one another.

As long as the center of buoyancy remains above the center of gravity, the forces of gravity and buoyancy will push the boat back up to a stable position. However, if the boat leans far enough to the side the center of buoyancy is below the center of gravity, causing the boat to be unstable and capsize. This is why it's so important for a boat to have a low center of gravity.

The shape of the hull also has also affected the stability of a boat, especially when the boat is heeled at a low angle. In general, boats with wider hulls are more stable. However, if you go overboard with this, a very wide boat without a center of gravity far below the water level is a recipe for disaster, as it will be much easier to capsize than it would be for a boat with a thinner hull and lower center of gravity.

Another very important factor to consider when determining the seaworthiness of a boat is its durability. Essentially, how unsinkable is the boat? Can it take a lot of damage before it will sink or will only minor damage cause catastrophic failure?

Unfortunately, for boats around 25 to 30 feet, durability can be quite a bit issue. As you know, in order for a boat to stay afloat, it has to displace its own weight in water, a boat's ability to do this can be easily compromised with even the smallest amount of damage.

Normally smaller boats under 20 feet contain a lot of foam in the hull to help keep the boat afloat if damaged. Larger boats do this as well, but they also employ the strategy of compartmentation in their designs. Basically, if the hull is divided into enough separate compartments, damage to one part of the hull isn’t much of a big deal. If one compartment is filled with water there are still plenty of others that aren't, allowing the boat to stay afloat and get back to shore.

Unfortunately, boats between 25 and 30 feet are likely to lack the necessary foam and compartmentation needed to keep them afloat if the hull is damaged. Even the smallest of holes form in the hull could cause the boat sink quickly. Because of this, it is often boats that are smaller than 20 feet and much longer than 30 feet that are the hardest to sink, leaving boats in the middle to have a higher risk of being catastrophically damaged than the others.

Most boats also have bilge pumps that allow water that collects in the bilge, the bottom of the inside of the hull, to be pumped out. This can help keep the boat afloat by removing much of the water that's been taken on over time. This allows the boat to better maintain its ability to displace its own weight.

In all, it is incredibly important that the boat is able to take the harsh beating that the sea will inevitably give it. The structural integrity of the boat must not be easily compromised by the abuse it takes, and the hatches and windows need to be just as strong and watertight to be truly seaworthy.

Other Factors That Can Affect Seaworthiness

Water shedding, reserve buoyancy, speed, and the design of the helm are a few more things to consider when talking about the seaworthiness of a boat.

For boats with self-bailing hulls that use gravity as opposed to a water pump to remove water, the ability for the boat to shed water is critical. If you get hit with a wave and water comes on board, you’ll want to be sure that the boat is able to rid itself of the extra water as quickly as possible.

Reserve buoyancy is also an essential thing to consider. Your boat may sit high on the water without any gear, fuel, or passengers on board; as the boat is loaded up, it will sit lower and lower in the water. This is incredibly important to be aware of as reserve buoyancy is integral to the stability of the boat.

The speed capabilities of the boat can also be crucial if you end up in a bad situation. An incoming storm may be able to be outrun by a faster boat, but in a boat with a speed of only 10 to 15 knots, it will be nearly impossible to get out ahead of the storm. Speed can also help you dodge waves and gives you increased control of your location and water conditions.

In addition to those aforementioned, the design and setup of the helm is another significant factor in the seaworthiness of a boat. The most important thing here is all-around visibility. Simply being able to see straight ahead doesn’t help you achieve the necessary overall situational awareness needed when piloting a boat in rough conditions.

The helm should also be equipped with the necessary electronic systems required to safely and efficiently pilot the boat. Water depth and GPS information should be easily accessible and the radio should be easily operable from one singular position around the wheel. An intelligently designed helm can really improve the overall seaworthiness of a boat.

What Types Of Boats Under 30 Are The Most Seaworthy?

If you were asked about what you think the most seaworthy boats are, there is no doubt that you would immediately think of some sort of giant, an ocean-crossing ship like a cruise ship or cargo ship. At the very least, you’ll think of some type of large yacht, most likely over 50 feet in length. In either case, the common link is that the boats you normally think of as being particularly seaworthy are also much larger than 30 feet in length.

So then, what types of boats are most commonly considered seaworthy while remaining under that 30 feet mark? Fishing boats and sailboats are two that immediately come to mind. While it would be inadvisable to cross the Atlantic in one of these boats, at least not without a lot of experience and preparation, fishing boats and sailboats alike are built durably enough to withstand the immense battering that the ocean can shell out while still oftentimes being under 30 feet.

Because sailboats and fishing tend to be the most seaworthy at this length while also being so vastly different from one another, I will be talking about the fishing boats that I deem to be the most seaworthy first, and will then list the most seaworthy sailboats after that.

The Most Seaworthy Fishing Boats Under 30 Feet

As mentioned before, fishing boats are among the most common seaworthy vessels under 30 feet, so I will be sharing the fishing boats that I deem to be the most seaworthy first.

1. Boston Whaler 280 Outrage

Coming in at 28 feet in length, the Boston Whaler 280 Outrage is an incredible boat for anyone looking to buy one of the most seaworthy offshore fishing boats. The boat is incredibly powerful, coming standard with two 250-horsepower Mercury Verado outboard engines. If you’re willing to shell out a bit of extra cash, these engines can be upgraded to two 400-horsepower engines that allow the boat to reach about 65 mph at full throttle.

Boston Whaler is known for making their boats unsinkable, and the 280 Outrage is no different, only adding to the seaworthiness of the vessel. The 280 Outrage is constructed using materials that float, so even if you take on water or damage the hull of the boat; it will stay level above the water. However, even if water does come on board, there's no need to worry as this boat’s self-bailing deck will shed the water in an instant.

As you would hope with any fishing boat, the 280 Outrage is packed to the brim with all the amenities you’ll need to have a successful fishing trip. The boat is equipped with 14-rod holders located all around the boat and also includes two 54-gallon fish boxes to store what you reel in. The inclusion of a convenient bait-prep area and tackle storage drawers adds to the utility of this incredibly seaworthy fishing boat.

2. Blackfin 272CC

At 27 feet and 2 inches, the Blackfin 272CC is almost a whole foot shorter than the Boston Whaler, but this doesn’t mean it's any less seaworthy. Easily the best-looking boat on this list, the 272CC’s design philosophy of utility and comfort really shine when you’re on this boat.

Boasting up to 600 horsepower, this boat has more than enough power to get up above 60 mph, and its hull remains stable in even the toughest of waters. The boat won’t leave you feeling uncomfortable either as many other fishing boats might. The seats at the helm and forward bow are beautifully designed and largely outmatch all of its competitors in the comfort department, so you know that your family won’t get restless the next time you take them out on the water.

Of course, as a fishing boat, you can still expect the boat to have all of the things necessary to aid you on your next fishing trip. The 272CC has 8-rod holders, two 54-gallon fish boxes, a 30-gallon bait well and a 5-gallon bait bucket. Though not quite as many rod holders as the aforementioned 280 Outrage, you can also upgrade and get six additional hardtop rod holders that can bring the total to 14.

The Most Seaworthy Sailboats Under 30 Feet

Though the aforementioned fishing boats are worth consideration for anyone looking for the most seaworthy boats under 30 feet, I’ve always been much more of a sailor myself, so here are the sailboats I think are the most seaworthy.

1. Cape Dory 28

Coming in at 28 feet and 9 inches, the Cape Dory 28 is a classic sailboat with unmatched seaworthiness. In fact, to prove how seaworthy this boat is, in 2009, a sailor named Fred Bickum successfully circumnavigated the earth, a voyage that took him three years in his 1978 Cape Dory.

Produced from 1975 to 1988, the Cape Dory 28 is still one of the most rugged and sought-after sailboats today. Designed by Carl Alberg, the Cape Dory combines classic design elements with comfort, durability, and spaciousness. When onboard, this bout truly feels much bigger than it actually is, even when compared with many modern 28-foot sailboats.

The build quality of this boat is unrivaled, with solid fiberglass in polyester resin hull and decks made from balsa and plywood-cored fiberglass. However, though its construction is solid, if not properly maintained over the years, osmotic blistering in the hull and water absorption through stress cracks in the deck can cause the structure of the boat to be weakened. Bronze is used for most of the fittings around the boat and the 8 opening ports, which adds to the classic look of this sailboat.

Under sail, the Cape Dory 28 is incredibly capable in harsh waters and in conditions with choppy water or low wind; the boat still maintains the ability to move a lot more quickly than many other similarly sized sailboats.

The spaciousness of the Cape Dory’s interior is also one of the big selling points, especially for a boat this old that can still compete with newer models. It features a V-berth bed and a cockpit with wheel steering that can comfortably fit six adults, as well as a galley and bathroom equipped with a toilet and shower. The interior cockpit is especially useful if you run into stormy weather as you can easily escape the harsh outside conditions and still maintain control of the boat.

2. Hunter 27

Also coming in at 27 feet and 2 inches, the Hunter 27 is a great seaworthy sailboat for anyone from beginner sailors to seasoned veterans. First introduced in 1974, the Hunter 27 has stood the test of time and is still one of the most popular sailboats to this day.

The Hunter 27’s lack of customization and standardized construction means that the price of this boat is much lower than many others, but don’t even begin to think that this boat is built poorly as the hull is strong enough to handle whatever the ocean throws at it. The boat is shipped with a mainsail and 110% genoa, offering an average amount of square sail footage for a boat its size and features wheel steering, something much more commonplace on a larger boat.

The Hunter 27 handles great under sail, but even if winds are particularly weak or you’re simply feeling a bit lazy, you won’t have to worry about being stranded. Since 1979 this boat has come standard with a reliable 14-horsepower Yanmar diesel engine. Though this won’t get you moving at groundbreaking speeds, it's enough to keep you moving if you need it to.

The boat also provides all the space you’ll need when spending multiple days on the water. The Hunter 27 includes a comfortable cabin, a saloon with enough seating for six centered around a table, a solid galley, and a toilet and shower, all wrapped up in this compact package.

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About THE AUTHOR

Brian Samson

I have a deep love of houseboating and the life-changing experiences houseboating has brought into my life. I’ve been going to Lake Powell on our family’s houseboat for over 30 years and have made many great memories, first as a child and now as a parent. My family has a passion for helping others have similar fun, safe experiences on their houseboat.

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Home » Blog » Buy a boat » 5 best small sailboats for sailing around the world

5 best small sailboats for sailing around the world

By Author Fiona McGlynn

Posted on Last updated: April 19, 2023

A small sailboat can take you big places

Small sailboats are the ticket to going cruising NOW — not when you retire, save up enough money, or find the “perfect” bluewater cruising boat. In fact, it’s the first principle in Lin and Larry Pardey’s cruising philosophy: “Go small, go simple, go now.”

Small yachts can be affordable, simple, and seaworthy . However, you won’t see many of them in today’s cruising grounds. In three years and 13,000 nautical miles of bluewater cruising, I could count the number of under 30-foot sailboats I’ve seen on one hand (all of them were skippered by people in their 20s and 30s).

Today’s anchorages are full of 40, 50, and 60-foot-plus ocean sailboats, but that’s not to say you can’t sail the world in a small sailboat. Just look at Alessandro di Benedetto who in 2010 broke the record for the smallest boat to sail around the world non-stop in his 21-foot Mini 6.5 .

So long as you don’t mind forgoing a few comforts, you can sail around the world on a small budget .

What makes a good blue water sailboat

While you might not think a small sailboat is up to the task of going long distances, some of the best bluewater sailboats are under 40 feet.

However, if you’re thinking about buying a boat for offshore cruising, there are a few things to know about what makes a small boat offshore capable .

Smaller equals slower

Don’t expect to be sailing at high speeds in a pocket cruiser. Smaller displacement monohulls are always going to be slower than larger displacement monohulls (see the video below to learn why smaller boats are slower). Therefore a smaller cruiser is going to take longer on a given passage, making them more vulnerable to changes in weather.

A few feet can make a big difference over a week-long passage. On the last leg of our Pacific Ocean crossing, our 35-foot sailboat narrowly avoid a storm that our buddy boat, a 28-foot sailboat, couldn’t. Our friend was only a knot slower but it meant he had to heave to for a miserable three days.

Small but sturdy

If a pocket cruiser encounters bad weather, they will be less able to outrun or avoid it. For this reason, many of the blue water sailboats in this list are heavily built and designed to take a beating.

Yacht design has changed dramatically over the last 50 years. Today, new boats are designed to be light and fast. The small sailboats in our list are 30-plus year-old designs and were built in a time when weather forecasts were less accurate and harder to come by.

Back in the day, boat were constructed with thicker fiberglass hulls than you see in modern builds. Rigs, keels, rudders, hulls and decks – everything about these small cruising sailboats was designed to stand up to strong winds and big waves. Some of the boats in this post have skeg-hung rudders and most of them are full keel boats.

The pros and cons of pocket cruiser sailboats

Pocket cruiser sailboats present certain advantages and disadvantages.

More affordable

Their smaller size makes them affordable bluewater sailboats. You can often find great deals on pocket cruisers and sometimes you can even get them for free.

You’ll also save money on retrofits and repairs because small cruising sailboats need smaller boat parts (which cost a lot less) . For example, you can get away with smaller sails, ground tackle, winches, and lighter lines than on a bigger boat.

Moorage, haul-outs, and marine services are often billed by foot of boat length . A small sailboat makes traveling the world , far more affordable!

When something major breaks (like an engine) it will be less costly to repair or replace than it would be on a bigger boat.

Less time consuming

Smaller boats tend to have simpler systems which means you’ll spend less time fixing and paying to maintain those systems. For example, most small yachts don’t have showers, watermakers , hot water, and electric anchor windlasses.

On the flip side, you’ll spend more time collecting water (the low-tech way) . On a small sailboat, this means bucket baths, catching fresh water in your sails, and hand-bombing your anchor. Though less convenient, this simplicity can save you years of preparation and saving to go sailing.

Oh, and did I mention that you’ll become a complete water meiser? Conserving water aboard becomes pretty important when you have to blue-jug every drop of it from town back to your boat.

Easier to sail

Lastly, smaller boats can be physically easier to sail , just think of the difference between raising a sail on a 25-foot boat versus a 50-foot boat! You can more easily single-hand or short-hand a small sailboat. For that reason, some of the best solo blue water sailboats are quite petite.

As mentioned above small boats are slow boats and will arrive in port, sometimes days (and even weeks) behind their faster counterparts on long offshore crossings.

Consider this scenario: two boats crossed the Atlantic on a 4,000 nautical mile route. The small boat averaged four miles an hour, while the big boat averaged seven miles an hour. If both started at the same time, the small boat will have completed the crossing two weeks after the larger sailboat!

Less spacious

Living on a boat can be challenging — living on a small sailboat, even more so! Small cruising boats don’t provide much in the way of living space and creature comforts.

Not only will you have to downsize when you move onto a boat  you’ll also have to get pretty creative when it comes to boat storage.

It also makes it more difficult to accommodate crew for long periods which means there are fewer people to share work and night shifts.

If you plan on sailing with your dog , it might put a small boat right out of the question (depending on the size of your four-legged crew member).

Less comfortable

It’s not just the living situation that is less comfortable, the sailing can be pretty uncomfortable too! Pocket cruisers tend to be a far less comfortable ride than larger boats as they are more easily tossed about in big ocean swell.

Here are our 5 favorite small blue water sailboats for sailing around the world

When we sailed across the Pacific these were some of the best small sailboats that we saw. Their owners loved them and we hope you will too!

The boats in this list are under 30 feet. If you’re looking for something slightly larger, you might want to check out our post on the best bluewater sailboats under 40 feet .

Note: Price ranges are based on SailboatListings.com and YachtWorld.com listings for Aug. 2018

Albin Vega 27($7-22K USD)

The Albin Vega has earned a reputation as a bluewater cruiser through adventurous sailors like Matt Rutherford, who in 2012 completed a 309-day solo nonstop circumnavigation of the Americas via Cape Horn and the Northwest Passage (see his story in the documentary Red Dot on the Ocean ). 

• Hull Type: Long fin keel
• Hull Material: GRP (fibreglass)
• Length Overall:27′ 1″ / 8.25m
• Waterline Length:23′ 0″ / 7.01m
• Beam:8′ 1″ / 2.46m
• Draft:3′ 8″ / 1.12m
• Rig Type: Masthead sloop rig
• Displacement:5,070lb / 2,300kg
• Designer:Per Brohall
• Builder:Albin Marine AB (Swed.)
• Year First Built:1965
• Year Last Built:1979
• Number Built:3,450

Cape Dory 28 ($10-32K USD) 

This small cruising sailboat is cute and classic as she is rugged and roomy. With at least one known circumnavigation and plenty of shorter bluewater voyages, the Cape Dory 28 has proven herself offshore capable.

• Hull Type: Full Keel
• Length Overall:28′ 09″ / 8.56m
• Waterline Length:22′ 50″ / 6.86m
• Beam:8’ 11” / 2.72m
• Draft:4’ 3” / 1.32m
• Rig Type:Masthead Sloop
• Displacement:9,300lb / 4,218kg
• Sail Area/Displacement Ratio:52
• Displacement/Length Ratio:49
• Designer: Carl Alberg
• Builder: Cape Dory Yachts (USA)
• Year First Built:1974
• Year Last Built:1988
• Number Built: 388

Dufour 29 ($7-23K)

As small bluewater sailboats go, the Dufour 29 is a lot of boat for your buck. We know of at least one that sailed across the Pacific last year. Designed as a cruiser racer she’s both fun to sail and adventure-ready. Like many Dufour sailboats from this era, she comes equipped with fiberglass molded wine bottle holders. Leave it to the French to think of everything!

• Hull Type: Fin with skeg-hung rudder
• Length Overall:29′ 4″ / 8.94m
• Waterline Length:25′ 1″ / 7.64m
• Beam:9′ 8″ / 2.95m
• Draft:5′ 3″ / 1.60m
• Displacement:7,250lb / 3,289kg
• Designer:Michael Dufour
• Builder:Dufour (France)
• Year First Built:1975
• Year Last Built:1984

Vancouver 28 ($15-34K)

A sensible small boat with a “go-anywhere” attitude, this pocket cruiser was designed with ocean sailors in mind. One of the best cruising sailboats under 40 feet, the Vancouver 28 is great sailing in a small package.

• Hull Type:Full keel with transom hung rudder
• Length Overall: 28′ 0″ / 8.53m
• Waterline Length:22’ 11” / 6.99m
• Beam:8’ 8” / 2.64m
• Draft:4’ 4” / 1.32m
• Rig Type: Cutter rig
• Displacement:8,960lb / 4,064 kg
• Designer: Robert B Harris
• Builder: Pheon Yachts Ltd. /Northshore Yachts Ltd.
• Year First Built:1986
• Last Year Built: 2007
• Number Built: 67

Westsail 28 ($30-35K)

Described in the 1975 marketing as “a hearty little cruiser”, the Westsail 28 was designed for those who were ready to embrace the cruising life. Perfect for a solo sailor or a cozy cruising couple!

• Hull Type: Full keel with transom hung rudder
• Hull Material:GRP (fibreglass)
• Length Overall:28′ 3” / 8.61m
• Waterline Length:23’ 6” / 7.16m
• Beam:9’ 7” / 2.92m
• Displacement:13,500lb / 6,124kg
• Designer: Herb David
• Builder: Westsail Corp. (USA)
• Number Built:78

Feeling inspired? Check out the “go small” philosophy of this 21-year-old who set sail in a CS 27.

Fiona McGlynn is an award-winning boating writer who created Waterborne as a place to learn about living aboard and traveling the world by sailboat. She has written for boating magazines including BoatUS, SAIL, Cruising World, and Good Old Boat. She’s also a contributing editor at Good Old Boat and BoatUS Magazine. In 2017, Fiona and her husband completed a 3-year, 13,000-mile voyage from Vancouver to Mexico to Australia on their 35-foot sailboat.

Saturday 1st of September 2018

Very useful list, but incomplete - as it would necessarily be, considering the number of seaworthy smaller boats that are around.

In particular, you missed/omitted the Westerly "Centaur" and its follow-on model, the "Griffon". 26 feet LOA, bilge-keelers, weighing something over 6000 pounds, usually fitted with a diesel inboard.

OK, these are British designs, and not that common in the US, but still they do exist, they're built like tanks, and it's rumored that at least one Centaur has circumnavigated.

Friday 31st of August 2018

This is a helpful list, thank you. I don't think most people would consider a 28' boat a pocket cruiser, though!

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10 Best Small Sailboats (Under 20 Feet)

Last Updated by

Daniel Wade

December 28, 2023

Compact, easy to trailer, simple to rig, easy to maintain and manage, and affordable, the best small boats all have one thing in common: they offer loads of fun while out there on the water.

So whether you're on a budget or just looking for something that can offer ultimate daytime rides without compromising on safety, aesthetic sensibilities, alternate propulsion, and speed, the best small sailboats under 20 feet should be the only way to go.

Let's be brutally honest here; not everyone needs a 30-foot sailboat to go sailing. They come with lots of features such as electronics, entertainment, refrigeration, bunks, a galley, and even a head. But do you really need all these features to go sailing? We don't think so.

All you need to go sailing is a hull, a mast, rudder, and, of course, a sail. And whether you refer to them as daysailers, trailerable sailboats , a weekender sailboat, or pocket cruisers, there's no better way to enjoy the thrills of coastal sailing than on small sailboats.

There are a wide range of small boats measuring less than 20 feet available in the market. These are hot products in the market given that they offer immense thrills out on the sea without the commitment required to cruise on a 30-footer. A small sailboat will not only give you the feel of every breeze but will also give you the chance to instantly sense every change in trim.

In this article, we'll highlight 10 best small sailboats under 20 feet . Most models in this list are time-tested, easy to rig, simple to sail, extremely fun, and perfect either for solo sailing or for sailing with friends and family. So if you've been looking for a list of some of the best small sailboats , you've come to the right place.

So without further ado, let's roll on.

Table of contents

{{boat-info="/boats/hunter-15"}}

The Marlow-Hunter 15 is not only easy to own since it's one of the most affordable small sailboats but also lots of fun to sail. This is a safe and versatile sailboat for everyone. Whether you're sailing with your family or as a greenhorn, you'll love the Hunter 15 thanks to its raised boom, high freeboard, and sturdy FRP construction.

With high sides, a comfortable wide beam, a contoured self-bailing cockpit, and fiberglass construction, the Hunter 15 is certainly designed with the novice sailor in mind. This is why you can do a lot with this boat without falling out, breaking it, or capsizing. Its contoured self-baiting cockpit will enable you to find a fast exit while its wide beam will keep it steady and stable no matter what jibes or weight shifts happen along the way.

This is a small sailboat that can hold up to four people. It's designed to give you a confident feeling and peace of mind even when sailing with kids. It's easy to trailer, easy to rig, and easy to launch. With a price tag of about $10k, the Hunter 15 is a fun, affordable, and versatile boat that is perfect for both seasoned sailors and novices. It's a low-maintenance sailboat that can be great for teaching kids a thing or two about sailing.

Catalina 16.5

{{boat-info="/boats/catalina-16-5"}}

Catalina Yachts are synonymous with bigger boats but they have some great and smaller boats too such as Catalina 16.5. This is one of the best small sailboats that are ideal for family outings given that it has a big and roomy cockpit, as well as a large storage locker. Designed with a hand-laminated fiberglass sloop, the Catalina 16.5 is versatile and is available in two designs: the centerboard model and the keel model.

The centerboard model is designed with a powerful sailplane that remains balanced as a result of the fiberglass centerboard, the stable hull form, and the rudder. It also comes with a tiller extension, adjustable hiking straps, and adjustable overhaul. It's important to note that these are standard equipment in the two models.

As far as the keel model is concerned, this is designed with a high aspect keel as the cast lead and is attached with stainless steel keel bolts, which makes this model perfect for mooring or docking whenever it's not in use. In essence, the centerboard model is perfect if you'll store it in a trailer while the keel model can remain at the dock.

All in all, the Catalina 16.5 is one of the best small sailboats that you can get your hands on for as low as $10,000. This is certainly a great example of exactly what a daysailer should be.

{{boat-info="/boats/hobie-16"}}

There's no list of small, trailerable, and fun sailboats that can be complete without the inclusion of the classic Hobie 16. This is a durable design that has been around and diligently graced various waters across the globe since its debut way back in 1969 in Southern California. In addition to being durable, the Hobie 16 is trailerable, great for speed, weighs only 320 pounds, great for four people, and more importantly, offers absolute fun.

With a remarkable figure of over 100,000 launched since its debut, it's easy to see that the Hobie 16 is highly popular. Part of this popularity comes from its asymmetric fiberglass-and-foam sandwiched hulls that include kick-up rudders. This is a great feature that allows it to sail up to the beach.

For about $12,000, the Hobie 16 will provide you with endless fun throughout the summer. It's equipped with a spinnaker, trailer, and douse kit. This is a high-speed sailboat that has a large trampoline to offer lots of space not just for your feet but also to hand off the double trapezes.

Montgomery 17

{{boat-info="/boats/montgomery-17"}}

Popularly known as the M-17, The Montgomery 17 was designed by Lyle C. Hess in conjunction with Jerry Montgomery in Ontario, California for Montgomery Boats. Designed either with keel or centerboard models, the M-17 is more stable than most boats of her size. This boat is small enough to be trailered but also capable of doing moderate offshore passages.

This small sailboat is designed with a masthead and toe rail that can fit most foresails. It also has enough space for two thanks to its cuddly cabin, which offers a sitting headroom, a portable toilet, a pair of bunks, a DC power, and optional shore, and a proper amount of storage. That's not all; you can easily raise the deck-stepped mast using a four-part tackle.

In terms of performance, the M-17 is one of the giant-killers out there. This is a small sailboat that will excel in the extremes and make its way past larger boats such as the Catalina 22. It glides along beautifully and is a dog in light air, though it won't sail against a 25-knot wind, which can be frustrating. Other than that, the Montgomery 17 is a great small sailboat that can be yours for about $14,000.

Norseboat 17.5

{{boat-info="/boats/norseboat-17-5"}}

As a versatile daysailer, Norseboat 17.5 follows a simple concept of seaworthiness and high-performance. This small sailboat perfectly combines both contemporary construction and traditional aesthetics. Imagine a sailboat that calls itself the "Swiss Army Knife of Boats!" Well, this is a boat that can sail and row equally well.

Whether you're stepping down from a larger cruiser or stepping up from a sea kayak, the unique Norseboat 17.5 is balanced, attractive, and salty. It has curvaceous wishbone gaff, it is saucy, and has a stubby bow-sprit that makes it attractive to the eyes. In addition to her beauty, the Norseboat 17.5 offers an energy-pinching challenge, is self-sufficient, and offers more than what you're used to.

This is a small, lightweight, low-maintenance sailboat that offers a ticket to both sailing and rowing adventures all at the same time. At about 400 pounds, it's very portable and highly convenient. Its mainsails may look small but you'll be surprised at how the boat is responsive to it. With a $12,500 price tag, this is a good small sailboat that offers you the versatility to either row or sail.

{{boat-info="/boats/sage-marine-sage-17"}}

If you've been looking for a pocket cruiser that inspires confidence, especially in shoal water, look no further than the Sage 17. Designed by Jerry Montgomery in 2009, the Sage 17 is stable and should heel to 10 degrees while stiffening up. And because you want to feel secure while sailing, stability is an integral feature of the Sage 17.

This is a sailboat that will remain solid and stable no matter which part of the boat you stand on. Its cabin roof and the balsa-cored carbon-fiber deck are so strong that the mast doesn't require any form of compression post. The self-draining cockpit is long enough and capable of sleeping at 6 feet 6 inches.

The Sage 17 may be expensive at $25k but is a true sea warrior that's worth look at. This is a boat that will not only serve you right but will also turn heads at the marina.    

{{boat-info="/boats/laserperformance-laser-sb3"}}

Having been chosen as the overall boat of the year for 2008 by the Sailing World Magazine, the Laser SB3 is one of the coolest boats you'll ever encounter. When sailing upwind, this boat will lock into the groove while its absolute simplicity is legendary. In terms of downwind sailing, having this boat will be a dream come true while it remains incredibly stable even at extraordinary speed.

Since its debut in 2004, the Laser SB3 has surged in terms of popularity thanks to the fact that it's designed to put all the controls at your fingertips. In addition to a lightweight mast, its T- bulb keel can be hauled and launched painlessly. For about $18,000, the Laser SB3 ushers you into the world of sports sailing and what it feels to own and use a sports boat.

{{boat-info="/boats/fareast-18"}}

As a manufacturer, Fareast is a Chinese boat manufacturer that has been around for less than two decades. But even with that, the Fareast 18 remains a very capable cruiser-racer that will take your sailing to the next level. In addition to its good looks, this boat comes with a retractable keel with ballast bulb, a powerful rig, and an enclosed cabin.

Its narrow design with a closed stern may be rare in sailboats of this size, but that's not a problem for the Fareast 18. This design not only emphasizes speed but also makes it a lot easier to maintain this boat. Perfect for about 6 people, this boat punches above its weight. It's, however, designed to be rigged and launched by one person.

This is a relatively affordable boat. It's agile, safe, well-thought-out, well built, and very sporty.

{{boat-info="/boats/chuck-paine-paine-14"}}

If you're in the market looking for a small sailboat that offers contemporary performance with classic beauty, the Paine 14 should be your ideal option. Named after its famous designer, Chuck Paine, this boat is intentionally designed after the classic Herreshoff 12.5 both in terms of dimensions and features.

This is a lightweight design that brings forth modern fin keel and spade rudder, which makes it agile, stable, and faster. The Paine 14 is built using cold-molded wood or west epoxy. It has varnished gunnels and transoms to give it an old-time charm. To make it somehow modern, this boat is designed with a carbon mast and a modern way to attach sails so that it's ready to sail in minutes.

You can rest easy knowing that the Paine 14 will not only serve you well but will turn heads while out there.

{{boat-info="/boats/wd-schock-lido-14"}}

Many sailors will attest that their first sailing outing was in a Lido 14. This is a classic sailboat that has been around for over four decades and still proves to be a perfect match to modern small boats, especially for those still learning the ropes of sailing.

With seating for six people, the Lido 14 can be perfect for solo sailing , single-handed sailing, or if you're planning for shorthanded sailing. While new Lido 14 boats are no longer available, go for a functional used Lido 14 and you'll never regret this decision. It will serve you well and your kids will probably fall in love with sailing if Lido 14 becomes their main vessel during weekends or long summer holidays.

Bottom Line

There you have it; these are some of the best small sailboats you can go for. While there are endless small sailboats in the market, the above-described sailboat will serve you right and make you enjoy the wind.

Choose the perfect sailboat, invest in it, and go out there and have some good fun!

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I've personally had thousands of questions about sailing and sailboats over the years. As I learn and experience sailing, and the community, I share the answers that work and make sense to me, here on Life of Sailing.

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