What kind of hull does a Boston Whaler have?
James Craig
Published Jan 07, 2026
No other commercial boat has it. Built with two precisely engineered molded hull pieces fitted together and filled with our proprietary foam, Boston Whalers are fused together to create an unsinkable unified hull.
Is Boston Whaler a Tri hull?
Hunt liked the concept and suggested making outboard powerboats. Working out of Cohasset and Marblehead, Mass., Fisher and Hunt developed the so-called cathedral hull shape, with two outer runners and what Fisher called a “pointed keel.” The Boston Whaler tri-hull was born.
Are Boston Whalers made of fiberglass?
Sandwiched between two walls of fibreglass, our high-density, non-absorbent foam provides structural support and sound and vibration absorption in addition to unsurpassed flotation. This means you have a solid hull, not hollow like most other boats.
How thick is the fiberglass on a Boston Whaler?
Anyone who has ever laid up various kinds of fiberglass will know the difference (and I have). The glass on whalers is called "matt". It comes in cloth sheets and is made up of 1-2" unidirectional strands of glass.
Do Boston Whalers have wood?
There is no wood inside the new hulls.
38 related questions foundDid Boston Whaler build a wooden boat?
He ran a company building small, lightweight boats out of balsa wood. He designed a rowboat and got the materials to build it, but he never completed it. In the 1950s, polyurethane foam, a stiff, lightweight, buoyant material, was invented.
Are Boston Whalers really unsinkable?
An unsinkable hull plus brilliant design and advanced technology equals the most trusted boat on the water. Yes, you can cut a Boston Whaler in two and drive away in the half with the engine. But unsinkability means more than just the unmatched safety of Unibond™ hull construction.
How thick is the gelcoat on a Boston Whaler?
Typical Film Thickness: 18 ±2 mils.
How do you strengthen a fiberglass boat transom?
Apply epoxy to the edges of the outer fiberglass skin of the transom and over the heads of the screws holding the skin to the plywood, and lay a strip of fiberglass cloth over the epoxy. Once the fiberglass has cured, repeat this step until four layers of fiberglass and epoxy have been applied.
How many layers of fiberglass does a transom have?
Because the opening in the transom is smaller than the plywood core required for the repair, you will need to replace the core in pieces involving 3 or 4 layers. Multiple layers are required so the butt joint or joints in any given layer can be staggered and isolated from joints in an adjacent layer.
Are Boston Whalers good fishing boats?
When it comes to excellent offshore performance, fine craftsmanship, and above all, safety—it's hard to beat a Boston Whaler boat. Pair those qualities with a solid reputation for being unsinkable and you've got yourself a hardcore watercraft. The Boston Whaler is also a name that inspires dreams.
Where are Boston Whalers built?
Sold under the brand name Boston Whaler and built by the Fisher-Pierce manufacturing company in Braintree, Massachusetts, the boat is met with critical acclaim for its exceptional stability and carrying capacity.
Do Boston Whalers hold their value?
Safety, simplicity, versatility, practicality, and quality were trademarks of these boats. Sadly, these boats are no longer built, but fortunately, they make some of the best-used boats ever. Classic Boston Whalers also hold their value better than any boat on the market.
What year did Boston Whaler stop using wood?
For the 17' it was 1975 or 1976 that had the last of the wood consoles and seats.
What is the difference between a Boston Whaler Dauntless and Montauk?
The hull on the Dauntless has a smoother bow than the Montauk. It also looks like the stern of the hull has a bit less vee than the Montauk. These were seen at the Gulf Shores location. They have a Montauk with no bow rail and a used 2013 170 Dauntless.
Do Boston Whalers sink?
And while the Titanic was made from steel and iron, guaranteed to sink if given the chance, boat manufacturer Boston Whaler has taken a different approach to boat building, and their boats are actually unsinkable. In fact, it is part of the reason they are such popular boats. Plus, they are just super cool.
Can you reinforce a transom?
It cannot be reinforced. If you need proof , drill into the transom with a 1/4" bit, examine the wood chips. Moisture meters produce error readings, tapping reveals nothing, the truth is in the wood chips.
How thick is a boat transom?
As for Thickness, 3 layers of 3/4" composite, skin,bonding laminates and tab layer should work out around 3 inches.
How many layers of fiberglass do you need for a boat hull?
Two layers is the absolute minimum, three is better… The more prep time between the layers the stronger the finished product will be.
How much does it cost to restore a Boston Whaler?
A basic restoration of a 13-foot Boston Whaler costs about $20,000, which includes replacing the foam, as well as installing a new transom and new mahogany and hardware.
What is Boston Whaler hull made of?
UNSINKABLE CONSTRUCTION
Its foam-core Unibond construction gives the Boston Whaler its unsinkability – up to 2 ½ times the flotation required by the U.S. Coast Guard.
Why are Boston Whalers expensive?
The reason why Boston Whalers are expensive is that they are dependable. They inspire anglers to push the limits offshore. The design of Boston Whalers is also incredible, and their lineup of boats right now ranges from eleven to forty-two feet.