BoatsSeguin 44

Seguin 44

Masthead Sloop · Fin With Rudder On Skeg · First built 1980

A Sparkman & Stephens masthead sloop built on a versatile hull mold that allows for custom deck and rig configurations

Designed by Sparkman & Stephens, built by Lyman Morse Boatbuilding.

LOA
Beam
Draft (max)
Displacement
Hull type
Fin With Rudder On Skeg

Is it for you?

Character

Where this design lands on the numbers a shopper trusts — read straight from her own ratios.

LivelySea-kindly

Her heavy displacement on a narrow beam gives 38 — a sea-kindly motion in a seaway.

Comfort ratio 38
CoastalBluewater

1.71 — just under the 2.0 offshore line; her beam is modest for her weight.

Capsize screening 1.71
LightHeavy

319 — heavy for her waterline, built to carry stores and ride steadily.

Displacement / length 319
EasygoingPowered-up

15.6 — moderate power for her weight; steady, all-round performance.

Sail area / displacement 15.6

Built heavy and sea-kindly — a boat made to cross oceans and forgive a rough night.

  • Heavier than ~84% of boats her size on file

Compared with 2576 boats of the same type within a quarter of her length.

The record

Full specifications

The complete reference set — tap any figure to switch between metric and imperial.

Dimensions
Weights
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
15.6
Displacement / length
319.5
Comfort ratio
38.3
Capsize screening
1.71
Hull speed
7.8 kn
Pounds / inch immersion
1538
Hull
Hull type
Fin with rudder on skeg
Construction
Fiberglass
Ballast type
Lead
Production
Years built
First built 1980
Units built
15
Designer
Sparkman, Stephens
Builder
Lyman Morse Boatbuilding, Lyman-Morse

Boats like this, on the water

Nobody has filmed this one — but these are close.

Comparable boats the fleet has on camera: same type, within a quarter of her length. Open the boat, or watch the video — a timestamp means she only appears in passing.

Hallberg-Rassy 42 (Frers)13.22 mSame hull familyNear-identical lengthA German Frers-designed masthead sloop built for blue-water cruising, featuring a stable fin keel and a 181-unit production run.
Henri Wauquiez Amphitrite 4313.03 mSame hull familyNear-identical lengthA masthead ketch also marketed as the Palmer Johnson 43CR, offering a stable fin keel and skeg-hung rudder configuration
Westerly Marine Ltd. Ocean 4313.26 mSame hull familyNear-identical lengthA Ron Holland-designed masthead sloop built for offshore comfort with a stable, skeg-mounted rudder configuration
Swan 43 (S&S)13.04 mSame hull familyNear-identical lengthDrawn for the RORC rule, this masthead sloop features a high ballast-to-displacement ratio for a stiff, stable ride
Nicholson 4413.18 mSame hull familyNear-identical lengthAn extended Nicholson 42 featuring a modified deck molding that creates a convenient walk-through to the aft cabin
Sweden Yachts 4213.25 mSame hull familyNear-identical lengthA 13.25-metre fractional sloop featuring a 2.1-metre bulb keel and a 40% ballast ratio for balanced offshore performance

The family

Related models

The designs closest to hers — usually the rest of the builder's range, sometimes the same hull sold under another name.

Keep looking

Nothing filmed of this one yet

Two ways to keep looking — both search what the fleet has actually recorded.

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