BoatsNauticat 331

Nauticat 331

Masthead Ketch · Fin With Rudder On Skeg · First built 1997

A sturdy masthead ketch designed for comfortable cruising with a skeg-mounted rudder and a stable, heavy displacement

LOA
Beam
Draft (max)
Displacement
Ballast
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 moderate beam gives 39 — a sea-kindly motion in a seaway.

Comfort ratio 39
CoastalBluewater

At 1.68 she sits well under the 2.0 line — a solidly ocean-capable hull for her size.

Capsize screening 1.68
LightHeavy

373 — very heavy for her waterline, a serious load-carrying cruiser.

Displacement / length 373
EasygoingPowered-up

13.9 — modest power for her weight; easygoing rather than lively, and happier with a breeze.

Sail area / displacement 13.9
TenderStiff

28% of her weight is ballast — on the tender side; she'll heel readily and want a reef sooner.

Ballast 28%

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

  • Heavier than ~93% of boats her size on file

Compared with 2902 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
Ballast / displacement
28.3%
Rig & sail area
Rig
Masthead Ketch
Ratios
SA / displacement
13.9
Displacement / length
372.6
Comfort ratio
39.3
Capsize screening
1.68
Hull speed
7.1 kn
Pounds / inch immersion
1124
Hull
Hull type
Fin with rudder on skeg
Construction
Fiberglass
Production
Years built
First built 1997
Builder
Siltala Yachts, Nauticat - Siltala Yachts

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.

Westerly Yachts Ltd. Discus 3310.14 mSame hull familyNear-identical lengthAn aft-cockpit evolution of the Westerly 33, featuring a masthead rig and the choice of fin or twin keels
Rival 3410.36 mSame hull family0.3 m longerA 1972 masthead sloop with a 39% ballast ratio, designed for offshore stability and a steady 6.68-knot hull speed
Westerly 3310.14 mSame hull familyNear-identical lengthA center-cockpit masthead sloop offered with fin or bilge keels, designed for stable cruising and long-range comfort
King's Cruiser 3310.26 mSame hull family0.2 m longerA Pelle Pettersson-designed masthead sloop featuring a fin keel and skeg-hung rudder for stable, classic cruising
Islander 329.91 mSame hull family0.2 m shorterA J.H. McGlasson-designed masthead sloop that served as the foundational hull for the later Islander 33 and 34 models
Moody 3410.19 mSame hull familyNear-identical lengthA 1980s mid-sized cruiser with a 40% ballast ratio, designed for stability and predictable handling in coastal waters

The family

Boats like this

Nearby designs by size, type, and era — worth a look alongside her.

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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