BoatsGib'sea 312

Gib'sea 312

Masthead Sloop · Fin keel, spade rudder · First built 1988

A Rob Humphreys-designed masthead sloop built for the European charter trade with a balanced fin keel and spade rudder

Designed by Rob Humphreys.

LOA
Beam
Draft (max)
Displacement
Hull type
Fin w/spade Rudder

Is it for you?

Character

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

LivelySea-kindly

Her moderate displacement on a moderate beam gives 18 — a quick, lively motion that feels every wave.

Comfort ratio 18
CoastalBluewater

2.20 — right around the 2.0 line, the edge between coastal and offshore.

Capsize screening 2.20
LightHeavy

206 — moderately heavy for her waterline, a balanced cruising weight.

Displacement / length 206
EasygoingPowered-up

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

Sail area / displacement 17.1

A balanced, easily-driven cruiser — comfortable and forgiving for coastal work.

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
17.1
Displacement / length
205.8
Comfort ratio
18.3
Capsize screening
2.20
Hull speed
6.8 kn
Pounds / inch immersion
990
Hull
Hull type
Fin w/spade rudder
Construction
Fiberglass
Ballast type
Iron
Production
Years built
First built 1988
Designer
Rob Humphreys
Builder
Gib'sea, Dufour

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.

Newport 30-19.14 mSame hull family0.4 m shorterThe original 1968 production run of this masthead sloop, featuring a fin keel and spade rudder for coastal sailing
Spirit 329.48 mSame hull familyNear-identical lengthA Jacques De Ridder-designed IOR 23-footer built for nearly two decades as a stiff, masthead-rigged fin-keel sloop
Granada Yachts 319.39 mSame hull familyNear-identical lengthA masthead sloop with a spade rudder and nearly 46% ballast ratio, designed for stability in a 31-foot hull
Bavaria Yachts 3009.55 mSame hull familyNear-identical lengthA 9.55-metre fractional sloop from 1989, featuring a deep 1.65-metre fin keel and bulb for efficient coastal sailing
Elvstrom 329.56 mSame hull familyNear-identical lengthA versatile 1/2 Ton masthead sloop offered in flush deck or coach roof versions, sharing a hull with several other designs
Jeanneau Rush 319.13 mSame hull family0.4 m shorterA Ron Holland-designed IOR half-tonner that served as the official boat for the Tour de France à la Voile

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.

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