BoatsGib'sea 30

Gib'sea 30

Masthead Sloop · Fin With Rudder On Skeg · 1975–1979

A high-performance IOR half-tonner derived from the prototype Physale, built for speed and competitive club racing

Designed by M. Joubert & Joubert-Nivelt, built by Gilbert Marine.

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 moderate displacement on a beamy beam gives 20 — a moderate, middle-of-the-road motion.

Comfort ratio 20
CoastalBluewater

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

Capsize screening 2.12
LightHeavy

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

Displacement / length 268
EasygoingPowered-up

22.9 — a lot of sail for her weight; powered-up and eager, a real performer.

Sail area / displacement 22.9

Powered-up and quick to accelerate — this one likes to sail.

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
22.9
Displacement / length
267.8
Comfort ratio
20.4
Capsize screening
2.12
Hull speed
6.4 kn
Pounds / inch immersion
840
Hull
Hull type
Fin with rudder on skeg
Construction
Fiberglass
Production
Years built
1975–1979
Units built
138
Designer
M. Joubert, Joubert-Nivelt
Builder
Gilbert Marine, Gib'sea, Gibert Marine

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.

Ranger Yachts 29 (Mull)8.71 mSame hull family0.2 m shorterA 1970s masthead sloop with a skeg-hung rudder, offering a balanced 1.98 capsize screening for coastal cruising
Tartan Marine 309.12 mSame hull family0.2 m longerA Sparkman & Stephens masthead sloop offering versatile interior configurations and a choice of standard or tall rigs
San Juan 288.74 mSame hull family0.2 m shorterA 1977 masthead sloop with a 50% ballast ratio and fin keel, designed for balanced performance in a compact 28-foot hull
Dufour Arpege 309.14 mSame hull family0.3 m longerA record-breaking production of over 1500 units, this MORC-compliant racer-cruiser defined a new standard for the 30-foot class
Newport 30-19.14 mSame hull family0.3 m longerThe original 1968 production run of this masthead sloop, featuring a fin keel and spade rudder for coastal sailing
C&C Yachts 30-29.12 mSame hull family0.2 m longerA performance-oriented masthead sloop with a fin keel and spade rudder, designed by C&C for balanced club racing

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

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