Gemini 31/3000
Catamaran, twin centreboards · Masthead Sloop · 1981–1990
The best-selling American cruising catamaran of its era, featuring a twin-centerboard hull designed for shoal-water access
Designed by Ken Shaw & Tony Smith, built by Performance Cruising Inc.
- LOA
- Beam
- Draft (max)
- Displacement
- Hull type
- Catamaran Twin Cbrd.
Is it for you?
Character
Where this design lands on the numbers a shopper trusts — read straight from her own ratios.
139 — light for her waterline, so she is easily driven and quick to accelerate.
19.5 — plenty of sail for her weight; lively and quick to respond.
- Narrower than ~89% of boats her size on file
Compared with 125 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.
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.
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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