Gemini 3400

BoatsGemini 3400

See her sail

The Gemini 3400, on the water

The fleet's own footage — the truest look at how she really moves.

Is it for you?

Character

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

Shoal draftDraws 0.46 m, board up where she has one — creeks, sandbars and thin anchorages most keels have to stay out of.

LightHeavy

126 — light for her waterline, so she is easily driven and quick to accelerate.

Displacement / length 126

EasygoingPowered-up

19.7 — plenty of sail for her weight; lively and quick to respond.

Sail area / displacement 19.7

Draws more than ~75% of boats her size on file
Narrower than ~93% of boats her size on file

Compared with 169 boats of the same type within a quarter of her length.

What the fleet has seen

The Gemini 3400, as the fleet has seen it

Derived from the videos the fleet has analysed of this model. ▶ marks open the moment aboard.

The Gemini 3400 is a 10.1-meter masthead sloop catamaran designed by Tony Smith and built by Performance Cruising Inc. from 1993 to 1996. It features a twin centerboard hull, a 4.3-meter beam, and a displacement of 3628 kg. The 3400 was the first Gemini model to incorporate molded transom steps and a new kick-up rudder system, with kick-up centerboards housed in fixed keels that protect the rudders from grounding.2:38 Its shallow draft, which can vary from 1.5 to 5.5 feet with retractable centerboards, allows access to shallow anchorages.4:37 The Gemini 3400 is known for its affordability and trailerability, fitting into standard monohull marina slips.3:11 It is the predecessor to the Gemini 105.2:31

The living fleet

Sailed by the fleet

Where the fleet has filmed this boat.

Basemap © Wikimedia Commons · CC BY-SA 4.0

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

19.7

Displacement / length

125.8

Hull

Hull type

Catamaran Twin Cbrd.

Construction

Fiberglass

Production

Years built

1993–1996

Units built

44

Designer

Tony Smith

Builder

Performance Cruising Inc

Boats like this, on the water

More boats like her, on the water

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.

Gemini 105MC10.21 mSame hull familyNear-identical lengthA versatile cruising catamaran featuring a cockpit that converts with canvas or solid panels for all-weather comfort

Gemini 105MC Review: The Affordable Cruising Catamaran That Actually Delivers! Ep 335 Lady K Sailing from Lady K Sailing

Prout Event 3410.36 mSame hull family0.3 m longer

Do NOT Buy - Prout 34 Bluewater Catamaran - Ep 351 - Lady K Sailing2:25 from Lady K Sailing

Dragonfly 3510.68 mSame hull family0.6 m longerA high-performance trimaran with a rotating fractional rig and a 34.54 SA/D ratio built for rapid, stable cruising

Dragonfly 35 - Delivering this fabulous Trimaran from Dartmouth to Troon0:14 from Halcyon Yachts - International Yacht Delivery

Mahe 3611.03 mSame hull family0.9 m longer

Why is this Catamaran So CHEAP? - Ep 365 - Lady K Sailing from Lady K Sailing

Dragonfly 3611.55 mSame hull family1.4 m longerA high-performance trimaran with a 28.12 SA/displacement ratio, offered in both Touring and Performance configurations

DAME AWARD: Here is the cream of the crop in boating equipment news2:16 from SEILmagasinet

Prout Ltd. Snowgoose 37 Elite11.28 mSame hull family1.2 m longerA wide-beamed cutter-rigged catamaran from a prolific series with over 500 hulls built for shoal-water cruising

Removing Our Boat Drive Leg Waste - Deep In Filthy Water "THIS WAS BRUTAL"6:33 from The Sailing Brothers

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.

Gemini 3200An evolution of the 3000 series featuring an extended waterline for improved performance and a masthead rig Gemini 105MCA versatile cruising catamaran featuring a cockpit that converts with canvas or solid panels for all-weather comfort Gemini 105MA Tony Smith-designed catamaran with twin centerboards, offering a high sail-area-to-displacement ratio for agile cruising Gemini 31/3000The best-selling American cruising catamaran of its era, featuring a twin-centerboard hull designed for shoal-water access Gemini Legacy 35A high-performance fractional catamaran featuring a Warren Luhrs-designed cockpit and shallow 0.86m draft

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