BoatsTom Lack Catamarans Catalac

Tom Lack Catamarans Catalac

Catamaran, asymmetric hulls · Masthead Sloop · First built 1971

The original 1971 design that launched the series, featuring a shallow 0.69m draft and a stable masthead sloop rig

Designed by J. Winterbotom, Tom & Mary Lack.

LOA
Beam
Draft (max)
Displacement
Hull type
Catamaran (No boards/asym.)

Is it for you?

Character

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

Shoal draughtDraws 0.69 m, board up where she has one — creeks, sandbars and thin anchorages most keels have to stay out of.
LightHeavy

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

Displacement / length 205
EasygoingPowered-up

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

Sail area / displacement 18.1
  • Draws less than ~96% of boats her size on file
  • Narrower than ~84% of boats her size on file

Compared with 109 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
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
18.1
Displacement / length
205.1
Hull
Hull type
Catamaran (no boards/asym.)
Construction
Fiberglass
Production
Years built
First built 1971
Designer
J. Winterbotom, Tom, Mary Lack
Builder
Tom Lack Catamarans, Catalac

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.

Fastback 309.30 mSame hull family0.4 m longerA John Gross-designed masthead sloop catamaran with a high sail area-to-displacement ratio for spirited performance
How Does Sailing Transform Us? | #SAL #3423:23from Hashtag Sal
Prout Event 3410.36 mSame hull family1.4 m longer
Do NOT Buy - Prout 34 Bluewater Catamaran - Ep 351 - Lady K Sailing2:25from Lady K Sailing
Gemini 105MC10.21 mSame hull family1.3 m longerA 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 Sailingfrom Lady K Sailing
Gemini 105M10.21 mSame hull family1.3 m longerA Tony Smith-designed catamaran with twin centerboards, offering a high sail-area-to-displacement ratio for agile cruising
Full SAILBOAT TOUR [$68,000 Cozy Catamaran 33.5', Solo Sailed, Can Anchor ANYWHERE!!!]from Adventureman Dan
Corsair Marine 8808.80 mSame hull familyNear-identical lengthA high-performance folding trimaran with a rotating spar and an impressive 37.45 SA/displacement ratio
F25C tri - finishing the restoration fabrication jobs & prepping for paint17:07from Ravenswing
C-Cat 30149.14 mSame hull family0.2 m longerA 9.14-metre catamaran with a shallow 0.86m draft, originally produced as the AmeriCat 3014 and later built by Hutchins
Life is Like Sailing - Building a Sailrite Asymmetrical Spinnaker Kit24:02from Life is Like Sailing

The family

Boats like this

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

Catalac 900A pilothouse evolution of the 9M design, offering a sheltered helm station on a stable, shallow-draft platformCatalac 10MA 10.26-metre masthead cruising catamaran with a shallow 0.84m draft, also widely known as the Catalac 34Catalac 11MAn extended-stern evolution of the 10M design, providing extra deck space on a stable, shallow-draft catamaran platformCatalac 12MA 12.44-metre masthead cruising catamaran with a shallow 0.94m draft, also marketed as the Catalac 41Catalac 8MA compact 27-foot masthead catamaran with a shallow 0.61m draft, engineered as a shortened version of the 9M seriesCatalac 9MThe most popular model in the series, with over 250 built from the original molds later used for the Catalac 900

Keep looking

Nothing filmed of this one yet

Two ways to keep looking — both search what the fleet has actually recorded.

Search the fleet for boats like thisAsk the fleet about the Tom Lack Catamarans Catalac

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