BoatsDeb 33

Deb 33

Masthead Sloop · Keel/centreboard · First built 1969

A Sparkman & Stephens design featuring a versatile keel-centerboard configuration for flexible draft in coastal waters

Designed by Sparkman & Stephens, built by Tyler Mouldings.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Keel/Cbrd.

Is it for you?

Character

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

Shoal draughtDraws 1.09 m, board up where she has one — creeks, sandbars and thin anchorages most keels have to stay out of.
LivelySea-kindly

Her heavy displacement on a moderate beam gives 32 — a sea-kindly motion in a seaway.

Comfort ratio 32
CoastalBluewater

1.78 — just under the 2.0 offshore line; her beam is modest for her weight.

Capsize screening 1.78
LightHeavy

404 — very heavy for her waterline, a serious load-carrying cruiser.

Displacement / length 404
EasygoingPowered-up

14.6 — modest power for her weight; easygoing rather than lively, and happier with a breeze.

Sail area / displacement 14.6
TenderStiff

42% of her weight is ballast — moderately stiff, a middle-of-the-road stability.

Ballast 42%

A capable cruiser that sits just inside the offshore line — coastal work with real passages in her.

  • Heavier than ~78% of boats her size on file

Compared with 349 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
Ballast / displacement
41.6%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
14.6
Displacement / length
403.7
Comfort ratio
32.1
Capsize screening
1.78
Hull speed
6.6 kn
Pounds / inch immersion
886
Hull
Hull type
Keel/Cbrd.
Construction
Fiberglass
Production
Years built
First built 1969
Units built
50
Designer
Sparkman, Stephens
Builder
Tyler Mouldings, Deacons Boat Yard Ltd

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.

Pearson Yachts 3510.67 mSame hull family0.5 m longerBoasting the longest production run of any Pearson model, this keel/centerboard sloop remained largely unchanged for 14 years
Allied Boat Co. Inc. Seabreeze 3510.52 mSame hull family0.3 m longerA MacLear and Harris-designed masthead sloop featuring a versatile keel-centerboard configuration for shoal-draft cruising
Tartan Marine 34 C10.49 mSame hull family0.3 m longerA Sparkman & Stephens masthead sloop featuring a keel-centerboard hull designed for shoal water and IOR competition
Morgan Yachts 309.12 mSame hull family1.1 m shorterA masthead sloop featuring a keel-centreboard configuration, designed by Charles Morgan Jr. for versatile shoal-draft sailing
Southerly 11511.23 mSame hull family1.0 m longerA versatile swing-keel cruiser evolving from Dick Carter's original design to the twin-rudder Humphreys MIII version
Irwin Yachts 38-111.51 mSame hull family1.3 m longerA 1970 masthead sloop featuring a deep-draft keel-centerboard configuration and a spade rudder for shoal-water versatility

The family

Boats like this

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

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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