BoatsSeamaster Sailer 925

Seamaster Sailer 925

Masthead Sloop · Fin Keel · First built 1978

A Holman and Pye designed masthead sloop with a fin keel, built in various iterations for a total of 153 hulls

Designed by Holman, Pye & Kim Holman.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Fin Keel

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 21 — a moderate, middle-of-the-road motion.

Comfort ratio 21
CoastalBluewater

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

Capsize screening 2.08
LightHeavy

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

Displacement / length 265
TenderStiff

40% of her weight is ballast — moderately stiff, a middle-of-the-road stability.

Ballast 40%

A balanced, easily-driven cruiser — comfortable and forgiving for coastal work.

The record

Full specifications

The complete reference set — tap any figure to switch between metric and imperial.

Dimensions
Weights
Ballast / displacement
40.0%
Rig & sail area
Rig
Masthead Sloop
Ratios
Displacement / length
265.4
Comfort ratio
20.9
Capsize screening
2.08
Hull speed
6.4 kn
Pounds / inch immersion
806
Hull
Hull type
Fin Keel
Construction
Fiberglass
Production
Years built
First built 1978
Units built
137
Designer
Holman, Pye, Kim Holman
Builder
Seamaster 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.

Islander Yachts 288.51 mSame hull familyNear-identical lengthA Robert Perry-designed masthead sloop with over 400 built, favored by the designer himself for her balanced performance
Watkins Yachts 278.23 mSame hull family0.4 m shorterA masthead sloop with a skeg-hung rudder, offered in rare pilot house and keel-centerboard configurations
Ranger Yachts 29 (Mull)8.71 mSame hull familyNear-identical lengthA 1970s masthead sloop with a skeg-hung rudder, offering a balanced 1.98 capsize screening for coastal cruising
Catalina Yachts 278.18 mSame hull family0.4 m shorterA masthead sloop with 6,662 hulls produced over two decades, serving as a staple of coastal cruising since 1971
Cascade Yachts 278.23 mSame hull family0.4 m shorterA masthead sloop with a fin keel and spade rudder, designed by Robert A. Smith for balanced coastal cruising
Hunter Marine 288.54 mSame hull familyNear-identical lengthA shoal-draft wing-keel cruiser updated from the 28.5, designed for stability and ease of access to shallow waters

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.

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