Masthead Sloop · Fin keel, spade rudder · First built 1975
A 1975 masthead sloop with a high sail-area-to-displacement ratio, designed for spirited performance in a compact 7-meter frame
LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Fin w/spade Rudder
Is it for you?
Character
Where this design lands on the numbers a shopper trusts — read straight from her own ratios.
TrailerableBeam 2.44 m — inside the 2.55 m no-permit tow width across most of Europe, and the 2.59 m US and Canadian limit. About 1,497 kg of hull, so roughly 2,100 kg on a trailer: check that against your own towing rating.Shoal draftDraws 1.07 m, board up where she has one — creeks, sandbars and thin anchorages most keels have to stay out of.
LivelySea-kindly
Her moderate displacement on a moderate beam gives 16 — a quick, lively motion that feels every wave.
Comfort ratio 16
CoastalBluewater
2.15 — right around the 2.0 line, the edge between coastal and offshore.
Capsize screening 2.15
LightHeavy
218 — moderately heavy for her waterline, a balanced cruising weight.
Displacement / length 218
EasygoingPowered-up
19.8 — plenty of sail for her weight; lively and quick to respond.
Sail area / displacement 19.8
TenderStiff
36% of her weight is ballast — moderately stiff, a middle-of-the-road stability.
Ballast 36%
Powered-up and quick to accelerate — this one likes to sail.
The record
Full specifications
The complete reference set — tap any figure to switch between metric and imperial.
Dimensions
Weights
Ballast / displacement
36.4%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
19.8
Displacement / length
217.5
Comfort ratio
15.9
Capsize screening
2.15
Hull speed
5.8 kn
Pounds / inch immersion
541
Hull
Hull type
Fin w/spade rudder
Construction
Fiberglass
Ballast type
Lead
Production
Years built
First built 1975
Builder
El Mar Boat Co
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.
Halcyon 236.93 mSame hull familyNear-identical lengthA triple-keeled masthead sloop by Alan H. Buchanan, offering shallow-draft versatility based on the earlier Crystal 23
Cal 257.62 mSame hull family0.6 m longerA flush-deck masthead sloop featuring a pop-top companionway that became one of the most popular models in the fleet
Comet 7707.70 mSame hull family0.7 m longerA Jean-Marie Finot-designed IOR quarter-tonner with a high sail-area-to-displacement ratio for spirited club racing
J Boats Tillotson Pearson J/247.32 mSame hull family0.3 m longerThe world's most popular one-design keelboat, featuring a light 1406kg displacement for responsive, agile handling
Dehler Yachts 25CR7.50 mSame hull family0.5 m longerA Van de Stadt-designed fractional sloop with a high sail area-to-displacement ratio built for spirited performance
Martinique 257.70 mSame hull family0.7 m longerA Brazilian-built masthead sloop with a 44% ballast ratio, offering a stiff and stable platform for coastal cruising
