Seamaster 19

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Design No. 0611
Built for: Various owners
Builder: Seamaster Ltd., Great Dunmow, England.
Date designed: 1971
Class – Hull Number Seamaster 19 Class No. 1
Principal Design Data
L.O.A: 19’ 0 ( 5.79 m)
Datum: 16’ 3″ ( 4.95 m)
Beam Max: 7’ 0″ ( 2.13 m)
Draft: 3′ 3″ ( 0.99 m)
Displacement tons: 1.44
T.M.: 3.13 tons
Ballast ratio: 50.0%
Sail Area: 186 sq. ft
Rig: Bermudan sloop

In 1971 when Seamaster Ltd. introduced their new Giles designed 19 footer they had already built up a big following for the larger Laurent Giles designed Seamaster Sailer 23 (see design number 0589).
This smaller, addition to the Seamaster range was offered with a choice of shallow draft (2’ 6” with the centerboard raised) or deep 3’ 3” fin keel. Twin keels had been offered but with no inquiries these were never actually manufactured. The rudder was transom hung which provided more space in the cockpit and combined with her 50% ballast ratio she exhibited a generally more ‘sporty’ feel than her larger sister.
The price tag in 1972 for the ‘standard’ boat with 6 h.p. inboard engine was £1850.00 – £200 less without the engine. Quite remarkably the interior layout had been arranged for four berths; the two saloon berths extending into the quarters beneath the cockpit seats.
Laurent Giles, always known for imaginative and innovative yacht design later modified the stern and rudder arrangement: extending the waterline slightly with a forward raked transom.
If you currently own one of these magnificent little yachts we would be very pleased to hear from you.


We are currently updating the online purchase facility. For those of you who would like to buy copies of the original historical drawings, plan for the construction of scale models, stock plan sets for full size construction, study notes or our brochure please contact us stating which design and items you require. We will do our best to help.

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Additional Information

Individual Drawing Copies

Please download and print the drawings list for the Seamaster 19 Individual plan copies cost $85.00 which includes standard airmail. Please contact us using the link for information on how to order.

Download Drawing List

Model Plans

Full set of Stock Building Plans

The second hand price of a Seamaster 19 is roughly the same as the original purchase price, so we very much doubt that anyone would contemplate building one of these yachts today. However there are very few around and if someone is inspired they can purchase a complete set of updated construction drawings (G.R.P or strip plank) with full size hull frame templates, and rig, sail plan and outfit drawings.
Just click on contact us on our home page, send a short message with the title ‘Seamaster 19 stock plans’ and we will be happy to help.

Poster & Art Prints