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Yachtsnet's archive of boat details and pictures

The following information and photographs are displayed as a service to anyone researching yacht types. HOWEVER THE PHOTOGRAPHS AND TEXT ARE COVERED BY COPYRIGHT, AND MAY NOT BE REPRODUCED WITHOUT THE PERMISSION OF YACHTSNET LTD. Details and photographs are normally based on one specific yacht, but could be a compilation. No reliance should be placed on other yachts of the same class being identical.  Where common variations exist, we have endeavoured to indicate this in these archive details.

Seal 28

Brief details



John Baker (Kenton Forge) Ltd., Exeter, Devon.

The Seal 28 is one of the very few boats under 32 feet to have both a separate aft cabin and wheel steering. Both fin keel annd drop-keel versions were built.


27' 9" excluding rudder

Sail area

393 sq ft main and genoa


21' 9"




9' 9"


2 plus saloon


4' 5" fin or 3' 0" to 4' 9" centreboard version




7,200 lbs


Bukh or Yanmar diesels


2,900 lbs


10 - 20

Keel type

Lift keel or fixed iron fin keel and transom-hung rudder

The Seal 28 was designed by Angus Primrose for John Baker in 1976, and 89 were built between then and 1981/82. The boats were built either with lifting keels or fixed fin keels of nominally 4' 3" or 4' 9" draught. Most boats had a lifting rudder fitted under the counter, the mechanism for which was sometimes troublesome. Later boats including the one illustrated here, had a transom-hung rudder as used on the Seal 850, which was the aft-cockpit variant of the same hull.

The Seal 28 is quite a substantial cruising yacht and packs a lot of accommodation into a 28 foot hull. John Baker advertised the Seal 28 as having seven berths, though the boat would certainly be crowded with seven adults aboard, and the saloon double is just 3 feet wide.

Seal 28s were fitted with either Bukh 10 or 20 hp or Yanmar 15 hp engines.

The hull has pronounced tumblehome, something rarely seen
in todays designs as it is means expensive split hull moulds

Yachts seen here are no longer for sale - the data is online as a free information service for buyers researching boat types. THE PHOTOGRAPHS ARE COVERED BY COPYRIGHT, AND MAY NOT BE REPRODUCED WITHOUT THE PERMISSION OF YACHTSNET LTD.

Go to our brokerage section for boats currently for sale

Saloon headroom was claimed as 6' 1" in the builder's advertising, but except exactly under the main hatch is actually a fraction of an inch under 6 feet. The port saloon berth is 6' 2" long with the forward end extending through the removable panel into the base of the hanging locker, and the starboard berth is 6' 4" long, and extends to make a narrow (36") double.


The forecabin berths are 6' 2" long on the vee, with an infill to make a triangular double.

The aft cabin has two 6' 2" berths, and ports in the coachroof and transom

Seal 28s were fitted with either Bukh 10 or 20 hp or Yanmar 15 hp engines - this being a Yanmar 15 hp.

Engine access is via the saloon, or by a large lifting panel in the cockpit sole,
for access to gearbox, sterngear and batteries.


The extended cheeks at the top of the rudder blade on thsi yacht are a modification to allow an emergency tiller to be fitted

The Seal 28 design manages to pack in an amazing amount into a hull under 28 feet long. The layout works well, and the only real compromises made are berth lengths, although for most people these are adequate.

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