From the mid 1950s, when they were among the first builders of GRP motor cruisers, through to the late 1970s, Seamaster Ltd were one of the big names in the motorboating world. Their craft still have a large following today, with many of their models in great demand and fetching good prices.
Source MBM October 1997

These are the main Motor Cruisers and Sailers / Yachts in the Seamaster Range of boats. Click on the picture for more details of a particular model.

17 Cub	17 Open Day-boat	Original 20/21	20 4-berth	20 Captain
23 Cruiser	725 Family Cruiser	24 Cadet Mk 1	25 Cadet Mk 2	25 Admiral
26 Commander	27	813	820	8 Metre
28 Commodore	30	950	34	1125

and these are the main models of Sailer / Yacht built by Seamaster.

Sailer 19	Sailer 23	Sailer 815	Sailer 925	Sailer 29
		Sailer 21 We have no other pictures of the Seamaster 21 Sailer. Click here if you can supply one to us.

Caution: It is for the owner and master of any boat to assess safe limits of use for a vessel for themselves. The Seamaster Club does not accept responsibility for the performance or capability of any particular boat.