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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.

Sigma 36

Brief details



Built for Sigma Yachts, Hayling Island by Marine Projects, Plymouth

The Sigma 36 was designed as a fast cruiser-racer in the days when racers were also expected to be comfortable (but fast) cruisers. Sigma 36s tend to be cheaper than the cruising Sigma 362s based on the same hull, mostly because many have had a hard racing life. The main differences between the 36 and 362 are that the 362 has a door to the aft double berth forming a separate cabin, and the 362 is masthead rigged rather than fractional as on the 36.


36' 0"

Sail area

741 sq ft


28' 9"




11' 6"




6' 1"




12,300 lbs


Volvo 2003 diesel


4,900 lbs



Keel type

Iron fin keel and spade rudder

Sigma 36 sailplan

Following the considerable success of his one-design Sigma 33 cruiser-racer, introduced in 1978 as the first Sigma model, David Thomas designed the larger Sigma 36 in 1980/81 with the aim of repeating the success with a bigger version, though there was probably never any intention to market the 36 as a one-design racer.

The wide beam of the Sigma 36 gives spacious accommodation, including a large aft double berth under the cockpit. Like virtually all David Thomas designs, the Sigma 36 is close-winded and fast, yet is easy enough to handle and sail to make a good long-distance cruiser. 'Yachting Monthly' reviewed the design in 2001, commenting "....the Sigma 36 is beautiful to sail. There are not many yachts that can compare. She gives a huge feeling of security .... backed up by fabulous handling"

The Sigma 36 was later reworked into the Sigma 362 fast cruiser, with a slightly detuned rig and a modified interior, with larger heads and an aft cabin separated by a door.

Sigma 36 for sale
Sigma 36 for sale
Sigma 36 for sale
Saloon aft

The aft double berth is 6' 7" long and 4' 9" wide

Most Sigma 36s were tiller steered, though some have been fitted with wheel steering.


Quite a number of Sigma 36s have been extensively cruised, one of the
boats illustrated here having had a Hydrovane self-steering gear fitted

Sigma 36 for sale with Hydrovane self-steering

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