Cygnus Marine

Our historical range of boats

 Britannia Yard Penryn, Cornwall.
A History of quality design

the Designer

Gary Mitchell

The youngest son of G Percy Mitchell. Percy was a famous builder of beautiful wooden boats of which he built over three hundred and sixty. They ranged from classic yachts to ferries and fishing boats. After his retirement in 1968 Gary took over the running of the yard in Portmellon, Cornwall and this led to me designing both wood and glass fibre vessels. Gary became the principal designer of the GM range of glass fibre heavy displacement fishing boats for Cygnus Marine of Falmouth, Cornwall and also many other yards. His designs are now in many parts of the UK and the world over.

The Boats

the Historical Range

All the production boats produced between 1972 and 2008


Cygnus Bosscat

The exciting and versatile BOSSCAT design is now in production at CYGNUS MARINE, bringing for the first time a range of planning catamarans to the CYGNUS portfolio.

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Rocket 31

Cygnus Rocket 31

The hull form is a radical departure from the accepted norms which have evolved under the rating rules. The hull lines where conceived by New Zealand yacht designer Jim Young who tempted Greg Peck from Cornwall to build a cedar prototype.

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falmouth working boat

Falmouth Working Boat

The Cygnus Gaffer 29 is based on the Falmouth Working Boat which are traditional gaff cutters, principally designed and built for work. Today, the gaffers still earn their living dredging for oysters under sail, as powered vessels are forbidden by law. The working boat rig has evolved over the decades, resulting in the most efficient and practical rig for such work.

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Cygnus Biscay 36

The BISCAY 36 was originally conceived, quiet simply, as the ideal cruising yacht. Materials were to be carefully selected to achieve this aim both traditional and new, each chosen for its ability to perform its function to the highest standards

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Cygnus SCANYACHT 290

The SCANYACHT 290 has been developed from the world’s most successful wheelhouse sailing cruiser, the Danish LM 27, the 28 footer chosen by over 1,500 original purchasers.

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Cygnus Cyclone Patrol

For any owner looking for a fast, stable. Seaworthy and proven hull design, the new CYCLONE 30 PATROL will simply be impossible to beat.

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Cygnus Tornado Pleasure

The Tornado model from Cygnus Marine is a fast deep vee hull, designed by John Moxham, with a 22 degree dead rise angle, to give a comfortable ride and maintain a good speed in difficult conditions. Available at 26′ and 28′ hull lengths, with variable size of wheel house and cockpit to suit each owner particular requirements.

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Cygnus CY33 PILOT

Based upon the popular and successful semi displacement CYFISH hull design the new moulded ‘PILOT’ superstructure model is aimed at the discriminating owner, who really wants to use his vessel in most conditions all through the year

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Cygnus CyFish 39

In 1985 the CYGNUS CY39 first appeared as a development of the CYFISH 33 hull design from Ian Cullingworth. Since the CY39 has proven to be a reliable and popular semi displacement workboat for a range of applications.

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Cygnus Revenge 38

The CYGNUS Revenge 38 hull combines the load carrying and stability of an advanced wide bodied monohull, along with the improved sea keeping and handling on a “vee” form double chine design.

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vIDEO and Other Media

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A selection of videos and other media from the web about Cygnus Marine boats

Historic Location

contact us

The main site location for CYGNUS MARINE was:

Cygnus Marine Ltd in Penryn, Britannia Yard,6 Annear Road

Obviously we are no longer trading but please click below to find the current builders