Registration number 2853
Status Registered


Function Leisure Craft
Subfunction Yacht
Location Lyndhurst
Vessel type Yawl
Current use Private use
Available to hire No
Available for excursions No


Builder Sibbick, Charles & Co, Cowes
Built in 1906
Hull material Wood
Rig Bermudan Yawl
Number of decks 1
Number of masts 2
Propulsion Motor
Number of engines 1
Primary engine type Diesel
Boiler type None
Boilermaker None


Length: Overall
57.33 feet (17.48m)
Breadth: Beam
10.17 feet (3.10m)
7.33 feet (2.24m)
Air Draft
70.00 feet (21.34m)
Tonnage: Gross


THALASSA is a leisure craft of carvel pitch pine construction built by Charles Sibbick of Cowes in1903 but following bankruptcy was completed by Fays in Southampton in 1906. She was raced successfully until the late 1950s and competed in at least 3 Fastnet Races. Her rig, originally gaff on both main and mizzen, was changed many times by early owners. She was at one point part owned by John Illingworth and mentioned by him in his book 'Offshore'.

Key dates

  • 1903

    Built by Charles Sibbick of Cowes

  • 1906

    Completed by Fays, Southampton

  • 1950s

    Raced successfully until late 1950s, competing in at least 3 Fastnet races

  • 2009

    Owned continuously between 1936 and 2009 by members of Sewell family

  • 2015

    In private use based at Gosport, Hampshire

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