Chesil and the Fleet

Site overview: The Fleet, on the south coast of England, is the largest example of a lagoonal habitat in England. It is surrounded by the fossil shingle of Chesil Beach. The lagoon is home to two species of eelgrass and three species of tasselweed, including the rare spiral tasselweed.

Designation Status
Last Updated
6 June 2017
MPA Type
Special Area of Conservation
MPA Purpose
areas which have been identified as best representing the range and variety within the European Union of habitats and (non-bird) species listed on Annexes I and II to the Directive


50° 37' 3" North,
2° 32' 40" West

Surface Area

16.36 km2
(6.32 mi.2 )


67.53 km
(41.96 mi.)

Iconic features protected by this site


  • Atlantic salt meadows (Atlantic salt meadows (Glauco-Puccinellietalia maritimae))
  • Lagoons (Coastal lagoons)
  • Annual vegetation of drift lines
  • Mediterranean saltmarsh scrub (Mediterranean and thermo-Atlantic halophilous scrubs (Sarcocornetea fruticosi))