South of Celtic Deep

Site overview: This is an offshore site located off the north coast of Cornwall and covers an area of 552 km2. The western boundary lines up with the UK Continental Shelf Limit. The south-eastern tip of the site isapproximately 90 km to the north-west of Land’s End. The majority of the site is 50 meters deep, with two small areas dipping below 100 meters. This is an important spawning and nursery area for fish, and is also home to the ocean quahog - a type of clam which can live for up to 400 years!
At risk:  ! This site is at risk, it currently is not designated as a Marine Protected Area - but should be. Decision makers in England will determine in 2017 if this site should be protected, make sure your voice is heard. Take action to ensure this site becomes a properly protected area.

Designation Status
Last Updated
6 June 2017
MPA Type
Marine Conservation Zone
MPA Purpose
to protect nationally important marine wildlife, habitats, geology and geomorphology


50° 57' 42" North,
6° 38' 4" West

Surface Area

552.41 km2
(213.29 mi.2 )


108.59 km
(67.48 mi.)

Iconic features protected by this site