Selsey Bill and the Hounds

Site overview: This site measures 13 km2; in the south east of the site is the Mixon Hole, a dramatic 20m drop in the seafloor exposing clay cliffs capped with limestone and supporting a rich diversity of habitats. This is an important fish nursery and feeding ground. Seals have been known to forage for food here and bottlenose dolphins swim through.
At risk:  ! This site is at risk, it currently is not designated as a Marine Conservation Zone, a type of 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.
Beneath the waves:
Seasearch, a nationwide network of scientifically trained scuba divers, completed a report on this site in 2012.

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° 43' 3" North,
0° 47' 47" West

Surface Area

12.80 km2
(4.94 mi.2 )


19.37 km
(12.04 mi.)

Iconic features protected by this site