Cathedral Rocks, Isle of Man

About this site

Cathedral Rocks on the Isle of Man is one of the Irish Sea's most dramatic dive sites, featuring enormous natural archways and tunnels packed with jewel anemones, huge sea fans, and plumose anemones in brilliant orange and white. The protected waters of the Isle of Man Marine Nature Reserve support exceptional biodiversity, and the site is accessible to intermediate divers on calm tidal conditions.

Best months to dive

Known hazards

Marine life