[1] Historically it appears to have been connected to the mainland via a manmade shingle causeway, parts of which still exist.
[1] The island has been colonised by oak and blackthorn scrub and is home to species including sea lavender and golden samphire plants.
[2] The island is currently a Hampshire and Isle of Wight Wildlife Trust nature reserve.
[3] In 1857 plans drawn up to improve the defences of Portsmouth included building a fortification on the island.
[4] The plans were later modified in the face of improved artillery technology and the fortification was never built.