A civil parish (served by St James, Isle of Grain Parish Council) on the eastern part of the Hoo Peninsula in Medway borough, Kent, England.

An island area, the larger northern part of Lewis and Harris, in the Outer Hebrides, Western Isles council area, Scotland.

An island and special municipality south of the island of Cuba, across the Gulf of Batabanó.

A large island in the Firth of Clyde, North Ayrshire council area, Scotland.

Misspelling of Isle of Wight.

A barrier island in Jefferson Parish, Louisiana, United States, on the coast of the Gulf of Mexico / A town in Jefferson Parish, Louisiana, United States, on the eponymous island

A peninsula (not an island) on the coast of Dorset, England.

An island and crown dependency of the United Kingdom in the Irish Sea, part of the British Isles but not of the United Kingdom.

An island off the north coast of Kent, England, in the Thames estuary.

An island, county and unitary authority off the south coast of England in the English Channel opposite Southampton.