island

No man is an Iland, intire of it selfe; every man is a peece of the Continent, a part of the maine; […]

Despite its name, Barry Island is actually a peninsula

an island of tranquility

(a calm place surrounded by a noisy environment)

the island in the middle of a roundabout

Dunton island, near Birmingham, is one of the most confusingly labelled islands in the U.K.

A short, rather studious young woman on noticing him moved from behind an island counter.

Adverbial subordinate clauses are islands for extraction: "They have a billion dollars of inventory that they don't know where *(it) is".