Land masses entirely surrounded by water.
The island of Mont Saint-Michel has held strategic fortifications since ancient times, and since the eighth century AD has been the seat of the monastery from which it draws its name.top
Santorini is an island in the southern Aegean Sea, about 200 km (120 mi) southeast of Greece's mainland. It is the largest island of a small, circular archipelago which bears the same name and is the remnant of a volcanic caldera. top