Recognized by the Guinness World Records as the world's smallest island with a building (a lighthouse).
Holds a single house, tree, and a small beach. It's part of the Thousand Islands on the US-Canada border.
While not a typical “island,” it is the smallest country in the world and often metaphorically included due to its compactness and independence.
Often claimed to be the smallest official island in Indonesia, accessible by a footbridge from Singkawang, Borneo.
The third smallest country in the world and the smallest island nation without a capital. Known for phosphate mining and unique geography.