More descriptive terms:
* Islet: This is a common word for a very small island.
* Caye: A low, sandy island, often found in the Caribbean.
* Atoll: A ring-shaped coral reef that encloses a lagoon.
* Key: A small island, especially in the Caribbean or Florida Keys.
Words with different meanings but could describe a small island:
* Isle: This is a synonym for "island," and can sometimes be used for a small island.
* Rock: While often referring to a large stone, it can also describe a small, rocky island.
Other possibilities:
* Mini island: A playful, informal way to describe a small island.
* Tiny island: Another informal way to emphasize the small size.
The best spelling depends on the context and the specific type of small island you're referring to.