How is a island different to deserted island?

* A land mass that is surrounded by water.

* Can be any size, from small rocky islets to large continents.

* May or may not be inhabited by humans or animals.

* Can have a variety of different climates and ecosystems.

Deserted island:

* An island that is uninhabited by humans.

* May or may not be visited by humans occasionally, such as for tourism or scientific research.

* Often portrayed in popular culture as a place of isolation and danger.

* Can have a variety of different climates and ecosystems, but are often depicted as being tropical or subtropical.

So, the main difference between an island and a deserted island is that a deserted island is uninhabited by humans. However, there are many other factors that can distinguish between the two, such as size, climate, and ecosystem.