Crystal Island may refer to:
- Crystal Island (building project), a future building project in Moscow, Russia
- Crystal Island: Uncharted Discovery, an educational video game
- Crystal Island: Lost Investigation, an educational video game made by the same group as the first
- Crystal Island (Ontario), an island in the Detroit river
- Crystal Island (game), a 1990s heroic fantasy play-by-mail game similar to Dungeons & Dragons.
This disambiguation page lists articles associated with the title Crystal Island.
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