- Illgen City
- Indian Grave Island
- Isles of Pine
- Imogene
- Indus
- Inger
- Inguadona
- Isabella
- Island Fifty
- Island Forty
- Island Fortyeight
- Island Fortythree
- Island Thirtyeight
- Island Thirtyfive
- Island Thirtynine
- Island Thirtyseven
- Island Thirtysix
- Island Thirtythree
- Island Thirtytwo
- Inglewood
- Idington
- Idle Hour Island
- Indian Island
- Indian Island
- Indian Island
- Ingersolls Island
- Island
- Isle of Pines