- Iceboro
- Idle Isle
- Indian Island
- Indian Island
- Indian Island
- Indian Island
- Indian Island
- Indian Island
- Indian Island
- Indian Island
- Indian Landing
- Indian Ledge
- Indian Point
- Indian Point Island
- Indian River
- Indian Rock
- Indiantown Island
- Ingalls
- Ingalls Island
- Inner Duck Rock
- Inner Hardwood Island
- Inner Heron Island
- Inner Island
- Inner Island
- Intervale
- Ireland Corner
- Irish Settlement
- Iron Island
- Ironbound Island
- Irony Island