- Indian Island
- Image
- Ireland
- Impach
- Indian Island
- Illia
- Iron Springs
- Indian Beach
- Island Park Manufactured Home Park
- Indian Island
- Inglesea
- Inglewood
- Inglewood Estates Mobile Home Park
- Inglewood-Finn Hill
- Illahee
- Islander Mobile Home Park
- Island Number 18 (historical)
- Indian Island
- Interlake Island
- Interlaken
- Island A
- Island B
- Island Twentyone
- Ione
- Iceberg Island
- Iowa Rock
- Islandale
- Ika Island
- Indian Village
- Ives Island