- Indian Creek Islands
- Ilexhurst
- Irvine
- Indianwood Manufactured Housing Community
- Indian Key
- Indian Key Fill
- Ingle
- Indian Town Hammock
- Irvin Hammock
- Isle of Sicily
- Inlikita
- Interama
- Iron Pot Hammock
- Irongrape Hammock
- Isla Dorada
- Isla-Gold Mobile Home and Recreational Vehicle
- Isla Gold Mobile Home Park
- Isla Grande
- Isle of Normandy
- Ike Hammock
- Indian Creek
- Indian Ridge
- Ibis Isle
- Indian Bluff Island
- Indian Key
- Indian Spring Estates
- Innisbrook
- Isla del Sol
- Isle of Palms
- Illinois Trailer Park