- Irongrape Hammock
- Iroquois Park
- Irvin Hammock
- Irvine
- Irvine Heights
- Irvinton Heights
- Isabel Estates
- Isabellas Place Mobile Home Park
- Isla del Sol
- Isla Dorada
- Isla-Gold Mobile Home and Recreational Vehicle
- Isla Gold Mobile Home Park
- Isla Grande
- Islamorada
- Island Cay
- Island Ford Lake Beach
- Island Grove
- Island Homes
- Island Lakes Mobile Home Park
- Island Pond Estates
- Island Thirty-three
- Island Vista Estates Mobile Home Park
- Island Walk
- Island Walk
- Islandia
- Isle of Normandy
- Isle of Palms
- Isle of Palms
- Isle of Palms South
- Isle of Sicily