- Inglewood Park
- Inlet Beach
- Inlikita
- Innergary Point
- Innfields
- Innisbrook
- Interama
- Interbay
- Intercession City
- Intercoastal Estates Mobile Home Park
- Interdonato Place
- Inverness Highlands North
- Inverness Highlands South
- Inwood
- Iola
- Iowa City
- Iowa Trailer Park
- Irma
- Iron Pot Hammock
- 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