- Rainbow Falls
- Rainbow Lakes Estates
- Rainbow Park
- Regal Park
- Riverside Island
- Rocksprings
- Rolling Greens Mobile Home Park
- Rolling Hills
- Rolling Ranches
- Rolling Woods Mobile Home Park
- Ross Prairie
- Rabbit Key
- Rabbit Keys
- Raccoon Key
- Raccoon Key
- Rachel Key
- Ramrod Key
- Rankin Key
- Rattlesnake Key
- Rattlesnake Lumps
- Refuge Key
- Riding Key
- Riptide Trailer Park
- Rock Harbor Marina East Mobile Home Park
- Rock Hole Key
- Rockland Key
- Rodriguez Key
- Roscoe Key
- Rose Key
- Round Key