- Oak Grove
- Oaklane Mobile Home Park
- Oak Hill
- Oakland
- Ocean City
- Odessa
- Oak Ridge
- Oviedo
- Oak Gardens Mobile Home Park
- Oak Ridge Mobile Home Park
- Oakridge Mobile Home Park
- Orange Blossom Fellowship Community Mobile Home Park
- Orange Hammock
- Orange Grove Estates
- Oakwood Manor
- O'Hara
- O'Ryans Point on Half Moon Lake
- Oak Crest
- Oak Dale Heights
- Oak Forest
- Oak Gardens
- Oak Glen
- Oak Grove
- Oak Heights
- Oak Hill
- Oak Hill
- Oak Hill Estates
- Oak Hollow
- Oak Knoll
- Oak Landing