- Sea Ranch Lakes
- Seaboard Mobile Home Park
- Seabreeze
- Seabreeze
- Seabreeze Island
- Seabreeze Trailer Park
- Seabron
- Seaburg Hammock
- Seacoll
- Seacrest
- Seaglades
- Seagrape Hammock
- Seagrove Beach
- Seahorse Key
- Seahorse Mobile Home Park
- Sears
- Seascape
- Seaside
- Seaside Resort Mobile Home Park
- Sebastián
- Sebastian
- Sebring
- Sebring Gardens Trailer Park
- Sebring Mobile Estates
- Sebring Resort Mobile Home Park
- Sebring Shores
- Sebring Village Mobile Home Park
- Secotan
- Sedita
- Sedona de Avila