- Sandy Island
- Santiague
- Sarah
- Sarah Plantation
- Saranac
- Sardis
- Sardis
- Sarepta
- Sassafras Island
- Sassafras Island
- Satsuma
- Savage Fork
- Savage Island
- Savanne Neuville Island
- Savoie
- Savoy
- Saxonholm
- Scarabin Island
- Scarsdale
- Schooner Island
- Schriever
- Scotlandville
- Scott
- Scott Landing
- Scottsville
- Scout Island
- Seabrook
- Seale
- Searcy
- Sebastopol