- Stoney Point
- Sun Valley Mobile Home Estates
- Sunset Beach
- Saddlebrook Farms Manufactured Home Community
- Selkirk Mobile Home Park
- Sherwood Forest Mobile Home Park
- Sugarloaf Mobile Home Park
- Sharon
- Sigma
- Smithville
- Spencer
- Segwun
- Sheffield
- Solon Center
- Southwood Village Mobile Home Park
- Spring Valley Mobile Home Park
- Standale
- Salt Island
- Savage Island
- Schooner Island
- Seneca
- Shaw Island
- Shiverette Island
- Siskiwit Islands
- Smith Island
- Smithwick Island
- Snowshoe
- South Government Island
- Split Island
- Star Island