- Shady Lane Trailer Court
- Smittys Mobile Home Plaza
- Sandridge
- Saint Michael
- Sartoria
- Sheens Trailer Court
- Sun Valley Trailer Court
- South Side Mobile Home Park
- Saint Helena Island
- Saint James
- South Yankton
- Sweetheart Trailer Court
- School Island
- Sheep Island
- Sunset Acres
- Saint Charles
- Shady Elm Trailer Court
- Stahr Trailer Court
- Saint Johns Trailer Court
- South Broad Trailer Court
- Saint Helena
- Saint Paul
- Salem
- Santee
- Scotia
- Seneca
- Shelby
- Shelton
- Sidney
- Smithfield