- South Plymouth
- Springvale
- Stanbro
- Sweets
- Sciola
- South Acres Mobile Home Park
- South Junction
- South Plattsburgh
- Standish
- Stevens Landing
- Stony Acres Mobile Home Park
- Swastika
- Silvernails
- Snyderville
- Spaulding Furnace
- Stockport
- Stockport Middle Ground
- Stones Mobile Manor
- Stuyvesant Falls
- Sunnyside
- Scott
- Slab City
- Solon
- South Cortland
- Shackport
- Simpsonville
- South Unadilla
- Stilesville
- Sturges Corner
- Scenic View Trailer Park