- Stone Mills
- Stony Crest
- Stony Island
- Stroughs Crossing
- Sulphur Springs
- Summerland Group
- Summerland Island
- Summit Trailer Park
- Sunken Rock Island
- Sunnybank
- Sunnyside Island
- Sunset Trailer Park
- Susan Island
- Swan Bay Estates Mobile Home Park
- Sylvan Island
- Seagate
- Sheepshead Bay
- Spring Creek Towers
- Stuyvesant Heights
- Sumner Houses
- Shuetown
- Soft Maple
- Sperryville
- Swancott Mill
- Sacketts Harbor
- Sand Point
- Shaker Crossing
- Sleggs Landing
- Sonyea
- South Avon