- Salem
- Salisbury
- Sidney
- Smyrna
- South Hill
- Southampton
- Spencer
- Spring Valley
- Salamanca
- Savona
- Seaford
- Sherman
- Silver Springs
- Southport
- Springs
- Springville
- Stamford
- Stillwater
- Sylvan Beach
- Sterling Forest
- Sable Island
- South Black Banks Hassock
- South Brother Island
- South Dumpling
- South Easton
- South Ilion
- South Line Island
- South Olean
- Sabael
- Sabattis