- Sterling Forest
- Sable Island
- South Black Banks Hassock
- South Brother Island
- South Dumpling
- South Easton
- South Hornell
- South Ilion
- South Line Island
- South Olean
- Sabael
- Sabattis
- Sabbath Day Point
- Sabre Springs
- Sacandaga Meadows Mobile Home Park
- Sacandaga Park
- Sackets Harbor
- Sacketts Harbor
- Saddle Rock
- Saddle Rock Estates
- Sag Harbor
- Sagamore
- Sagamore Island
- Sagaponack
- Sages Crossing
- Sagetown
- Sails Point Hassock
- Saint Albans
- Saint Andrew
- Saint Bonaventure