- Sheenwater
- Sheepshead Bay
- Sheepshead Island
- Shekomeko
- Shelby Basin
- Shelby Center
- Sheldon
- Sheldon Center
- Sheldon Hall
- Sheldrake
- Sheldrake Springs
- Shelley Trailer Park
- Shelter Island
- Shelter Island
- Shelter Island Heights
- Shelter Valley Mobile Home Park
- Shenandoah
- Shenorock
- Shepard Settlement
- Shepards Corner
- Sherburne
- Sherburne Four Corners
- Sheridan
- Sherlock Corners
- Sherman
- Sherman Park
- Shermans Bay
- Sherrill
- Sherwood
- Sherwood Forest