- Seneca
- Sextonville
- Shady Dell
- Shady Nook Mobile Home Park
- Shamrock
- Shanagolden
- Shangri La Point
- Shantytown
- Shaw Landing
- Shawtown
- Sheep Island
- Shelby
- Shennington
- Shepley
- Sheppard
- Sheridan
- Sherry
- Sherry Junction
- Sherwood
- Sherwood Forest
- Sherwood Forest Heights
- Sherwood Glen
- Shirley
- Shoemaker Point
- Shopiere
- Shorecrest Pointe
- Shortville
- Shoto
- Sidney
- Silica