- Southport
- Springs
- Springville
- Stamford
- Stillwater
- Sylvan Beach
- Sandy Harbour Beach
- Sea Breeze
- Sebastian Mobile Home Park
- September Place Mobile Home Park
- Seth Green Island
- Shore Acres
- Sibleyville
- Snider Island
- South Chili
- South Greece
- Summerville
- Sunset Valley Manufactured Home Community
- Sweden Center
- Salt Springville
- Sand Hill
- Scotch Bush
- Scotch Church
- Shady Lane Mobile Home Park
- South Amsterdam
- Sprakers
- Sprout Brook
- Stone Arabia
- Stone Ridge
- Swart Island