- Sedge Island
- Short Beach
- Silver Beach
- Smith Island
- South End
- South Meriden
- Southford
- Spectacle Island
- Spring Glen
- Stony Creek
- Stony Island
- Straitsville
- Strathmore Woods
- Sumac Island
- Sunset Point Rocks
- Sherman Corner
- South Chaplin
- South Killingly
- Stetson Corner
- Sandy Point
- Sandy Point
- Saunders Point
- Seal Rock
- Seal Rocks
- Seaside
- Seaside
- Shewville
- Shore Rock
- Silver Falls
- Sixpenny Island