- South Georgetown
- South Groveland
- South Lynnfield
- South Middleton
- Stanley Island
- Stevens Crossing
- Stone Ledge
- Stone Rock
- Straitsmouth Island
- Suttons Mills
- Searsville
- Shepherd Island
- South Hadley Falls
- South Quabbin Villa
- South Worthington
- Swanson Corners
- Swift River
- Satans Kingdom
- Shirkshire
- Sky Farm
- Smead Island
- Snell Island
- South Ashfield
- South Hawley
- South Wendell
- Spruce Corner
- Stewartville
- Stoneville
- Sunderland
- South Monson