- Sand Hills
- Sand Island
- Sandersdale
- Sandisfield
- Sandwich
- Sandy Bay Ledge
- Sandy Beach
- Sandy Hill
- Sanford Flat
- Santuit
- Sarah Island
- Sarson Island
- Satan Rock
- Satans Kingdom
- Satucket
- Saturday Night Ledge
- Saugus
- Sauli Rock
- Saundersville
- Savin Hill
- Savoy
- Savoy Center
- Saxonville
- Scat Island
- Schoosett
- Scituate
- Scituate Center
- Scituate Station
- Scorton Ledge
- Scorton Shores