- Spruce Hill Estates
- Spyglass
- Spyglass Island
- Steuart Corner
- Steuart Level
- Stevenson Park
- Stewart Corner
- Stewarts Landing
- Stewarts Purchase
- Stillmeadow
- Stonegate Village
- Stonehaven
- Stoney Hill
- Stoney View
- Stoneybrook Village
- Stonington
- Stony Beach
- Stony Run
- Strawberry Hills
- Sturbridge
- Suburbia
- Sudley
- Sudleys Choice
- Summer Hill Trailer Park
- Summerfield
- Summerhill Park
- Sun Set Knoll
- Sun Valley
- Sunnyfield Estates
- Sunnyview Acres