- Saypo
- Schaffer Island
- Schilling
- Schley
- Scholtztown
- Schubring Trailer Court
- Schusters Place
- Sciuchetti Place
- Scobey
- Scott Island
- Scout Island
- Sedan
- Seeley Lake
- Selmes
- Seven Sisters Island
- Seville Colony
- Shady Lane Mobile Home Park
- Shambo
- Shambo Springs
- Shaw Place
- Shawmut
- Shaws
- Sheffels
- Sheffield
- Shelby
- Shelter Island
- Shennum Trailer Court
- Shepherd
- Shepherd Crossing
- Shepherds Trailer Court