- Shoemaker
- Shuree
- Sid Place
- Sierra de los Pinos
- Sierra Vista
- Sierra Vista Estates
- Sile
- Silio
- Silver Acres
- Silver City
- Silver Springs
- Sipapu
- Six Mile Gate
- Skyline-Ganipa
- Smith Lake
- Socorro
- Sofia
- Soham
- Solano
- Solo
- Sombrillo
- South Garcia
- South Guam
- South Mill
- South Petaca
- South Spring
- South Spring Acres
- South Valley
- Spaceport City
- Spalding