- Saienni Farms
- Saint Georges Heights
- Salem Village
- Salem Woods
- Sedgley Farms
- Sharpley
- Sheffield Manor
- Shellburne
- Shelley Farms
- Shenandoah
- Sheridan Square
- Sherwood Forest
- Sherwood Park
- Shingle Landing
- Shipley Chase
- Shipley Heights
- Shipley Ridge
- Shipley Woods
- Silver Brook
- Silver Springs
- Silverbrook
- Silverbrook Gardens
- Silverside
- Silverside Heights
- Silview
- Simonds Gardens
- Skyline Crest
- Skyline Orchard
- Skyline Ridge
- Smith Mill Farms