- Seaboard
- Seaforth
- Seagate
- Seagate
- Seagate (historical)
- Seagrove
- Sealevel
- Seaside
- Secession
- Sedalia
- Sedge Garden
- Sedge Island
- Sedge-Town
- Sedgefield
- Sedgefield
- Sedgefield Apartments
- Seeshore
- Sega Lake
- Selica
- Selma
- Selwin
- Seminole
- Semora
- Senter
- Sessex
- Seven Creeks
- Seven Devils
- Seven Lakes
- Seven Paths
- Seven Springs