- Saint Peters Key
- Saint Pierre Island
- Saint Stephen
- Saint Stephens Estates
- Salem
- Salisbury
- Salisbury Mobile Home Community
- Salopha
- Salt Grass Cove
- Saltworks on the Severn
- Sam Owings Place
- Sam Rice Manor
- Samhill Estates
- Samples Manor
- Sams Creek
- San-Di-Gan
- San Mar
- Sanandrews
- Sand Hill Acres
- Sand Spring
- Sandalwood
- Sanders Park
- Sandgates
- Sandridge
- Sandtop
- Sandy Bottom
- Sandy Bottom
- Sandy Hill
- Sandy Hill Acres
- Sandy Hook