- Sandy Island
- Savage Island
- Savage Town
- Savageville
- Saxis Island
- Scarborough Island
- Schooner Bay
- Scott Island
- Sedge Island
- Shad Landing
- Shanks Island
- Shields
- Sign Post
- Sinnickson
- Smith Hammocks
- Smithville
- Southside Chesconessex
- South Point
- Shadwell Estates
- Shadwell Mountain
- Sherwood Farms
- Sherwood Manor
- Simeon
- Skyline Crest
- Sleepy Hollow Mobile Home Park
- Sneads Mobile Home Park
- Solaris
- Southwood Estates Mobile Home Park
- Springfield
- Squire Hill