- Sturwood Hamlet
- Samptown
- Sand Hills
- Sand Hills
- Sayerwood South
- Sayre Woods
- Sayreville Station
- Schalks
- Shore Road Estates
- Shore View
- South Amboy Junction
- South Brunswick Terrace
- Spotswood Manor
- Stelton
- Salem Hill
- Sands Point
- Sedge Island
- Sedge Island
- Shacks Corner
- Shark River Island
- Sharon
- Shrewsbury
- Shrewsbury Island
- Siloam
- Skeleton Hill Island
- Smocks Corners
- South Island
- Spring Mill
- Spring Valley
- Squankum