- Saint John
- Sand Island
- Sara
- Scotton Corner
- Sifton
- Squaw Island
- Sunnyside
- Saint Andrews
- Sims Corner
- Sunny Hill
- Supplee
- Sagemoor
- Savage Island
- Schlomer
- Sperry
- Strawberry Island
- Sulphur
- Stentz Spring
- Schwana
- Sieler
- Saginaw
- Sampson
- Sand Island
- Sand Island
- Santiago
- Sea Lion Rock
- Sine
- South Aberdeen
- South Arbor
- South Elma