- Snyderville
- Sodus
- Sokol Camp
- Solon
- Solon Center
- Somerset
- Somerset Center
- Somerset Meadows Mobile Home Park
- Somerset Mobile Home Park
- Sonoma
- Soo Hill
- Soo Junction
- South Blendon
- South Boardman
- South Branch
- South Butler
- South Creek Village Mobile Home Park
- South Fairfield
- South Fox Island
- South Government Island
- South Greenwood
- South Gull Lake
- South Haven
- South Haven Highlands
- South Ionia
- South Island
- South Jackson
- South Lyon
- Isla Manitou del Sur
- South Monroe