- Saddlebrook Farms Manufactured Home Community
- Saganing
- Saginaw Bay Estates Mobile Home Park
- Saginaw Township North
- Saginaw Township South
- Saginaw Valley Mobile Home Park
- Saginaw Village Mobile Home Park
- Sagola
- Saint Anthony
- Saint Clair Haven
- Saint Clair Place Mobile Home Park
- Saint Elmo
- Saint Helena Island
- Saint Huberts
- Saint Jacques
- Saint James
- Saint Johns Mobile Home Village
- Saint Ledger Island
- Saint Martin Island
- Saint Martin Islands
- Saint Nicholas
- Saint Vital Island
- Salem
- Salisbury
- Salmon Trout
- Salt Island
- Saltonstall Island
- Salva
- Sam Island
- Samaria