- Springport
- Spruce
- Sand River
- Slapneck
- Star
- Stillman
- Sullivans Landing
- Sundell
- Sunrise Landing
- Sandy Pines
- Shady Acres Mobile Home Park
- Shangrai-La Mobile Home Park
- Sherman Park
- Shorecrest
- Shorewood
- South Haven Highlands
- South Monterey
- Spring Grove
- Swan Lake Mobile Estates
- Scarecrow Island
- Spratt
- Sugar Island
- Sulphur Island
- Sunrise Estates Mobile Home Community
- Schultz
- Stoney Point Trailer Park
- Saganing
- Santiago
- Saginaw Bay Estates Mobile Home Park
- Seidlers