- Sabin
- Sager Island
- Saint Anna
- Saint Anthony
- Saint Catherines Bay
- Saint Cloud
- Saint Croix Falls
- Saint Croix Meadows Mobile Home Park
- Saint Feriole Island
- Saint Francis
- Saint Germain
- Saint John
- Saint Joseph
- Saint Kilian
- Saint Lawrence
- Saint Martins
- Saint Marys
- Saint Michaels
- Saint Nazianz
- Saint Peter
- Saint Rose
- Salem
- Salem
- Salem Oaks
- Salmo
- Salona
- Sampson
- Sanborn
- Sand Bay
- Sand Creek