- S C Townhouse Mobile Home Estates
- Sacate
- Sacaton
- Sacaton Flats
- Saddle
- Saddle Island
- Saddlebrooke
- Saddlehorn Ranch
- Safari Mobile Home Park
- Safford
- Safford Ranch Mobile Home Park
- Sagewood
- Saginaw
- Saguaro Mobile Home Park
- Sahara Mobile Home Park
- Sahuarita
- Sahuarita Heights
- Saint David
- Saint Johns
- Saint Johns Mission
- Saint Joseph Youth Camp
- Saint Michaels
- Salado
- Salina
- Salome
- Salt River
- Salt River Pima-Maricopa Indian Community
- San Agustin
- San Carlos
- San Gabriel