Place
- Santa Clara County (Calif.)1
- Santa Cruz County (Calif.)1
- Saudi Arabia1
- Seychelles1
- Shasta County (Calif.)1
- Sierra Valley (Calif.)1
- Singapore1
- Siskiyou County (Calif.)1
- Slovakia1
- Slovenia1
- Solano County (Calif.)1
- Somalia1
- Sonoma County (Calif.)1
- South America1
- South Atlantic Ocean1
- South Pacific Ocean1
- Southern Yemen1
- Soviet Union1
- Stanislaus County (Calif.)1
- Suriname1