Place
- Rhode Island Sound (Mass. and R.I.)1
- Romania1
- Russia (Federation)1
- Sacramento County (Calif.)1
- San Francisco (Calif.)1
- San Francisco County (Calif.)1
- Saudi Arabia1
- Seychelles1
- Singapore1
- Slovakia1
- Slovenia1
- Somalia1
- South America1
- South Atlantic Ocean1
- South Pacific Ocean1
- Southern Yemen1
- Soviet Union1
- Suriname1
- Sweden1
- Switzerland1