Place
- Rocky Mountains1
- Sacramento County (Calif.)1
- Saint-Côme--Linière, Canada1
- Saint-Jean-sur-Richelieu, Canada1
- Saint-Laurent, Canada1
- Saint-Léonard, Canada1
- Sakonnet River (R.I.)1
- San Francisco Bay Area1
- Searsville Lake (Calif.)1
- Smithers, Canada1
- Sonoma County ( Calif.)1
- Spruce Grove, Canada1
- Stellwagen Bank National Marine Sanctuary (Mass.)1
- Stephenville Crossing, Canada1
- Swift Current, Canada1
- Taunton River (Mass.)1
- Tehama County (Calif.)1
- Ten Mile River (Mass.)1
- Terrebonne, Canada1
- Tomales Bay (Calif.)1