Place
- Frenchman Bay (Me.)6
- Nantucket Sound (Mass.)6
- Penobscot Bay (Me.)6
- Vineyard Sound (Mass.)6
- Blue Hill Bay (Me.)5
- Chesapeake Bay (Md. and Va.)5
- Delaware Bay (Del. and N.J.)5
- Ipswich Bay (Mass.)5
- Machias Bay (Me.)5
- Narragansett Bay (R.I.)5
- Saco Bay (Me.)5
- United States5
- Pajaro River (Calif.)4
- Pajaro River Watershed (Calif.)4
- San Mateo County (Calif.)4
- Santa Clara County (Calif.)4
- Washington (D.C.)4
- Wyoming4
- Delaware3
- Florida3