Place
- Contra Costa County (Calif.)7
- Frenchman Bay (Me.)7
- Nantucket Sound (Mass.)7
- Penobscot Bay (Me.)7
- Vineyard Sound (Mass.)7
- Antarctica6
- Blue Hill Bay (Me.)6
- Delaware Bay (Del. and N.J.)6
- Ipswich Bay (Mass.)6
- Machias Bay (Me.)6
- Narragansett Bay (R.I.)6
- Saco Bay (Me.)6
- Santa Barbara County (Calif.)6
- Santa Clara County (Calif.)6
- American Samoa5
- Chesapeake Bay (Md. and Va.)5
- Guam5
- Monterey County (Calif.)5
- North America5
- Solano County (Calif.)5