Place
- Louisiana2
- Michigan2
- Nantucket Sound (Mass.)2
- New York Harbor (N.Y. and N.J.)2
- Northeastern States2
- Ohio2
- Oklahoma2
- Penobscot Bay (Me.)2
- Puerto Rico2
- San Francisco Bay Area2
- United States Virgin Islands2
- Utah2
- Vineyard Sound (Mass.)2
- Washington (State)2
- American Samoa1
- Block Island (R.I. : Island)1
- Blue Hill Bay (Me.)1
- Boothbay Harbor (Me.)1
- Champlain, Lake1
- Delaware Bay (Del. and N.J.)1