Place
- Latvia8
- Massachusetts Bay (Mass.)8
- Palo Alto (Calif.)8
- Rhode Island Sound (Mass. and R.I.)8
- Woodside (Calif.)8
- Buzzards Bay (Mass. : Bay)7
- Cuba7
- Maine, Gulf of7
- Vietnam7
- Azerbaijan6
- Boston Harbor (Mass.)6
- Hayward (Calif.)6
- New Zealand6
- Placer County (Calif.)6
- Sacramento County (Calif.)6
- Bangladesh5
- Block Island Sound (R.I.)5
- Burkina Faso5
- Calaveras County (Calif.)5
- Cobscook Bay (Me.)5