Spatial Coverage
- Irago Strait (Japan)2
- Iraq2
- Ise Bay (Japan)2
- Israel2
- Java Sea (Indonesia)2
- La Paz County2
- Labrador2
- Long Island Sound (N.Y. and Conn.)2
- Macedonia (Republic)2
- Madison County2
- Magallanes y Antártica Chilena (Antarctica)2
- Malacca, Strait of2
- Marseille2
- Massachusetts2
- Michigan2
- Middle East2
- Minnesota2
- Mokpʻo-si2
- New York (State)2
- Newfoundland and Labrador2
