World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Mountain | USMU4 | United States of America (the) |
| Mouping | CNLPG | China |
| Moupingyangmadao | CNMYM | China |
| Mourente | ESM8U | Spain |
| Mourilyan | AUMOU | Australia |
| Mousehole | GBMSH | United Kingdom |
| Moutsoúna | GRMOU | Greece |
| Mouy-sur-Seine | FRYUS | France |
| Moville | IEMOV | Ireland |
| Mowbray Heights | AUMOW | Australia |