World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Mercedes/Jose Panganiban | PHMCD | Philippines (the) |
| Meredith | USMD5 | United States of America (the) |
| Meredosia | USOIS | United States of America (the) |
| Merelaiu | EEMRL | Estonia |
| Merelbeke | BEMRL | Belgium |
| Merendree | BEMRD | Belgium |
| Mergui | MMMER | Myanmar |
| Mérida | MXMID | Mexico |
| Mérifons | FRME4 | France |
| Mérignat | FRMR6 | France |