World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Mawlamyine (Moulmein) | MMMNU | Myanmar |
| Mawson Station | AQMAW | Antarctica |
| Maxau | DEMXA | Germany |
| Maximiliansau | DEMXM | Germany |
| Mayabandar | INMYB | India |
| Mayaguana Island | BSMYG | Bahamas |
| Mayagüez | PRMAZ | Puerto Rico |
| Maydon Whart | ZAMWT | South Africa |
| Maydown | GBMYN | United Kingdom |
| Maylandsea | GBMYS | United Kingdom |