World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Mammendorf | DEMMF | Germany |
| Mamming | DEMMI | Germany |
| Mamonal | COMAM | Colombia |
| Mamoudzou | YTMAM | Mayotte |
| Mamuju | IDMJU | Indonesia |
| Manacapuru | BRMPR | Brazil |
| Manado | IDMDC | Indonesia |
| Manage | BEMAN | Belgium |
| Manailih | SAMAN | Saudi Arabia |
| Manakara | MGWVK | Madagascar |