World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Maizuru | JPMAI | Japan |
| Majene, Sv | IDMAJ | Indonesia |
| Maji Shan | CNMJS | China |
| Majiadian | CNMJD | China |
| Majistan/Zhoushan | CNMAJ | China |
| Majunga (Mahajanga) | MGMJN | Madagascar |
| Majuro | MHMAJ | Marshall Islands (the) |
| Makala | CDMKL | Congo, The Democratic Republic of the |
| Makar/Dadiangas | PHMAK | Philippines (the) |
| Makarovo | RUMKR | Russian Federation (the) |