Seaports
| Seaport Name | Seaport Code | Country |
|---|---|---|
| Mostaganem | DZMOS | Algeria |
| Mossamedes | AOMSZ | Angola |
| Mocambes | AOMSZ | Angola |
| Malongo | AOMAL | Angola |
| Melbourne | AUMEL | Australia |
| Mackay | AUMKY | Australia |
| Milner Bay | AUGTE | Australia |
| Mongla | BDCHL | Bangladesh |
| Manaus | BRMAO | Brazil |
| Madre De Deus | BRMDD | Brazil |
| Maceio | BRMCZ | Brazil |
| Moudi Terminal | NGMOT | Cameroon |
| Moudi Terminal | NGMOT | Cameroon |
| Montreal | CAMTR | Canada |
| Mont Louis | CAMOL | Canada |
| Matane | CAMAN | Canada |
| Maitland Harbour | CAMAT | Canada |
| Maitland (Port) | CAMAT | Canada |
| Moncton | CAMNT | Canada |
| Mamonal | COMAM | Colombia |