World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Monmouth | USOO9 | United States of America (the) |
| Monmouth Beach | USM9O | United States of America (the) |
| Monnières | FRUJK | France |
| Monnières | FRPKM | France |
| Monoi | JPMOX | Japan |
| Monopoli | ITMNP | Italy |
| Monroe | USM4X | United States of America (the) |
| Monrovia | LRMLW | Liberia |
| Mons | BEMQS | Belgium |
| Monserrat | ESNRT | Spain |