| Country | France (FR) |
| UN/LOCODE | MRN |
| Name | Marans |
| Name Without Diacritics | Marans |
| Region | 17 |
| Function Code | 1------- |
| Function | Port |
| Status Code | AF (Approved by National Facilitation Body) |
| Date | 1901 |
| Timezone | Europe/Paris |
| Location (UN Format) | 4618N 00100W |
| Latitude Longitude | 47.63, -0.85 |