World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Saint-Lawrence | CASLW | Canada |
| Saint-Léger-le-Petit | FRGPI | France |
| Saint-Léger-sur-Dheune | FRXDH | France |
| Saint-Leu | RELEU | Réunion |
| Saint-Malo | FRSML | France |
| Saint-Martin-d'Ablois | FRDAS | France |
| Saint-Martin-d'Ardèche | FRDAD | France |
| Saint-Martin-de-Ré | FRS2R | France |
| Saint-Martin-la-Garenne | FRTMG | France |
| Saint-Marys | CASMS | Canada |