World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Saint-Stephen | CASTS | Canada |
| Saint-Sulpice | CHSSV | Switzerland |
| Saint-Thibault-des-Vignes | FRVIG | France |
| Saint-Thomas | CASTH | Canada |
| Saint-Tite | CAZTI | Canada |
| Saint-Trojan-les-Bains | FR5TB | France |
| Saint-Tropez | FRSTP | France |
| Saint-Urcisse | FRUCS | France |
| Saint-Usage | FRTUA | France |
| Saint-Vaize | FRXCS | France |