World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Spycker | FRSPK | France |
| Squamish | CASQA | Canada |
| Sremski Karlovci | RSSKA | Serbia |
| Sri Medan | MYSME | Malaysia |
| Sroczyn | PLSY2 | Poland |
| St Agnes | GBAIS | United Kingdom |
| St Andrews | GBSNW | United Kingdom |
| Stackpole Quay | GBSPQ | United Kingdom |
| Stad aan 't Haringvliet | NLSAT | Netherlands |
| Stade | DESTA | Germany |