World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Stansstad | CHSTA | Switzerland |
| Stanstead | GBTED | United Kingdom |
| Stapleford Abbots | GBSBA | United Kingdom |
| Star | USYRX | United States of America (the) |
| Stari Grad | HRSGD | Croatia |
| Starigrad | HRSGR | Croatia |
| Starlight | USRL5 | United States of America (the) |
| Starr | USXAR | United States of America (the) |
| Stary Plzenec | CZSPC | Czechia |
| Stasegem | BESGM | Belgium |