World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Port Stanvac | AUPST | Australia |
| Port Sudan | SDPZU | Sudan (the) |
| Port Sulphur | USSUL | United States of America (the) |
| Port Sultan | OMSUL | Oman |
| Port Sunlight | GBPSU | United Kingdom |
| Port Talbot | GBPTB | United Kingdom |
| Port Tewfik | EGPTK | Egypt |
| Port Townsend | USTWD | United States of America (the) |
| Port Victoria | SCPOV | Seychelles |
| Port Vila | VUVLI | Vanuatu |