World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| São Pedro da Afurada | PTAFR | Portugal |
| São Sebastião | BRSSO | Brazil |
| São Sebastião do Uatumã | BRSSB | Brazil |
| São Simão | BRSSI | Brazil |
| Sao Tome Island | STTMS | Sao Tome and Principe |
| Sao Vicente | CVVXE | Cape Verde |
| Sape | IDSAP | Indonesia |
| Sapele | NGSPL | Nigeria |
| Sapri | ITPRH | Italy |
| Saranac | USSRN | United States of America (the) |