World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Söstrop | DESEP | Germany |
| Sotodomari/Nishiumi | JPSOT | Japan |
| Sotra | NOSRX | Norway |
| Soúda | GRSDH | Greece |
| Soudromont | BESDT | Belgium |
| Souflíon | GRSFN | Greece |
| Sougia Chanion | GRSOG | Greece |
| Soulanges | FRQGS | France |
| Souma | JPSMA | Japan |
| Soupri | GRSOR | Greece |