World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Suidong | CNCFF | China |
| Suining | CNSNN | China |
| Suizhong | CNSIZ | China |
| Sukabumi | IDSUK | Indonesia |
| Sukhumi | GEABK | Georgia |
| Sukumowan | JPSUK | Japan |
| Sukuta | GMSUK | Gambia |
| Sula | NOSUA | Norway |
| Suldal | NOSUL | Norway |
| Sulina (Port et Zone Franche) | ROSUL | Romania |