World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Sudurad | HRSDR | Croatia |
| Sudureyri/Sugandafjord | ISSUD | Iceland |
| Suga | JPSUG | Japan |
| Sugar City | USHJD | United States of America (the) |
| Sugarcreek | USZSU | United States of America (the) |
| Sugawa | JPSUU | Japan |
| Suge | JPSGE | Japan |
| Sugeura | JPSUR | Japan |
| Suhrendorf | DEUHF | Germany |
| Suibin | CNSBN | China |