World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Cimelice | CZMCE | Czechia |
| Cincinnati | USCVG | United States of America (the) |
| Circle Pines | USZLP | United States of America (the) |
| Cirebon (Tjeribon) | IDCBN | Indonesia |
| Cirkewwa | MTCKW | Malta |
| Cirò Marina | ITMRM | Italy |
| Ciruelas | CRCIR | Costa Rica |
| Cisneros | ESCSN | Spain |
| City Island | USIS3 | United States of America (the) |
| Ciudad Bolívar | VECBL | Venezuela (Bolivarian Republic of) |