World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Conwy (Conway) | GBCWA | United Kingdom |
| Cooktown | AUCTN | Australia |
| Coolidge | USGCL | United States of America (the) |
| Coolock | IEFGY | Ireland |
| Coolum | AUCOU | Australia |
| Coomera | AUCOO | Australia |
| Coonawarra | AUCNW | Australia |
| Coondapur (Ganguly) | INCOO | India |
| Cooper Cliff | CACFL | Canada |
| Coorparoo | AUCPR | Australia |