Vi har så langt registrert 1 329 havner
| Navn | Grunnlagt | | Casablanca, Morocco | |
| Castellamare, Sicilia, Italia | |
| Catania, Sicilia, Italia | |
| Catia la Mar, Venezuela | |
| Cayenne, Fransk Guyana | |
| Cebu | |
| Ceiba, Hunduras | |
| Celle, Tyskland | |
| Ceuta, Spania | |
| Chandler, Quebec, Canada | |
| Charleston, SC, USA | |
| Chatham, U.K | |
| Cherbourg, Frankrike | |
| Chester,Canada | |
| Chiba, Japan | |
| Chicago, IL, USA | |
| Chingwantao, Kina | |
| Chios, Hellas | |
| Chittagong, Bangladesh | |
| Christchurch, New Zealand | |
| Christobal, Panama | |
| Cienfuegos, Cuba | |
| Ciudad del Carmen, Mexico | |
| Civitavecchia, Italia | |
| Clyde, UK | |
