World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Castries | LCCAS | Saint Lucia |
| Castro | CLWCA | Chile |
| Castro Marina | ITCRQ | Italy |
| Castro-Urdiales | ESCUR | Spain |
| Castrop-Rauxel | DECRL | Germany |
| Castropol | ESCSO | Spain |
| Casul Bay/Ozamis | PHCSB | Philippines (the) |
| Cát Lái | VNCLI | Viet Nam |
| Cat Lai Oil Port | VNOCL | Viet Nam |
| Catalina | CACAT | Canada |