World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Corumbá | BRCMG | Brazil |
| Corunna | CACOR | Canada |
| Coryton | GBCOY | United Kingdom |
| Cossack Pioneer (oil Terminal) | AUCOP | Australia |
| Costa Adeje | ESCJE | Spain |
| Costa da Caparica | PTCAP | Portugal |
| Cotabato, Mindanao | PHCBO | Philippines (the) |
| Cotaxtla | MXCTX | Mexico |
| Côte-Sainte-Catherine | CACSC | Canada |
| Coteau du Lac | CACQA | Canada |