World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Istanbul | TRIST | Türkiye |
| Isthmía | GRITM | Greece |
| Isuwan | JPISU | Japan |
| Ita Enramada | PYITE | Paraguay |
| Itacoatiara | BRIAR | Brazil |
| Itaguaí Pt = Sepetiba Pt | BRSPB | Brazil |
| Itaituba | BRITB | Brazil |
| Itajaí | BRITJ | Brazil |
| Itako | JPITK | Japan |
| Itamarati | BRYTR | Brazil |