World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Iraklion (Heraklion) | GRHER | Greece |
| Iranduba | BRIRB | Brazil |
| Irby | GBIRB | United Kingdom |
| Irvine | CAIVN | Canada |
| Irvine | GBIRV | United Kingdom |
| Irvine | USIVK | United States of America (the) |
| Irymple | AUIRY | Australia |
| Isabel | PHISL | Philippines (the) |
| Isabela de Sagua | CUIDS | Cuba |
| Isabela, Basilan | PHBCT | Philippines (the) |