World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Inokushi, Oita | JPINK | Japan |
| Inonada | JPIND | Japan |
| Inousses | GRINO | Greece |
| Insein | MMINS | Myanmar |
| Instow | GBINS | United Kingdom |
| International Falls | USINL | United States of America (the) |
| Inugaura | JPING | Japan |
| Inujima | JPINZ | Japan |
| Inverallochy | GBIAY | United Kingdom |
| Inveraray | GBIVR | United Kingdom |