World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Ishigaki | JPISG | Japan |
| Ishikari | JPISI | Japan |
| Ishikariwan Shinko | JPICW | Japan |
| Ishikawa | JPIKW | Japan |
| Ishima | JPISH | Japan |
| Ishinomaki | JPISM | Japan |
| Ishiwaki | JPISC | Japan |
| Isières | BEISR | Belgium |
| Isigny-sur-Mer | FRISM | France |
| Iskandariyha | IQIKD | Iraq |