World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Ohse | JPOUS | Japan |
| Ohshima, Ehime | JPOSI | Japan |
| Ohshima, Fukuoka | JPOSS | Japan |
| Ohshima, Kagawa | JPOOM | Japan |
| Ohshima, Miyazaki | JPOSO | Japan |
| Ohshima, Tokyo | JPOIM | Japan |
| Ohshima, Wakayama | JPOSH | Japan |
| Ohshima/Hagi | JPHGS | Japan |
| Ohyama/Mitsushima | JPOYM | Japan |
| Ohzuku | JPOZJ | Japan |