World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Yaizu | JPYZU | Japan |
| Yakuzu | JPYKU | Japan |
| Yali Island | GRYLI | Greece |
| Yalova | TRYAL | Türkiye |
| Yaltra | GRYAL | Greece |
| Yamachiche | CAZYE | Canada |
| Yamada | JPYQD | Japan |
| Yamada, Iwate | JPYAD | Japan |
| Yamada, Okayama | JPYMD | Japan |
| Yamagawa | JPYAM | Japan |