World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Yoshizu | JPYSZ | Japan |
| Yotsukura | JPYOT | Japan |
| Youghal | IEYOU | Ireland |
| Youngstown | USYTW | United States of America (the) |
| Youra | JPYOU | Japan |
| Yport | FRYYO | France |
| Ypsos | GRYPS | Greece |
| Ystad | SEYST | Sweden |
| Ytrøy | NOYTO | Norway |
| Yuanshi | CNYSH | China |