World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Xuetangzhou | CNXTZ | China |
| Xunke | CNXUK | China |
| Xylokeratia Milos | GRXYT | Greece |
| Yabagou | CNYBG | China |
| Yachiyo | JPYCH | Japan |
| Yaene | JPYNE | Japan |
| Yagelnaya Bukhta | RUYAB | Russian Federation (the) |
| Yagi, Hyogo | JPYAG | Japan |
| Yagi, Iwate | JPYGI | Japan |
| Yagishiri | JPYGR | Japan |