World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Niquero | CUNIQ | Cuba |
| Nishi/Kitadaito | JPNID | Japan |
| Nishi/Minamidaito | JPNDI | Japan |
| Nishibe | JPNSB | Japan |
| Nishiesan | JPNSI | Japan |
| Nishihara | JPNHR | Japan |
| Nishikata | JPNST | Japan |
| Nishiki | JPNSK | Japan |
| Nishimaizuru | JPMAW | Japan |
| Nishimura | JPNSM | Japan |