World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Somovit | BGSOM | Bulgaria |
| Sompting | GBSPT | United Kingdom |
| Son | NLSON | Netherlands |
| Son (Puerto del Son) | ESPTN | Spain |
| Son Duong Port | VNSDP | Viet Nam |
| Sonai/Taketomi | JPSNI | Japan |
| Sonai/Yonaguni | JPSNA | Japan |
| Sone | JPSNE | Japan |
| Song Doc | VNSON | Viet Nam |
| Song Han 9 | VNSH9 | Viet Nam |