World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Sika | INSIK | India |
| Sikeå | SESIK | Sweden |
| Sikinos | GRSII | Greece |
| Sikionia | GRSIK | Greece |
| Sikkim | INSKK | India |
| Sikuaishi | CNSKS | China |
| Siladice | SKSLK | Slovakia |
| Silay | MYSIL | Malaysia |
| Silba | HRSIL | Croatia |
| Sile | TRSLE | Türkiye |