World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Sirikin, Sarawak | MYSRK | Malaysia |
| Sirri Island | IRSXI | Iran, Islamic Republic of |
| Sirte (Surt) | LYSRT | Libya |
| Sisak | HRSIS | Croatia |
| Sisimiut (Holsteinsborg) | GLJHS | Greenland |
| Sisters | USYER | United States of America (the) |
| Sistiana | ITITI | Italy |
| Sistranda | NOSSS | Norway |
| Siteía | GRJSH | Greece |
| Sitges | ESSIT | Spain |