World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Silver Bay | USSIB | United States of America (the) |
| Silver Grove | USVKY | United States of America (the) |
| Silverton | USXVN | United States of America (the) |
| Silvertown | GBSVT | United Kingdom |
| Silvi Marina | ITSLV | Italy |
| Sima/Navabunder | INSIM | India |
| Simanggang, Sarawak | MYSMG | Malaysia |
| Simao | CNSYM | China |
| Simbhour Port | INSHP | India |
| Simcoe | CASIC | Canada |