World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Saint James City | USJSY | United States of America (the) |
| Saint John's | AGSJO | Antigua and Barbuda |
| Saint Johns | USJO4 | United States of America (the) |
| Saint Johnsville | USTOU | United States of America (the) |
| Saint Joseph | USYSJ | United States of America (the) |
| Saint Just | GBSJU | United Kingdom |
| Saint Keverne | GBSKV | United Kingdom |
| Saint Kilian | DKKII | Denmark |
| Saint Leonards-on-Sea | GBLDS | United Kingdom |
| Saint Louis | USUTS | United States of America (the) |