World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Spring Grove | USSG3 | United States of America (the) |
| Spring Grove | USZSG | United States of America (the) |
| Spring Grove | USS3G | United States of America (the) |
| Spring Valley, San Diego | USPGY | United States of America (the) |
| Springdale | CASPD | Canada |
| Springfield | USSFY | United States of America (the) |
| Springville, Suffolk | USXPG | United States of America (the) |
| Sproul | USYSP | United States of America (the) |
| Spurn Head | GBSUH | United Kingdom |
| Spyck | DEPYK | Germany |