World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Stickney | USSKT | United States of America (the) |
| Stieltjeskanaal | NLSKL | Netherlands |
| Stignæsværkets Havn | DKSTG | Denmark |
| Stigsnaes Inter Terminal | DKSIT | Denmark |
| Stigsnæs | DKSTN | Denmark |
| Stigtomta | SESTG | Sweden |
| Stillington | GBSGT | United Kingdom |
| Stillmore | USLLM | United States of America (the) |
| Stillwater | USTIS | United States of America (the) |
| Stintino | ITTTN | Italy |