World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Skaun | NOSAN | Norway |
| Skælskør | DKSSK | Denmark |
| Skegness | GBSKE | United Kingdom |
| Skeld | GBSKZ | United Kingdom |
| Skellefteå | SESFT | Sweden |
| Skelleftehamn | SESKE | Sweden |
| Skerjafjördur | ISKJF | Iceland |
| Skerray | GBSKR | United Kingdom |
| Skíathos | GRJSI | Greece |
| Skibotn | NOSKB | Norway |