World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Seoul | KRSEL | Korea, Republic of |
| Sepang, Selangor | MYSEP | Malaysia |
| Sepanjang Terminal | IDSEP | Indonesia |
| Sept-Iles | CASEI | Canada |
| Seqi Olivine Mine | GLSEQ | Greenland |
| Seraing | BEZER | Belgium |
| Sercus | FRS8C | France |
| Seria | BNSER | Brunei Darussalam |
| Sérifos | GRZAQ | Greece |
| Sériphos | GRSER | Greece |