World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Serpentina Terminal | GQSER | Equatorial Guinea |
| Serra | BRSER | Brazil |
| Serra | ESSER | Spain |
| Serra-di-Ferro | FRQZH | France |
| Serrig | DESRA | Germany |
| Serviburun | TRSER | Türkiye |
| Sesimbra | PTSSB | Portugal |
| Seskarö | SESES | Sweden |
| Sesoko | JPSES | Japan |
| Sesslach | DESQJ | Germany |