World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| San Andros | BSSAQ | Bahamas |
| San Antonio | CLSAI | Chile |
| San Antonio | ESSAA | Spain |
| San Antonio | PYSAN | Paraguay |
| San Antonio Este | ARSAE | Argentina |
| San Asensio | ESSAS | Spain |
| San Bartolo | PEBAR | Peru |
| San Bartolomé de Tirajana | ESSBT | Spain |
| San Benedetto del Tronto | ITSDB | Italy |
| San Blas | MXSBS | Mexico |