| City | Region |
|---|
| ›Salango | Manabí› |
| ›Salinas | Guayas› |
| ›Sangolquí | Pichincha› |
| ›Santa Cruz | Galápagos Islands› |
| ›Santa Elena | Guayas› |
| ›Santa Isabel | Azuay› |
| ›Santa Maria | Galápagos Islands› |
| ›Santa Rosa De Otas | Napo› |
| ›Santo Domingo de los Colorados | Pichincha› |
| ›Santo Tomas | Galápagos Islands› |
| ›Sarayacu | Pastaza› |
| ›Sigsig | Azuay› |
