| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Sagausauan | city | Province of Masbate | Philippines | 12.2833333 | 123.6833333 | 666 | 24120 |
| Salog | city | Province of Masbate | Philippines | 12.5833333 | 123.65 | 646 | 18263 |
| Salvacion | city | Province of Masbate | Philippines | 12.3180556 | 123.7022222 | 52 | 17323 |
| Salvacion | city | Province of Masbate | Philippines | 12.2 | 123.85 | 3 | 24383 |
| Salvacion | city | Province of Masbate | Philippines | 11.8222222 | 124.0638889 | 0 | 15007 |
| Sambang | city | Province of Masbate | Philippines | 12.9702778 | 123.8786111 | 3 | 41790 |
| San Agustin | city | Province of Masbate | Philippines | 12.4505556 | 123.3283333 | 3 | 14079 |
| San Antonio | city | Province of Masbate | Philippines | 12.1833333 | 123.8666667 | 68 | 24383 |
| San Augustin | city | Province of Masbate | Philippines | 12.4505556 | 123.3283333 | 3 | 14079 |
| San Fernando | city | Province of Masbate | Philippines | 12.4836111 | 123.76 | 22 | 17900 |
| San Isidro | city | Province of Masbate | Philippines | 12.4572222 | 123.2655556 | 19 | 9596 |
| San Isidro | city | Province of Masbate | Philippines | 12.0538889 | 123.9422222 | 659 | 24379 |
| San Jacinto | city | Province of Masbate | Philippines | 12.5655556 | 123.7302778 | 3 | 17377 |
| San Pascual | city | Province of Masbate | Philippines | 13.1297222 | 122.9791667 | 160 | 7629 |
| San Pedro | city | Province of Masbate | Philippines | 12.0166667 | 124 | 3 | 13290 |
| San Rafael | city | Province of Masbate | Philippines | 13.0941667 | 122.96 | 72 | 13925 |
| San Rafael | city | Province of Masbate | Philippines | 12.3436111 | 123.7841667 | 0 | 7501 |
| San Remo | city | Province of Masbate | Philippines | 12.9655556 | 123.51 | 19 | 19239 |
| San Roque | city | Province of Masbate | Philippines | 12.6166667 | 123.6833333 | 95 | 21033 |
| Sangig | city | Province of Masbate | Philippines | 12.1833333 | 123.2833333 | 95 | 8115 |
| Santa Cruz | city | Province of Masbate | Philippines | 12.1611111 | 123.8938889 | 167 | 20010 |
| Sauang | city | Province of Masbate | Philippines | 12.3666667 | 123.7688889 | 75 | 7501 |
| Sawang | city | Province of Masbate | Philippines | 12.5705556 | 123.2905556 | 331 | 9491 |
| Sawang | city | Province of Masbate | Philippines | 12.2322222 | 123.7558333 | 3 | 21414 |
| Sawang | city | Province of Masbate | Philippines | 12.3666667 | 123.7688889 | 75 | 7501 |
| Siguinon | city | Province of Masbate | Philippines | 12.1333333 | 123.9333333 | 55 | 10123 |
| Simawa | city | Province of Masbate | Philippines | 12.1886111 | 123.7725 | 121 | 29641 |
| Sinalongan | city | Province of Masbate | Philippines | 12.2691667 | 123.5888889 | 170 | 35778 |
| Sinibaran | city | Province of Masbate | Philippines | 12.5 | 123.7333333 | 331 | 26403 |
| Sog-ong | city | Province of Masbate | Philippines | 12.5 | 123.3833333 | 150 | 13180 |
| Suba | city | Province of Masbate | Philippines | 12.1986111 | 123.8672222 | 108 | 24383 |
| Surosulangan | city | Province of Masbate | Philippines | 12.2333333 | 123.8166667 | 59 | 16651 |
| Syndicate | city | Province of Masbate | Philippines | 12.4686111 | 123.4083333 | 318 | 13180 |
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