| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Siaguaza | city | Sinaloa | Mexico | 26.00 | -109.29 | 124 | 19516 |
| Sialiboca | city | Sinaloa | Mexico | 26.29 | -109.22 | 3 | 882 |
| Sian Ka'an | city | Quintana Roo | Mexico | 19.91 | -87.45 | 0 | 0 |
| Sian Ka’an | city | Quintana Roo | Mexico | 19.91 | -87.45 | 0 | 0 |
| Sianori | city | Durango | Mexico | 25.23 | -106.77 | 3349 | 469 |
| Sianori | city | Durango | Mexico | 25.27 | -106.76 | 3349 | 447 |