| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| ISJ (ISLA MUJERES) | airport | Mexico | 21.25 | -86.74 | 7 | 0 | |
| ISLA CEDROS | airport | Mexico | 28.04 | -115.19 | 98 | 0 | |
| ISLA MUJERES | airport | Mexico | 21.25 | -86.74 | 7 | 0 | |
| ISLA SOCORRO | airport | Mexico | 18.77 | -110.93 | 1085 | 0 | |
| ISSSTE | city | San Luis Potosi | Mexico | 22.14 | -100.99 | 6223 | 146491 |
| ISSSTE | city | Guanajuato | Mexico | 21.29 | -100.51 | 6709 | 35561 |