| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Martinez | city | Santa Cruz | Argentina | -46.58 | -68.31 | 1023 | 0 |
| Martinez | city | Santa Cruz | Argentina | -46.99 | -68.19 | 875 | 0 |
| Mata Amarilla | city | Santa Cruz | Argentina | -49.60 | -71.22 | 830 | 0 |
| Mata Grande | city | Santa Cruz | Argentina | -48.86 | -67.58 | 830 | 0 |
| Mazaredo | city | Santa Cruz | Argentina | -47.08 | -66.70 | 269 | 0 |
| Mazarredo | city | Santa Cruz | Argentina | -47.08 | -66.70 | 269 | 0 |
| Media Luna | city | Santa Cruz | Argentina | -50.75 | -69.19 | 154 | 0 |
| Meseta del Lago Buenos Aires | city | Santa Cruz | Argentina | -46.92 | -71.25 | 5029 | 0 |
| Mina de Oro de Zanja Pike | city | Santa Cruz | Argentina | -52.16 | -68.57 | 147 | 0 |
| Monte Aymond | city | Santa Cruz | Argentina | -52.10 | -69.53 | 830 | 0 |
| Monte Dinero | city | Santa Cruz | Argentina | -52.32 | -68.56 | 131 | 0 |
| Monte Leon | city | Santa Cruz | Argentina | -50.21 | -68.94 | 980 | 0 |
| Monte Leon Ranch | city | Santa Cruz | Argentina | -50.21 | -68.94 | 980 | 0 |
| Montevideo | city | Santa Cruz | Argentina | -50.73 | -70.00 | 830 | 0 |
| Moy Aike | city | Santa Cruz | Argentina | -51.18 | -69.61 | 121 | 0 |
| Moy Aike | city | Santa Cruz | Argentina | -51.24 | -69.62 | 209 | 0 |