| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Macas | city | Provincia de Morona Santiago | Ecuador | -2.3166667 | -78.1166667 | 3986 | 705 |
| Macuma | city | Provincia de Morona Santiago | Ecuador | -2.15 | -77.7 | 1824 | 705 |
| Maki | city | Provincia de Morona Santiago | Ecuador | -2.7383333 | -77.1325 | 961 | 642 |
| Makinentza | city | Provincia de Morona Santiago | Ecuador | -3.1611111 | -78.2730556 | 2775 | 728 |
| Mangosisa | city | Provincia de Morona Santiago | Ecuador | -2.5244444 | -77.8947222 | 2326 | 705 |
| Mangosiza | city | Provincia de Morona Santiago | Ecuador | -2.5244444 | -77.8947222 | 2326 | 705 |
| Mashumarentza Civil | city | Provincia de Morona Santiago | Ecuador | -2.7583333 | -77.2277778 | 1033 | 593 |
| Mashumarentza Militar | city | Provincia de Morona Santiago | Ecuador | -2.7672222 | -77.1936111 | 1017 | 542 |
| Mayalico | city | Provincia de Morona Santiago | Ecuador | -3.0591667 | -77.9955556 | 1610 | 713 |
| Mendez | city | Provincia de Morona Santiago | Ecuador | -2.6833333 | -78.3166667 | 4832 | 829 |
| Metzera | city | Provincia de Morona Santiago | Ecuador | -1.7 | -77.9333333 | 4455 | 724 |
| Miasal | city | Provincia de Morona Santiago | Ecuador | -2.6230556 | -77.7947222 | 1387 | 705 |
| Miazal | city | Provincia de Morona Santiago | Ecuador | -2.6230556 | -77.7947222 | 1387 | 705 |
| Milagro | city | Provincia de Morona Santiago | Ecuador | -3.15 | -78.6 | 7837 | 834 |
| Mirador | city | Provincia de Morona Santiago | Ecuador | -3.0352778 | -77.9925 | 1601 | 846 |
| Morona | city | Provincia de Morona Santiago | Ecuador | -2.8986111 | -77.6991667 | 987 | 676 |
| Morona Miazal | city | Provincia de Morona Santiago | Ecuador | -2.6230556 | -77.7947222 | 1387 | 705 |
| Méndez | city | Provincia de Morona Santiago | Ecuador | -2.6833333 | -78.3166667 | 4832 | 829 |