| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Maderas Negras | city | Guayas | Ecuador | -1.77 | -79.94 | 91 | 18429 |
| Maderas Negras | city | Guayas | Ecuador | -1.95 | -79.82 | 65 | 6042 |
| Magdalena | city | Guayas | Ecuador | -2.28 | -79.83 | 42 | 38685 |
| Magro | city | Guayas | Ecuador | -1.90 | -80.02 | 82 | 36729 |
| Magro | city | Guayas | Ecuador | -1.88 | -80.02 | 88 | 41116 |
| Magro | city | Guayas | Ecuador | -2.05 | -79.53 | 314 | 21278 |
| Maicito | city | Guayas | Ecuador | -1.25 | -79.82 | 265 | 3738 |
| Majagua | city | Guayas | Ecuador | -1.09 | -79.86 | 196 | 4980 |
| Mamey | city | Guayas | Ecuador | -2.35 | -80.35 | 830 | 2586 |
| Manantial | city | Guayas | Ecuador | -2.38 | -80.69 | 9 | 1860 |
| Manantial | city | Guayas | Ecuador | -1.53 | -80.03 | 147 | 4316 |
| Manantial | city | Guayas | Ecuador | -1.98 | -80.67 | 357 | 3189 |
| Manantial | city | Guayas | Ecuador | -2.23 | -80.62 | 830 | 2951 |
| Manantial | city | Guayas | Ecuador | -1.62 | -79.88 | 134 | 11407 |
| Manantial de Guangala | city | Guayas | Ecuador | -2.00 | -80.60 | 272 | 2682 |
| Manantiales | city | Guayas | Ecuador | -1.62 | -79.88 | 134 | 11407 |
| Manatial | city | Guayas | Ecuador | -1.53 | -80.03 | 147 | 4316 |
| Manga Rivera | city | Guayas | Ecuador | -1.12 | -79.67 | 318 | 6232 |
| Manglaralto | city | Guayas | Ecuador | -1.85 | -80.74 | 200 | 3263 |
| Mapasingue | city | Guayas | Ecuador | -2.15 | -79.90 | 101 | 296243 |
| Maranon | city | Guayas | Ecuador | -1.88 | -79.78 | 85 | 16922 |
| Maravilla | city | Guayas | Ecuador | -1.93 | -79.53 | 150 | 14089 |
| Marco | city | Guayas | Ecuador | -1.87 | -79.87 | 82 | 16367 |
| Margarita | city | Guayas | Ecuador | -1.93 | -79.82 | 68 | 9157 |
| Margarita | city | Guayas | Ecuador | -1.62 | -79.87 | 131 | 11778 |
| Maria | city | Guayas | Ecuador | -2.23 | -79.58 | 830 | 23958 |
| Maria Clementina | city | Guayas | Ecuador | -2.03 | -79.77 | 42 | 7631 |
| Maria Eugenia | city | Guayas | Ecuador | -2.23 | -79.58 | 830 | 23958 |
| Maria Luisa | city | Guayas | Ecuador | -1.82 | -79.78 | 98 | 21677 |
| Maria Teresa | city | Guayas | Ecuador | -2.32 | -79.53 | 830 | 7384 |
| Maricumba | city | Guayas | Ecuador | -0.91 | -79.65 | 314 | 2175 |
| Maridueña | city | Guayas | Ecuador | -2.21 | -79.43 | 830 | 22536 |
| Marina | city | Guayas | Ecuador | -1.63 | -79.98 | 124 | 7578 |
| Mariquita | city | Guayas | Ecuador | -1.78 | -79.77 | 104 | 19726 |
| Mariscal Sucre | city | Guayas | Ecuador | -2.11 | -79.50 | 410 | 38807 |
| Maruja | city | Guayas | Ecuador | -2.18 | -79.65 | 324 | 20281 |
| Maruja | city | Guayas | Ecuador | -2.20 | -79.62 | 337 | 33516 |
| María | city | Guayas | Ecuador | -1.87 | -79.87 | 82 | 16367 |
| María | city | Guayas | Ecuador | -2.24 | -79.77 | 150 | 42168 |
| María Angélica | city | Guayas | Ecuador | -1.91 | -79.75 | 68 | 11622 |
| María Eugenia | city | Guayas | Ecuador | -2.08 | -79.70 | 121 | 10757 |
| María Eugenia | city | Guayas | Ecuador | -2.17 | -79.62 | 288 | 46983 |
| María Hilda | city | Guayas | Ecuador | -1.90 | -79.73 | 72 | 12749 |
| María Luisa | city | Guayas | Ecuador | -2.06 | -79.72 | 91 | 9262 |
| María Mercedes | city | Guayas | Ecuador | -2.09 | -79.52 | 367 | 49771 |
| María Mercedes | city | Guayas | Ecuador | -1.96 | -79.69 | 72 | 13868 |
| Mastrantal | city | Guayas | Ecuador | -1.76 | -79.81 | 101 | 19569 |
| Mate | city | Guayas | Ecuador | -2.47 | -80.27 | 118 | 14436 |
| Matilde | city | Guayas | Ecuador | -2.13 | -79.62 | 213 | 68793 |
| Matilde | city | Guayas | Ecuador | -2.24 | -79.86 | 3 | 100969 |
| Matilde | city | Guayas | Ecuador | -2.61 | -79.60 | 196 | 9291 |
| Mechita | city | Guayas | Ecuador | -2.07 | -79.72 | 98 | 9417 |
| Menaida | city | Guayas | Ecuador | -1.77 | -79.78 | 104 | 19844 |
| Mercedes | city | Guayas | Ecuador | -1.88 | -80.02 | 88 | 41116 |
| Mercedes | city | Guayas | Ecuador | -2.00 | -79.48 | 324 | 14024 |
| Mercedes | city | Guayas | Ecuador | -2.33 | -80.17 | 246 | 30098 |
| Mercedes | city | Guayas | Ecuador | -2.03 | -79.66 | 121 | 13658 |
| Mercedes | city | Guayas | Ecuador | -1.83 | -79.83 | 88 | 24647 |
| Mercedes | city | Guayas | Ecuador | -2.15 | -79.88 | 6 | 221362 |
| Mercedes | city | Guayas | Ecuador | -1.75 | -79.92 | 91 | 16130 |
| Micha | city | Guayas | Ecuador | -2.35 | -79.80 | 65 | 10200 |
| Milagras | city | Guayas | Ecuador | -2.13 | -79.59 | 259 | 104448 |
| Milagro | city | Guayas | Ecuador | -2.10 | -79.45 | 830 | 11685 |
| Milagro | city | Guayas | Ecuador | -2.13 | -79.59 | 259 | 104448 |
| Milton | city | Guayas | Ecuador | -1.85 | -79.90 | 82 | 22960 |
| Mina de Oro | city | Guayas | Ecuador | -1.80 | -79.85 | 98 | 22239 |
| Minerva | city | Guayas | Ecuador | -1.87 | -79.80 | 88 | 19405 |
| Miniatura | city | Guayas | Ecuador | -1.73 | -79.78 | 104 | 16867 |
| Mirador | city | Guayas | Ecuador | -1.61 | -79.89 | 137 | 10103 |
| Miraflores | city | Guayas | Ecuador | -2.00 | -79.78 | 49 | 4548 |
| Miraflores | city | Guayas | Ecuador | -2.03 | -79.42 | 830 | 11232 |
| Miraflores | city | Guayas | Ecuador | -2.93 | -79.92 | 0 | 0 |
| Mocora | city | Guayas | Ecuador | -1.37 | -79.85 | 223 | 16555 |
| Mogollón | city | Guayas | Ecuador | -2.23 | -79.93 | 95 | 211427 |
| Mongon | city | Guayas | Ecuador | -2.18 | -79.97 | 830 | 369735 |
| Montalvo | city | Guayas | Ecuador | -2.28 | -80.69 | 200 | 3684 |
| Montanita | city | Guayas | Ecuador | -1.83 | -80.75 | 134 | 3611 |
| Monte Redondo | city | Guayas | Ecuador | -1.80 | -79.95 | 95 | 23261 |
| Monte Verde | city | Guayas | Ecuador | -2.06 | -80.73 | 19 | 3364 |
| Montebajo | city | Guayas | Ecuador | -1.92 | -79.73 | 68 | 12567 |
| Montero | city | Guayas | Ecuador | -2.26 | -79.62 | 830 | 15028 |
| Monterrey | city | Guayas | Ecuador | -2.02 | -79.73 | 52 | 7117 |
| Monteverde | city | Guayas | Ecuador | -2.06 | -80.73 | 19 | 3364 |
| Moral | city | Guayas | Ecuador | -1.05 | -79.62 | 337 | 63393 |
| Morilla | city | Guayas | Ecuador | -2.19 | -80.75 | 321 | 10663 |
| Morillo | city | Guayas | Ecuador | -2.19 | -80.75 | 321 | 10663 |
| Morocho | city | Guayas | Ecuador | -1.70 | -79.83 | 111 | 15926 |
| Morrillo | city | Guayas | Ecuador | -2.19 | -80.75 | 321 | 10663 |
| Morro | city | Guayas | Ecuador | -2.63 | -80.33 | 45 | 7733 |
| Morro | city | Guayas | Ecuador | -2.35 | -80.13 | 154 | 29792 |
| Mosquinana | city | Guayas | Ecuador | -1.85 | -79.78 | 91 | 20727 |
| Motaima | city | Guayas | Ecuador | -1.90 | -79.53 | 137 | 19884 |
| Moyuye | city | Guayas | Ecuador | -1.48 | -79.87 | 177 | 4820 |
| Muey | city | Guayas | Ecuador | -2.23 | -80.93 | 3 | 85460 |
| Munoz | city | Guayas | Ecuador | -2.20 | -80.18 | 383 | 29781 |
| Muralla Playas | city | Guayas | Ecuador | -1.65 | -80.02 | 118 | 5610 |
| Murucumba | city | Guayas | Ecuador | -0.91 | -79.65 | 314 | 2175 |
| Muy | city | Guayas | Ecuador | -2.23 | -80.93 | 3 | 85460 |
| Muy Noble y Muy Leal Ciudad de Santiago de Guayaquil | city | Guayas | Ecuador | -2.21 | -79.91 | 160 | 251184 |