| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Madras Settlement | city | Couva/Tabaquite/Talparo | Trinidad and Tobago | 10.55 | -61.33 | 91 | 56753 |
| Mairad Village | city | Princes Town | Trinidad and Tobago | 10.28 | -61.27 | 190 | 18504 |
| Malabar Settlement | city | Arima | Trinidad and Tobago | 10.63 | -61.28 | 209 | 86239 |
| Mamon | city | Sangre Grande | Trinidad and Tobago | 10.48 | -61.16 | 236 | 1273 |
| Mamoral | city | Couva/Tabaquite/Talparo | Trinidad and Tobago | 10.45 | -61.29 | 255 | 16987 |
| Mamural | city | Couva/Tabaquite/Talparo | Trinidad and Tobago | 10.45 | -61.29 | 255 | 16987 |
| Manahambre | city | Princes Town | Trinidad and Tobago | 10.27 | -61.38 | 170 | 67817 |
| Manahambre Village | city | Princes Town | Trinidad and Tobago | 10.27 | -61.38 | 170 | 67817 |
| Marabella | city | San Fernando | Trinidad and Tobago | 10.31 | -61.45 | 9 | 56822 |
| Maracas | city | Tunapuna/Piarco | Trinidad and Tobago | 10.71 | -61.42 | 830 | 129763 |
| Maracas Bay Village | city | San Juan/Laventille | Trinidad and Tobago | 10.76 | -61.43 | 997 | 100200 |
| Maracas Village | city | Tunapuna/Piarco | Trinidad and Tobago | 10.71 | -61.42 | 830 | 129763 |
| Maraval | city | Diego Martin | Trinidad and Tobago | 10.71 | -61.51 | 830 | 110335 |
| Mary's Hill | city | Tobago | Trinidad and Tobago | 11.20 | -60.76 | 830 | 15820 |
| Mary’s Hill | city | Tobago | Trinidad and Tobago | 11.20 | -60.76 | 830 | 15820 |
| Mason Hall | city | Tobago | Trinidad and Tobago | 11.22 | -60.71 | 830 | 19037 |
| Matelot | city | Sangre Grande | Trinidad and Tobago | 10.82 | -61.13 | 830 | 566 |
| Matura | city | Sangre Grande | Trinidad and Tobago | 10.68 | -61.06 | 68 | 4502 |
| Maturita | city | Tunapuna/Piarco | Trinidad and Tobago | 10.64 | -61.27 | 249 | 83705 |
| Mayaro | city | Mayaro/Rio Claro | Trinidad and Tobago | 10.29 | -61.01 | 3 | 3177 |
| Mayo | city | Couva/Tabaquite/Talparo | Trinidad and Tobago | 10.35 | -61.38 | 288 | 50316 |
| Mc Bean | city | Couva/Tabaquite/Talparo | Trinidad and Tobago | 10.45 | -61.45 | 262 | 42815 |
| Mc Bean Village | city | Couva/Tabaquite/Talparo | Trinidad and Tobago | 10.45 | -61.45 | 262 | 42815 |
| Merchiston | city | Tobago | Trinidad and Tobago | 11.27 | -60.53 | 213 | 9784 |
| Mesopotamia | city | Tobago | Trinidad and Tobago | 11.20 | -60.69 | 3 | 16119 |
| Mitan | city | Mayaro/Rio Claro | Trinidad and Tobago | 10.45 | -61.12 | 275 | 5785 |
| Mon Plaisir | city | Tunapuna/Piarco | Trinidad and Tobago | 10.58 | -61.38 | 55 | 64194 |
| Mon Repos | city | San Fernando | Trinidad and Tobago | 10.28 | -61.45 | 16 | 67401 |
| Monkey Town | city | Penal/Debe | Trinidad and Tobago | 10.21 | -61.43 | 91 | 82275 |
| Monkey Town | city | Princes Town | Trinidad and Tobago | 10.27 | -61.33 | 255 | 41290 |
| Monkey Town Village | city | Penal/Debe | Trinidad and Tobago | 10.21 | -61.43 | 91 | 82275 |
| Monte Video | city | Sangre Grande | Trinidad and Tobago | 10.82 | -61.02 | 830 | 3972 |
| Montgomery | city | Tobago | Trinidad and Tobago | 11.19 | -60.79 | 147 | 13026 |
| Montrose | city | Chaguanas | Trinidad and Tobago | 10.52 | -61.39 | 305 | 71094 |
| Montrose | city | Tobago | Trinidad and Tobago | 11.20 | -60.65 | 226 | 14200 |
| Montserrat Village | city | Couva/Tabaquite/Talparo | Trinidad and Tobago | 10.35 | -61.38 | 288 | 50316 |
| Moos | city | Princes Town | Trinidad and Tobago | 10.27 | -61.28 | 203 | 22177 |
| Moque Point | city | Penal/Debe | Trinidad and Tobago | 10.07 | -61.45 | 0 | 12762 |
| Moriah | city | Tobago | Trinidad and Tobago | 11.25 | -60.71 | 830 | 15015 |
| Moriah Village | city | Tobago | Trinidad and Tobago | 11.25 | -60.71 | 830 | 15015 |
| Morichal | city | Couva/Tabaquite/Talparo | Trinidad and Tobago | 10.36 | -61.35 | 252 | 39751 |
| Morne Cabrite | city | Sangre Grande | Trinidad and Tobago | 10.80 | -60.94 | 0 | 2615 |
| Morne Diablo | city | Penal/Debe | Trinidad and Tobago | 10.11 | -61.45 | 219 | 31369 |
| Morne Quiton | city | Tobago | Trinidad and Tobago | 11.19 | -60.73 | 85 | 16632 |
| Moruga | city | Princes Town | Trinidad and Tobago | 10.09 | -61.28 | 39 | 0 |
| Moruga Village | city | Princes Town | Trinidad and Tobago | 10.09 | -61.28 | 39 | 0 |
| Morvant | city | San Juan/Laventille | Trinidad and Tobago | 10.66 | -61.48 | 249 | 101155 |
| Mount Dillon | city | Tobago | Trinidad and Tobago | 11.27 | -60.70 | 1669 | 10410 |
| Mount Dillon River | city | Tobago | Trinidad and Tobago | 11.27 | -60.70 | 1669 | 10410 |
| Mount Grace | city | Tobago | Trinidad and Tobago | 11.18 | -60.75 | 3 | 15683 |
| Mount Harris | city | Sangre Grande | Trinidad and Tobago | 10.50 | -61.12 | 308 | 8937 |
| Mount Pleasant | city | Diego Martin | Trinidad and Tobago | 10.71 | -61.61 | 830 | 67218 |
| Mount Pleasant | city | Tobago | Trinidad and Tobago | 11.16 | -60.79 | 45 | 10864 |
| Mount Saint George | city | Tobago | Trinidad and Tobago | 11.19 | -60.68 | 3 | 15310 |
| Mount Saint George Village | city | Tobago | Trinidad and Tobago | 11.19 | -60.68 | 3 | 15310 |
| Mount Stewart | city | Princes Town | Trinidad and Tobago | 10.29 | -61.41 | 82 | 74230 |
| Mount Stewart Village | city | Princes Town | Trinidad and Tobago | 10.29 | -61.41 | 82 | 74230 |
| Mount Thomas | city | Tobago | Trinidad and Tobago | 11.24 | -60.74 | 830 | 13964 |
| Mouville | city | Mayaro/Rio Claro | Trinidad and Tobago | 10.15 | -61.00 | 0 | 2185 |
| Mucurapo | city | Port of Spain | Trinidad and Tobago | 10.66 | -61.54 | 68 | 62810 |
| Mundo Nuevo | city | Couva/Tabaquite/Talparo | Trinidad and Tobago | 10.48 | -61.26 | 390 | 10796 |