| Lake | County | Latitude | Longitude |
| Mack Lake | Seneca | 42.969618 | -76.757929 |
| Macomber Valley | Saratoga | 43.215014 | -73.921076 |
| Madison Lake | Madison | 42.901143 | -75.523621 |
| Madison Reservoir | Madison | 42.852595 | -75.519968 |
| Madonna Lake | Rensselaer | 42.725663 | -73.488608 |
| Mallard Lake | Westchester | 41.186633 | -73.587365 |
| Marion Lake | Suffolk | 41.125658 | -72.334999 |
| Maritje Kill | Dutchess | 41.752765 | -73.935661 |
| Marratooka Lake | Suffolk | 40.993156 | -72.523963 |
| Marriam Lake | Herkimer | 43.863718 | -74.862077 |
| Martin Lake | Orange | 41.402611 | -74.654517 |
| Mashomack Pnt | Suffolk | 41.033649 | -72.279718 |
| Mason Lake | Hamilton | 43.596270 | -74.420763 |
| Massapequa Cove | Nassau | 40.651501 | -73.478669 |
| Mastens Lake | Sullivan | 41.605425 | -74.540172 |
| Masury Point | Suffolk | 40.781258 | -72.789977 |
| Matawa Lake | Sullivan | 41.857480 | -74.816420 |
| Mayfield Lake | Fulton | 43.094474 | -74.266035 |
| Mc Alister Lake | Orange | 41.440699 | -74.636089 |
| Mc Auleys Lake | Sullivan | 41.569519 | -74.767735 |
| Mc Cargo Lake | Orleans | 43.233058 | -78.093824 |
| Mc Dougall Lake | Washington | 43.173863 | -73.393846 |
| Mc Kenzie Brook | Essex | 44.316264 | -74.100920 |
| McAlister Lake Reser | Orange | 41.412866 | -74.691620 |
| McCarthys Lake | Lewis | 43.474767 | -75.647669 |
| Meacham Lake | Franklin | 44.562271 | -74.286358 |
| Meadow Lake | Queens | 40.733585 | -73.838705 |
| Mechanicville Reserv | Saratoga | 42.942377 | -73.728463 |
| Meco Lake | Hamilton | 43.325789 | -74.517909 |
| Melbern Lake | Sullivan | 41.821629 | -74.757192 |
| Melody Lake | Sullivan | 41.600242 | -74.670828 |
| Melzingah Reservoir | Dutchess | 41.472293 | -73.966583 |
| Merrian Lake | Herkimer | 43.857115 | -74.846331 |
| Merwin Lake | Columbia | 42.369702 | -73.679259 |
| Metcalf Chain of Lak | Hamilton | 43.474616 | -74.642065 |
| Metcalf Lake | Hamilton | 43.467040 | -74.663313 |
| Mianus Reservoir | Westchester | 41.163814 | -73.616029 |
| Mica Lakes | Hamilton | 43.573231 | -74.639556 |
| Middle Branch Lake | Herkimer | 43.701748 | -75.098323 |
| Middle Branch Reserv | Putnam | 41.402906 | -73.644534 |
| Middle Brook | Clinton | 44.566755 | -73.787620 |
| Middle Flowage | Saratoga | 43.387860 | -74.024647 |
| Middle Reef | Bronx | 40.871679 | -73.770651 |
| Middle Saranac Lake | Franklin | 44.263223 | -74.267266 |
| Middle Settlement La | Herkimer | 43.685144 | -75.097540 |
| Middleport Reservoir | Niagara | 43.188816 | -78.475112 |
| Military Lake | Essex | 43.979698 | -74.224180 |
| Mill Basin | Kings | 40.608493 | -73.910142 |
| Miller Lake | Madison | 42.966543 | -75.704574 |
| Millsite Lake | Jefferson | 44.291002 | -75.775830 |
| Mine Lake | Orange | 41.347249 | -74.046014 |
| Miner Lake | Clinton | 44.867952 | -73.680286 |
| Miner Mill Valley | Saratoga | 43.234162 | -73.995684 |
| Mineral Spring Brook | Greene | 42.198769 | -73.890624 |
| Minerva Lake | Essex | 43.793548 | -73.974440 |
| Mink Lake | Herkimer | 43.478334 | -75.019581 |
| Minoa Lakes | Onondaga | 43.065666 | -75.994541 |
| Minton Reservoir | Chautauqua | 42.296231 | -79.576086 |
| Mohican Lake | Sullivan | 41.522523 | -74.812625 |
| Mohonk Lake | Ulster | 41.765709 | -74.157374 |
| Mongaup Falls Reserv | Sullivan | 41.546095 | -74.778807 |
| Monhagen Lake | Orange | 41.458623 | -74.453843 |
| Monroe Reservoir | Orange | 41.281482 | -74.206395 |
| Monsey Lake | Rockland | 41.085246 | -74.080736 |
| Montgomery Lake | Sullivan | 41.525277 | -74.916804 |
| Monument Lake | Herkimer | 43.576009 | -74.823384 |
| Moon Lake | Jefferson | 44.290991 | -75.534449 |
| Moordener Kill N Bra | Rensselaer | 42.576330 | -73.686863 |
| Moreau Lake | Saratoga | 43.233073 | -73.711910 |
| Morehouse Lake | Hamilton | 43.362399 | -74.680294 |
| Morgan Lake | Dutchess | 41.715743 | -73.908630 |
| Morningside Lake | Sullivan | 41.753681 | -74.652565 |
| Mott Basin | Queens | 40.610365 | -73.765756 |
| Moules Lake | Rensselaer | 42.693878 | -73.609460 |
| Mount Arab Lake | St. Lawrence | 44.188223 | -74.600114 |
| Mountain Lakes | Orange | 41.323098 | -74.164284 |
| Mountain Road | Sullivan | 41.592923 | -74.384317 |
| Mountain View Lake | Franklin | 44.695784 | -74.124925 |
| Mourning Kill | Saratoga | 42.996437 | -73.944692 |
| Muar Lakes | Ontario | 42.880101 | -77.259103 |
| Muchattoes Lake | Orange | 41.496843 | -74.030785 |
| Muddy Lake | Putnam | 41.423665 | -73.843287 |
| Munn Lake | Suffolk | 41.146538 | -72.306630 |
| Murphy Lake | Hamilton | 43.339432 | -74.218082 |
| Muscoot Reservoir | Westchester | 41.274897 | -73.702948 |
| Muskellunge Lake | Jefferson | 44.295011 | -75.696207 |
| Muskoot Reservoir | Westchester | 41.288015 | -73.688360 |
| Myosotis Lake | Albany | 42.519722 | -74.150053 |