| Mariposa | Almanac Beer Co. | | 6.8% |
| Mariposa | Night Shift Brewing | Saison | |
| Maris Goes To Oceanside | Timber Ales | English Barleywine | 11.0% |
| Maris otter vintage ale 2011 | Stroud brewery | English Strong Ale | 7.5% |
| Marius (Blueberry) | Forest & Main | Saison | 6.0% |
| Marius (Cherry) | Forest & Main | | |
| Marius (Grape) | Forest & Main | Saison | 6.0% |
| Marius (Peach) | Forest & Main | Wild Ale | |
| Marius (Plum) | Forest & Main | Saison | 6.0% |
| Marius (Raspberry) | Forest & Main | Saison | 6.0% |
| Marius Reserva BA Red Wine (Margaux Bordeaux) 2017 | Vliegende Paard Brouwers | Russian Imperial Stout | 10.2% |
| Mark of the Yeast 78666 | Root Cellar Cafe / Darkside Fermentation | Gruit / Ancient Herbed Ale | 11.0% |
| Marked For Death | Holy Mountain | Light Lager | 3.6% |
| Market Alley | Stoudt's Brewery | American Amber / Red Ale | |
| Market Street Wheat | T-Bonz Gill, Grill and Brewery | American Lager | |