| Main St, Kilbeggan | — | 8 |
| Main Street, Athlone | — | 6 |
| Main Street, Clonmellon | — | 15 |
| Main Street, Delvin | €90,000 | 16 |
| Main Street, Kinnegad | — | 6 |
| Main Street, Moate | €140,000 | 14 |
| Main Street, Rathowen | — | 8 |
| Main Street, Tyrrellspass | — | 12 |
| Manorfield, Kinnegad | €247,500 | 51 |
| Manorfields, Kinnegad | €235,000 | 19 |
| Mardyke St, Athlone | — | 8 |
| Marine View, Athlone | €130,000 | 15 |
| Market Point, Mullingar | €187,500 | 20 |
| Marlinstown, Mullingar | — | 8 |
| Marlinstown Park, Dublin Road | €188,000 | 18 |
| Marlinstown Park, Mullingar | €195,500 | 22 |
| Mary St, Mullingar | — | 7 |
| Mayfield Grove, Athlone | €285,000 | 20 |
| Mayne, Coole | €230,000 | 5 |
| McKeon Terrace, Patrick Street | — | 5 |
| Meadow Lane, Roscommon Road | €150,591 | 12 |
| Meadow Park, Kilbeggan | — | 6 |
| Meadowbrook, Athlone | €117,500 | 17 |
| Meadowbrook, Willow Park | €130,000 | 11 |
| Mhargadh an Fheir, St. Mary's Place | — | 9 |
| Millmount, Mullingar | €300,000 | 19 |
| Millmount Avenue, Mullingar | — | 7 |
| Millmount Road, Mullingar | — | 7 |
| Millmount Terrace, Mullingar | — | 5 |
| Milltown, Castlepollard | — | 7 |
| Mitchell Terrace, Athlone | — | 8 |
| Mitchells Terrace, Athlone | — | 9 |
| Mitchelstown, Delvin | — | 8 |
| Moate Retirement Village, Dublin Road | — | 6 |
| Moate Retirement Village, Moate | €138,750 | 7 |
| Moreno, Arcadia | €320,000 | 16 |
| Mount Carmel Drive, Moate | — | 13 |
| Mount Prospect, Dublin Rd | — | 6 |
| Mount Prospect, Mullingar | — | 8 |
| Mount Prospect Apt, Mullingar | €263,000 | 23 |
| Mount Street, Mullingar | — | 5 |
| Mount Temple, Moate | — | 7 |
| Moydrum, Athlone | — | 7 |
| Mulliganstown, Delvin | — | 5 |
| Mullingar Road, Castlepollard | — | 6 |
| The Mews, Cityquarter | — | 8 |
| the moorings, market point | €199,000 | 12 |
| The Moorings, Ballymahon road | €320,000 | 27 |
| The Moorings, Mullingar | — | 5 |