| Main Street, Athleague | €175,000 | 5 |
| Main Street, Ballinagare | — | 6 |
| Main Street, Boyle | €55,000 | 14 |
| Main Street, Castlerea | €80,000 | 31 |
| Main Street, Elphin | €57,000 | 25 |
| Main Street, Rooskey | — | 7 |
| Manor, Tulsk | — | 7 |
| Marian Road, Boyle | — | 10 |
| Market St, Ballaghadereen | — | 5 |
| Meadow Brook, Tulsk | €143,000 | 25 |
| Meadow Crest, Greatmeadow | — | 6 |
| Meadow Vale, Boyle | — | 6 |
| Meadow Vale, Greatmeadow | €130,000 | 8 |
| Meadowbrook, Tulsk | €159,900 | 35 |
| Meadowvale, Greatmeadow | — | 5 |
| Millbrook Dr, Monksland | — | 6 |
| Millcross Rd, Bealnamulla | €280,000 | 6 |
| Millrace, Bealnamulla | — | 6 |
| Millstream, Elphin | — | 5 |
| Moher, Lanesboro | — | 5 |
| Moher, Strokestown | — | 5 |
| Moneymore, Knockcroghery | — | 5 |
| Monksfield, Bealnamulla | €196,750 | 27 |
| Monksfield, Monksland | — | 9 |
| Monksfield Park, Bealnamulla | €250,000 | 38 |
| Monksfield Park, Cloongowna | — | 11 |
| Monksland, Athlone | — | 11 |
| Mount William Court, Monksland | — | 13 |
| Moyglass, Strokestown | — | 9 |
| Moyne, Ballaghaderreen | — | 5 |
| Muff, Castlecoote | — | 6 |
| Mullaghmacormick, Rooskey | — | 7 |
| Mullen, Frenchpark | — | 10 |
| The Maples, Strokestown | €220,000 | 13 |
| The Maples, Tulsk Road | — | 10 |
| The Meadows, Ballaghadereen | €120,000 | 13 |
| The Meadows, Ballaghaderreen | €85,000 | 9 |
| The Meadows, Dublin Rd | €82,500 | 7 |