| Mackney, Ballinasloe | — | 5 |
| Maghera More, Killimor | — | 5 |
| Magheramore, Killimor | €245,000 | 11 |
| maigh burca, ballymoneen road | — | 5 |
| Maigh Riocaird, Castlegar | — | 6 |
| Maigh Riocaird, Headford Road | €230,000 | 34 |
| Main St, Craughwell | — | 10 |
| Main St, Kinvara | €245,000 | 14 |
| Main Street, Ballygar | — | 7 |
| Main Street, Clifden | — | 5 |
| Main Street, Eyrecourt | €50,000 | 14 |
| Main Street, Headford | €135,500 | 17 |
| Main Street, Killimor | — | 5 |
| Main Street, Loughrea | €100,000 | 18 |
| Main Street, Oughterard | — | 8 |
| Main Street, Woodford | — | 6 |
| Manor Avenue, Kingston | — | 6 |
| Manor Close, Kingston | — | 7 |
| Manor Court, Knocknacarra | €295,000 | 58 |
| Manor Court, Western Distributor Road | €228,250 | 13 |
| Manusflynn, Belclare | — | 8 |
| Maoilin, Ballymoneen Road | €440,000 | 91 |
| Maolchnoc, Ballymoneen Road | €422,907 | 120 |
| Maolin, Ballymoneen Road | — | 5 |
| Maree Road, Oranmore | — | 9 |
| Marian Park, Portumna | €145,000 | 13 |
| Market Court, Ballygar | — | 7 |
| Market St., Clifden | — | 8 |
| Masonbrook, Loughrea | €266,520 | 13 |
| Maumeen, Lettermore | — | 5 |
| Maunsells Park, Taylors Hill | — | 5 |
| Maunsells Rd, Taylors Hill Rd | — | 8 |
| Mausrevagh, Headford | — | 7 |
| Mayoralty House, Merchants Rd | — | 5 |
| McBride Avenue, Mervue | — | 7 |
| McDermott Ave, Mervue | — | 10 |
| McDonaghs Terrace, Woodquay | — | 5 |
| McHale Terrace, Ballygaddy Rd | €174,000 | 7 |
| McHale Terrace, Tuam | — | 5 |
| McHugh Ave, Mervue | — | 7 |
| Meadow Ave, Milltown Rd | — | 6 |
| Meadow Court, Milltown Rd | — | 11 |
| Meadow Court, Moylough | — | 11 |
| Meadow Court, Tuam | — | 5 |
| Meadow Grove, Ballybane | — | 8 |
| Meelick, Eyrecourt | — | 7 |
| Mellows Park, renmore | — | 6 |
| Merchants Dock, Merchants Road | — | 9 |
| Merchants Quay, Merchants Rd | — | 8 |
| Merlin Gate, Merlin Park | — | 7 |
| Merlin Lane, Doughiska | — | 5 |
| Merlin Lane, Merlin Park | — | 6 |
| Merlin Wood, Doughiska | — | 7 |
| Michael Collins Rd, Mervue | — | 7 |
| Middle St, Galway City | — | 5 |
| Mill Court, Bridge St | €100,000 | 13 |
| Millbrook, Milltown | €160,000 | 34 |
| Millstream Park, Tuam | €213,750 | 11 |
| Mincloon Rahoon, Galway City | €301,703 | 13 |
| Minna, Inverin | — | 5 |
| Mirah, Turloughmore | — | 9 |
| Moher, Ballinasloe | — | 6 |
| Monalee Heights, Ballymoneen Rd | — | 9 |
| Monalee Heights, Knocknacarra | €432,500 | 35 |
| Monalee Manor, Ballymoneen Road | — | 12 |
| Monalee Manor, Knocknacarra | €399,000 | 34 |
| Moneen, Williamstown | — | 7 |
| Moneen East, Ardrahan | — | 5 |
| Moneymore, Oranmore | — | 5 |
| Monivea Park, Ballybane | €285,000 | 35 |
| Monksfield, Salthill | — | 7 |
| Monterey Court, Quincentennial Dr | — | 7 |
| Montrose House, Whitestrand Park | €229,000 | 13 |
| Monument Road, Menlo | — | 6 |
| Moore Street, Loughrea | €185,000 | 8 |
| Moorfield, Williamstown | — | 5 |
| Mount Carmel Road, Loughrea | — | 5 |
| Mount Eaton House, Mount Eaton | €505,000 | 10 |
| Mountain Rd, Moycullen | — | 5 |
| Mountscribe, Kinvara | — | 16 |
| Moy, Kinvara | — | 7 |
| Moy road, Kinvara | — | 9 |
| Moyola Park, Newcastle | €445,000 | 23 |
| Moyrus, Carna | — | 6 |
| Moyvilla, Oranmore | €440,000 | 18 |
| Muckloon, Ballyforan | — | 6 |
| Mullan Mor, Tuam Road | €252,500 | 46 |
| Mulvoy Place, Sean Mulvoy Road | €180,000 | 8 |
| Murlach Moorings, Ballyconneely | — | 6 |
| Murrough Avenue, Renmore | €345,000 | 16 |
| murrough drive, renmore | — | 7 |
| The Maltings, Loughrea | — | 8 |
| The Maples, Dr. Mannix Road | — | 5 |
| The Maples, Glenbrack Rd | — | 6 |
| The Maples, Gort | — | 12 |
| The Meadows, Ballybrit | €380,000 | 31 |
| The Meadows, Mountbellew | — | 6 |