| Magdalene St, Drogheda | — | 15 |
| Main Street, Blackrock | €200,000 | 12 |
| Main Street, Castlebellingham | €152,500 | 23 |
| Main Street, Clogherhead | — | 10 |
| Main Street, Dunleer | €145,000 | 10 |
| Mallard Sq, Aston Village | — | 6 |
| Malthouse Gardens, Castlebellingham | — | 8 |
| manydown close, Dundalk | — | 9 |
| Manydown Close, Red Barns Road | €320,000 | 40 |
| Maple Close, Avenue Road | — | 13 |
| Maple Close, Dundalk | — | 5 |
| Maple Drive, Drogheda | €235,000 | 33 |
| Maple Drive, Greenhills | — | 9 |
| marian park, dundalk | €162,500 | 51 |
| Marian Park, Drogheda | €223,500 | 75 |
| Marine Court, Blackrock | — | 7 |
| Marine Crescent, Blackrock Cove | — | 11 |
| Marine View, Blackrock Cove | — | 5 |
| Mariner's Court, Blackrock | — | 6 |
| Mariners Court, Cocklehill | — | 6 |
| Market Court, Carlingford | — | 5 |
| Market Street, Ardee | — | 10 |
| Market Street, Dundalk | €177,500 | 22 |
| Marlbog Road, Haggardstown | — | 9 |
| Marley Court, Drogheda | — | 8 |
| Marlmount Close, Dundalk | €370,044 | 18 |
| Marlmount Close, Old Dublin Road | €363,436 | 9 |
| Marlmount Court, Dublin Road | €322,687 | 8 |
| Marlmount Court, Dundalk | €365,639 | 30 |
| Marlmount Court, Marlmount | €359,031 | 16 |
| Marlmount Court, Old Dublin Road | €378,855 | 12 |
| Marlmount Gardens, Dundalk | — | 12 |
| Marlmount Gardens, Haggardstown | — | 5 |
| Marlmount Gardens, Old Dublin Road | — | 5 |
| Marlmount Green, Dundalk | — | 12 |
| Marlmount Park, Dundalk | €337,004 | 45 |
| Marlmount Park, Marlmount | €361,233 | 12 |
| Marlmount Park, Old Dublin Road | €319,383 | 21 |
| Marlmount Walk, Dundalk | — | 17 |
| Marlmount Walk, Marlbog Road | — | 5 |
| Marlmount Walk, Old Dublin Road | — | 9 |
| Marlmount Way, Old Dublin Road | — | 7 |
| Marsh Road, Drogheda | €180,000 | 22 |
| Mary St North, Dundalk | €155,000 | 19 |
| Mary St South, Dundalk | €144,500 | 19 |
| Mary Street, Drogheda | €192,000 | 31 |
| Mary Street North, Dundalk | — | 7 |
| Matthews Close, Lismullen Grove | — | 7 |
| mayfield, drogheda | — | 9 |
| mcdermotts tce, carrick rd | — | 7 |
| McSweeney St, Dundalk | €230,000 | 9 |
| McSwiney Street, Dundalk | — | 15 |
| meadow grove, dundalk | €330,000 | 14 |
| Meadow View, Avondale Park | — | 7 |
| Meadow View, Drogheda | €295,000 | 25 |
| Meadowview, Drogheda | €345,500 | 16 |
| Medebawn, Avenue Road | €260,000 | 66 |
| Medebawn Ave Rd, Dundalk | — | 5 |
| Medebawn Court, Avenue Road | €290,749 | 18 |
| Meith Mara, Station Rd | — | 5 |
| Melifont Court, Ardee Street | — | 6 |
| Mellifont Park, Drogheda | — | 11 |
| Melrose Avenue, Stameen | €402,000 | 13 |
| Merchants Quay, Drogheda | — | 8 |
| Milestown, Castlebellingham | — | 11 |
| Mill Rd, Dundalk | — | 6 |
| mill street, dundalk | — | 11 |
| Mill Wharf, Drogheda | — | 8 |
| Millgrange, Greenore | — | 7 |
| Millmount Close, Drogheda | €220,750 | 5 |
| Millockstown, Ardee | — | 9 |
| Millstream Apts, Distillery Lane | €197,500 | 14 |
| Milltown Lodge, Sandpit | — | 6 |
| Millwharf, Drogheda | — | 8 |
| Moneymore, Carlingford | — | 6 |
| Moneymore, Drogheda | €115,000 | 34 |
| Monksland, Carlingford | — | 7 |
| Moorehall Close, Ardee | — | 9 |
| Moorehall Close, Hale Street | €270,000 | 9 |
| Moorehall Rise, Ardee | €278,000 | 21 |
| Moorehall Rise, Hale Street | €279,000 | 33 |
| Mooretown, Dromiskin | — | 6 |
| Moran Terrace, Drogheda | — | 6 |
| Morans Terrace, Drogheda | €210,000 | 25 |
| Mount Auburn, Bryanstown | — | 5 |
| Mount Ave, Dundalk | €255,000 | 6 |
| Mount Hamilton, Dundalk | — | 21 |
| Mount St Oliver, Drogheda | — | 7 |
| Mount View, Hale St. | — | 5 |
| Mountain Court, Point Road | — | 10 |
| Mountain Park, Carlingford | — | 12 |
| Mountain View, Dunleer | — | 5 |
| Mountain View, Point Road | — | 12 |
| Mountbagnal, Riverstown | — | 5 |
| Mounthamilton, Ardee Road | — | 7 |
| Mourne View Hall, Dublin Rd | — | 5 |
| Muirhevna, Dublin Road | €335,000 | 24 |
| Mulholland Avenue, Dundalk | — | 9 |
| Mullach Alainn, Omeath | — | 10 |
| Mullaharlin Park, Dublin Road | — | 9 |
| Mullaharlin Rd, Mullaharlin Park | — | 6 |
| Mullary Manor, Tinure | — | 6 |
| Mullavalley, Louth Village | — | 5 |
| Mullenstown, Ardee | — | 5 |
| The Malthouse, Castlebellingham | — | 6 |
| The Malthouse, Main St | — | 5 |
| The Meadows, Point Road | — | 9 |
| The Moorings, Greenhills | €345,000 | 13 |