| Cork Week |
| Boats M - N |
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| Sail No | Boat | Type of Boat | Owner | Fleet | Fleet |
| IRL1121 | Mac Magic II | First 31.7 | Brian McCarthy | Cork Week IRC5 | |
| IRL424471 | Madcap | Winga | Michael O Connor | Cork Week Gentlemen No Spinaker | Cork Week Gentlemen No Spinaker cat 1 2 Sailors |
| GBR8485T | Magewind of Roke | Maxi 1050 | John Skipper | Cork Week IRC5 | |
| K1418 | Maiden | one off | Terry Neilson | Cork Week Gentlemen No Spinaker | Cork Week Gentlemen No Spinaker cat 1 2 Sailors |
| GBR979R | Malice | HOD 35 | Mike Moxley | Cork Week IRC3 | |
| GBR895 | Marian Maid | 8 M Cruiser/Racer | Patrick McHugh | Cork Week IRC6 | |
| IRL1090 | Mariner's Cove | J 109 | D Dwyer/ R Darrer | Cork Week IRC3 | |
| GBR531 | Masquerade of Cowes | Swan 46 | Roger Motson | Cork Week IRC1 | |
| GBR7104N | Matisse | Hunter 707 | Simon Bullingham, | Cork Week Hunter 707 | |
| GBR1540R | Maverick 2 | IMX 40 | Christopher Sharples | Cork Week IRC1 | |
| GBR7745R | McFly | Swan 45 | Tony Mack | Cork Week IRC0 | |
| BEL4070 | Meewind | First 40.7 | Wouter Borghijs | Cork Week IRC2 | |
| IRL1026 | MegaHertz | Dufour 32 Classic | Gerry Sheridan | Cork Week IRC5 | |
| IRL4443 | Meltemi | Sigma 33 | Brian Leyden / Michael Leahy | Cork Week Sigma 33 | Cork Week Sigma 33 Silver |
| FRA9494 | Merlin | J/N 35 | Moreau | Cork Week IRC3 | |
| GBR417 | Merlin | Peter Mackinnon | Cork Week IRC5 | ||
| GBR4990R | Merlin | Sunfast 40 | Peter Mackinnon | Cork Week IRC2 | |
| IRL9111 | Merlin | HB 31 | Brian Bryce | Cork Week IRC6 | |
| IRL2035 | MGM Boats | Sunfast 35 | Ross O Leary | Cork Week IRC4 | |
| IRL2035 | MGM Boats | Sunfast 35 | Ross O'Leary | Cork Week Gentlemen No Spinaker | |
| IRL2035 | MGM Boats | Sunfast 35 | Ross O'Leary | Cork Week Gentlemen No Spinaker Restricted | |
| GBR8383R | Mighty Max Two | Prima 38 | Neil Thomas | Cork Week IRC1 | Cork Week Prima 38 |
| GBR5405R | Mighty Quin | Sunfast 40 | Malcolm (Mac) Jones | Cork Week IRC2 | |
| GBR1105L | Minnie The Moocher | Kerr 11.3 | Anthony Richards | Cork Week IRM | Cork Week IRM Small |
| GBR9210L | Minx | Corby 41.5 | Andrew Ritchie | Cork Week IRC0 | |
| IRL1002 | Mischief | First 32s5 | Jim Donegan | Cork Week IRC6 | |
| K4412 | Miss Behavin | Sigma 33 | David O'Reilly | Cork Week Sigma 33 | Cork Week Sigma 33 Silver |
| GBR8694T | Miss Tuttles | SJ 320 | Gerald William Firth | Cork Week IRC4 | |
| GBR9290R | Mojo | J 92 | Robin & Jill Stevenson | Cork Week IRC4 | |
| GBR5348T | Moontiger | J 105 | Alan Bell | Cork Week IRC4 | |
| FRA19876 | Morning Dew | Holland One Ton | Yves Lanier | Cork Week IRC5 | |
| GER5386 | Morning Glory | MaxZ 86 | Hasso Plattner | Cork Week IRC0 | |
| GBR1381R | Mostly Harmless | Prima 38 | Tom Hayhoc | Cork Week IRC1 | Cork Week Prima 38 |
| GBR5573T | Mous'le | Dehler 37 CWS | Hugh/Penny Maclean/Ross | Cork Week IRC5 | |
| GBR8747T | Movistar Bleu | Elan 333 | Raymond Killops | Cork Week IRC4 | |
| GBR1776L | Mr & Mrs | 1720 | Craig Mitchell | Cork Week 1720 | |
| GBR3201T | Mr Vain | First Class Europe | Trevor Owens | Cork Week Gentlemen No Spinaker | Cork Week Gentlemen No Spinaker cat 1 2 Sailors |
| GBR6965T | MUSK-OX | X 362 | Neville Devonport | Cork Week IRC3 | |
| F550 | Mustang Sally | Farr 46 | Warren Batt | Cork Week IRC1 | |
| IRL1965 | Mustang Sally | Corby 36/95 | John Symington | Cork Week IRC1 | |
| GBR8396 | Mustigo II | SIGMA 38 | Stephen Scholefield | Cork Week Sigma 38 | |
| GBR3095 | Mutts Nuts | Laser SB3 | Nick Stuart | Cork Week Laser SB3 | |
| GBR6349 | N.F.I. | Formula 25 | Jonathan Holmes | Cork Week IRC6 | |
| IRL8811 | Next Senator | X 99 | Wan Waterman | Cork Week IRC4 | |
| IRL1127 | Niamh | Sunfast 37 | Brian McCafferty | Cork Week IRC4 | |
| GBR9824 | NJOS | Corby 35 | Nicky Octon, | Cork Week IRC2 | |
| GBR5615T | No Fear | SIGMA 38 | Guy Prest | Cork Week Sigma 38 | |
| GBR9190R | No Naked Flames | J 109 | Niall / Andrew Allen | Cork Week IRC3 |