| Name | Length (m) | Year | Builder |
|---|---|---|---|
| Mr. Loui | 35.5 | 2017 | Benetti SpA |
| Mr. Mouse | 42.06 | 2010 | Avangard Yachts |
| Mr. X | 29.1 | 2019 | Azimut Yachts |
| Mrs Grey | 39.5 | 2005 | Overmarine Group SPA |
| Mrs L | 28.43 | 2021 | Custom Line |
| Mrs L | 50.8 | 2009 | Mondomarine SpA |
| Mrs Red Stripe | 27.83 | 1967 | Royal Hakvoort Shipyard |
| Mrs Seven | 30.2 | 2008 | Southern Wind |
| Mrs. White | 29.6 | 2009 | Benetti Sail Division |
| Muchos Mas | 43.89 | 2017 | Crescent Custom Yachts |
| Multiple | 39.2 | 2023 | Overmarine Group SPA |
| Multiverse | 116 | 2018 | Kleven Maritime AS |
| Muma | 29.1 | 2016 | Sanlorenzo |
| Mumu | 38.71 | 2004 | R.B.Dereli Yachts |
| Murcielago | 30.48 | 2004 | Sunseeker |
| Murphy's Law | 37.8 | 1998 | Delta Marine |
| Musa | 36.25 | 2009 | AB Yachts |
| Musashi | 87.78 | 2011 | Feadship |
| Muschi Khan | 28.2 | 2005 | Aluminium Boats |
| Muse | 31.1 | 2012 | Cerri Cantieri Navali (CCN) |
| Muses | 36.58 | 2012 | Horizon Yachts |
| Musha | 31.7 | 2012 | Sanlorenzo |
| Music | 34.75 | 2012 | Aydos Yat |
| Musica Musica | 32.62 | 2013 | Custom Line |
| Mustique | 33.55 | 1987 | York Bros (Trading) Pty |
| Mutiara Laut | 46 | 2009 | C.V. Mutiara Murni |
| Muza | 48 | 2008 | ISA Yachts |
| Muzuni | 30.11 | 2005 | Nautor Swan |
| My Alexis | 30.48 | 2007 | Forza Yachts |
| My Alma | 56.5 | 2023 | Sanlorenzo |
| My Angel | 29.26 | 2008 | Hargrave Custom Yachts |
| My Aurora | 36.75 | 2013 | Nordhavn Yachts |
| My Baya | 28.95 | 2019 | Benetti SpA |
| My Brother Brancusi | 66.7 | 1966 | Cantieri Navali ed Officine Meccaniche di Venezia (CNOMV) |
| My Destiny | 29.9 | 2001 | Destiny Yachts |
| My Dragon | 79.9 | 2019 | Columbus Yachts |
| My Eden | 45.5 | 1999 | Tukuoka Zosen K.K. |
| My Escape | 46.97 | 2016 | Gulf Craft |
| My Fair Lady | 51 | 2006 | Codecasa S.p.A. |
| My Falcon | 52 | 2004 | Benetti SpA |
| My Girl | 29.87 | 2008 | Azimut Yachts |
| My Girl | 49.71 | 2016 | Westport Yachts |
| My Girl | 28.96 | 2001 | Westport Yachts |
| My Happy Hour | 36.45 | 2005 | ISA Yachts |
| My Izumi | 36.57 | 2008 | Palmer Johnson Yachts |
| My Johanna | 41.94 | 2011 | Benetti SpA |
| My Joyd | 27.76 | 2023 | Permare s.r.l. |
| My Lady | 28.29 | 1998 | Hatteras Yachts |
| My Lady | 50 | 1994 | Royal Hakvoort Shipyard |
| My Lady Alaska | 30.48 | 2001 | Broward Marine |