| Marama | 37.64 | 2008 | Delta Marine |
| Maranatha | 34.44 | 1973 | CRN |
| Maranatha | 34.02 | 1991 | Heinrich Grube Schiffswerft |
| Maratani VIII | 30.75 | 1996 | Azimut Yachts |
| Maraya | 54.2 | 2007 | CRN |
| Marazul | 29.87 | 1985 | Poole |
| Marbella | 32.92 | 1996 | Monte Fino |
| Marbella II | 34.75 | 1998 | Northcoast Yachts |
| Marbri | 36.88 | 2003 | Crescent Custom Yachts |
| Marcantonio | 37 | 1947 | Sipa |
| Marchelly | 27.97 | 2019 | Pershing S.p.a. |
| Marco Yachts 231 | 85 | | |
| Mare Mediterraneo | 33 | 1992 | Admiral |
| Mare Nostrum | 49.1 | 2008 | Kadir Turhan |
| Mare Nostrum | 45.26 | 2007 | Perini Navi |
| Marea | 31.1 | 2021 | Sanlorenzo |
| Marengo Uno | 32.26 | 2017 | Monte Carlo Yachts |
| Margaret Ann | 29.13 | 2004 | Pendennis Shipyard Ltd |
| Margarita | 36.92 | 2023 | Sanlorenzo |
| Margate | 33.83 | 1997 | Broward Marine |
| Margaux | 35.4 | 1993 | Advanced Ocean Systems |
| Marguerite | 60.97 | 2004 | Lürssen Yachts |
| Marguerite | 28.17 | 1999 | Vitters Shipyard |
| Mari-Cha III | 44.7 | 1997 | Sensation Yachts |
| Maria | 52.12 | 1995 | Feadship |
| Maria | 67.06 | 2007 | Amels |
| Maria Alba II | 29.49 | 2000 | Green Marine |
| Maria Carla | 34.6 | 2005 | Codecasa S.p.A. |
| Maria Cattiva | 39.92 | 2003 | Royal Huisman |
| Maria Clara | 31.4 | 2014 | Azimut Yachts |
| Maria Jose | 31.1 | 2005 | Astondoa S.A. (Astilleros) |
| Maria Theresa | 33 | 2019 | Custom Line |
| Maria Vittoria | 33.6 | 1960 | Glommens Mekaniske Verksted |
| Mariale V | 28.5 | 2015 | Benetti SpA |
| Marianna | 33.53 | 1921 | De Liesbosch |
| Marican Forever | 32.82 | 2024 | Custom Line |
| Maridaki | 32.62 | 2008 | Custom Line |
| Maridome | 54 | 1989 | Brooke Marine Ltd. |
| Marie | 41.73 | 1930 | Consolidated Shipbuilding |
| Marie | 54.64 | 2010 | Vitters Shipyard |
| Marie Galante | 34.14 | 1996 | Can Yatcilik |
| Mariel | 28 | 2000 | Costruzioni Navali Tigullio - Castagnola |
| Mariella | 28.7 | 1938 | William Fife & Sons |
| Mariette | 42.06 | 1916 | Herreshoff |
| Marigar | 28.13 | 2004 | Sunseeker |
| Marigot | 33.8 | 2018 | Overmarine Group SPA |
| Marija | 35.75 | 2022 | Sanlorenzo |
| Marin | 40.05 | 2014 | Sunseeker |
| Mariner III | 37.2 | 1926 | Winslow Marine Rail & Shipbuilding Co. |
| Mariposa | 28.65 | 2018 | Permare s.r.l. |
