| Birubi | 49.9 | 2022 | Benetti SpA |
| Biscari | 30.8 | 2012 | Segue Yachts |
| Bishr | 30.78 | 2012 | Gulf Craft |
| Bjorg II | 28 | 2002 | Couach Yachts |
| Black Abbot | 34 | 1955 | Bideford SY |
| Black Diamond | 77.7 | | Rodriquez Yachts |
| Black Diamond | 28.15 | 2010 | Sunseeker |
| Black Jack 100 | 30.46 | 2005 | McConaghy Boats |
| Black Legend | 31 | 2010 | Baia Yachts |
| Black Legend | 49.9 | 2017 | Overmarine Group SPA |
| Black Legion | 28.64 | 2012 | Horizon Yachts |
| Black Lion | 30.65 | 2012 | Perini Navi |
| Black Molly | 30 | 1998 | Jongert Yachts |
| Black Pearl | 31.4 | 2011 | Diverse Projects |
| Black Pearl | 106.7 | 2018 | Oceanco |
| Black Rose | 34.95 | 2003 | Benetti SpA |
| Black Sails | 39.95 | 2009 | Wally |
| Black Sea | 32.76 | 2008 | Etemoglu Boatyard |
| Black Sheep | 37.49 | 2008 | Palmer Johnson Yachts |
| Black Swan | 34.1 | 2013 | Westport Yachts |
| Black Swan | 28.23 | 2008 | Riva S.p.A. |
| Black Swan of 1899 | 40.5 | 1899 | Camper & Nicholsons Shipyard |
| BlackJack | 28.96 | 2016 | Azimut Yachts |
| Blackhawk | 37.54 | 1971 | Feadship |
| Blackrose | 30.75 | 2006 | Azimut Yachts |
| Blackwood | 31.39 | 1998 | Broward Marine |
| Blackwood I | 27.61 | 2002 | Bod-Yat A.S. |
| Blackwood of London | 39 | 2008 | Bod-Yat A.S. |
| Blade 6 | 28.15 | 2009 | Sunseeker |
| Blade II | 44.7 | 2010 | MMGI Shipyard |
| Blanca | 52.45 | 2008 | Baglietto S.p.A. |
| Blanco | 27.99 | 1997 | Peri Yachts |
| Blau | 31.4 | 2006 | Azimut Yachts |
| Bleu Blanc | 29.7 | 2009 | Custom Line |
| Bleu de Nimes | 72.25 | 1980 | Clelands Shipbuilding Co Ltd |
| Blind Date | 46.7 | 2009 | Heesen Yachts |
| Blind Date Too | 34.95 | 2003 | Benetti SpA |
| Blind Faith | 28.17 | 2015 | Ocean Alexander |
| Blink | 41 | 2009 | Cantieri di Pisa |
| Bliss | 44.17 | 2007 | Heesen Yachts |
| Bliss | 52.2 | 2014 | Palmer Johnson Yachts |
| Bliss | 94.75 | 2021 | Feadship |
| Bliss | 36.8 | 2009 | Yachting Developments |
| Bliss | 38.35 | 2017 | Gulf Craft |
| Blondie | 28.5 | 2021 | Van der Valk Shipyard |
| Bloodhound | 29.87 | 1992 | Gilbert, Richardson & Swindall |
| Blooms | 33.5 | 2006 | Overmarine Group SPA |
| Blu | 35 | 2005 | Benetti SpA |
| Blu Musica | 29.08 | 1996 | Cantiere Navale Spertini Alalunga |
| Blue | 33.91 | 2010 | Sunseeker |
