| Sunseeker Predator 108 - 09#3 | 32.91 | 2011 | Sunseeker |
| Sunset | 35.2 | 2019 | Sunseeker |
| Sunshine | 35.46 | 2009 | Azimut Yachts |
| Sunshine | 37.8 | 1986 | Lloyds Ships |
| Sunshine | 36.85 | 2003 | Myanmar Shipyards |
| Super | 30.48 | 2001 | Azimut Yachts |
| Super Mario | 28.5 | 2024 | Extra Yachts |
| Super Toy | 28.04 | 1993 | Monte Fino |
| Super V | 33.04 | 2024 | Sanlorenzo |
| Super Veloce | 28.04 | 2011 | Pershing S.p.a. |
| Supernova | 37.95 | 2018 | Sanlorenzo |
| Superstar | 34.14 | 2001 | Westport Yachts |
| Supertoy | 27.9 | 1993 | Monte Fino |
| Sur | 28.93 | 2023 | Sanlorenzo |
| Sur La Mer | 43.6 | 2011 | Benetti SpA |
| Suraboza | 28.17 | 2014 | Ocean Alexander |
| Surama | 40.7 | 1997 | Royal Huisman |
| Sureyya | 43.28 | 1981 | Chantier de L'Estérel |
| Sureyya V | 32 | 2001 | ADA Yacht Works |
| Surfbird | 35.05 | 2006 | B & B Boatbuilders |
| Surfrider | 32.3 | 1993 | Westship Yachts |
| Surina | 44.8 | 2000 | Trident |
| Surpina | 56 | 2015 | Benetti SpA |
| Surplus Lines | 27.95 | 2019 | Hatteras Yachts |
| Surreya | 35 | 2000 | Agantur Yachting |
| Survivor | 30.91 | 2012 | Azimut Yachts |
| Survivor 2 | 35.2 | 2016 | Sunseeker |
| Susanna Bella | 32.3 | 2003 | Lazzara Yachts |
| Sussurro | 49.5 | 1998 | Feadship |
| Suver | 41.75 | 2005 | Izar |
| Svea | 43.6 | 2017 | Vitters Shipyard |
| Svea | 34.1 | 2005 | Leopard Yachts |
| Svyatoy Nikolay | 41.7 | 1990 | Khersonskiy SSRZ imeni Kominterna |
| Swagger | 37 | 2006 | Holland Jachtbouw |
| Sweet Caroline | 38.71 | 2014 | IAG Yachts Ltd |
| Sweet Dreams | 31 | 1998 | Maiora |
| Sweet Emocean | 35.46 | 2005 | Azimut Yachts |
| Sweet Escape | 39.62 | 1993 | Christensen Shipyards, LLC. |
| Sweet Lane | 37.04 | 2017 | Custom Line |
| Sweet Serenity II | 30.48 | 1988 | Broward Marine |
| Sweet T | 28.65 | 2000 | Hargrave Custom Yachts |
| Sweet T | 32.92 | 1999 | Broward Marine |
| Sweet Virginia | 29.1 | 2022 | Sanlorenzo |
| Sweetums | 28.42 | 2016 | Viking Yachts |
| Swift | 36.25 | 2014 | AB Yachts |
| Swift 135 | 135 | | |
| Swift of Ipswich | 31.4 | 1939 | Robinson |
| Sycara V | 68.16 | 2010 | Nobiskrug |
| Syl | 43.66 | 2003 | Barcos Deportivos S.L. |
| Sylvana | 49.29 | 1910 | Camper & Nicholsons Shipyard |
