| Santa Maria Magdalena | 27.67 | 2005 | Aegean Yacht |
| Santa Maria T | 37 | 2015 | Van der Valk Shipyard |
| Santa Maria X | 31.46 | 2005 | Astondoa S.A. (Astilleros) |
| Santa Monica | 51 | 2008 | Miss Tor Yacht (Orucoglu Shipyard) |
| Santa Rita 1 | 64.47 | 1972 | Verolme Cork Shipyard |
| Santa Sofia | 36.5 | 2020 | Sanlorenzo |
| Santandrea | 29.16 | 1961 | Cantieri Solimano |
| Santorini | 35 | 2010 | Logos Marine Ltd |
| Santosh | 33.05 | 2020 | Gulf Craft |
| Santosha | 56.7 | 2024 | Heesen Yachts |
| Saphira | 27.86 | 2018 | Brooklin Boat Yard |
| Sapphire | 50.5 | 2009 | Trinity Yachts |
| Sapphire Star | 28.17 | 2017 | Ocean Alexander |
| Sar | 30.48 | 2006 | Hatteras Yachts |
| Sarabeth | 39.62 | 2012 | Westport Yachts |
| Sarah | 62 | 2002 | Amels |
| Saramour | 61.3 | 2014 | CRN |
| Sarastar | 60.22 | 2017 | Mondomarine SpA |
| Sarayli 1 | 35 | 2008 | Custom |
| Sarb | 52.5 | 2022 | Grandweld Shipyards |
| Sarha | 42 | 1989 | Sea Management |
| Sarissa | 59.7 | 2023 | Royal Huisman |
| Saron | 39 | 2010 | Royal Hakvoort Shipyard |
| Sarsen | 71.8 | 1970 | Mjellem & Karlsen Verft AS |
| Sashay | 31 | 1999 | Maiora |
| Sassafras | 34.2 | 2000 | Royal Huisman |
| Sassi | 146 | | |
| Sassy | 28.9 | 2004 | Hargrave Custom Yachts |
| Sassy | 33.54 | 2024 | Hargrave Custom Yachts |
| Satemi | 60 | 2024 | Amels |
| Satine | 34.95 | 2001 | Benetti SpA |
| Satisfaction | 28.17 | 2011 | Ocean Alexander |
| Satori | 32.8 | 2002 | Cantiere Navale St. Margherita Ligure |
| Satori | 41.5 | 2017 | Cavusoglu Yat Imalathanesi |
| Satori | 63 | 2018 | Delta Marine |
| Saudade | 45.19 | 2008 | Wally |
| Sauvage | 32 | 2012 | Princess Yachts |
| Savannah | 83.5 | 2015 | Feadship |
| Savannah | 30.94 | 1998 | Alloy Yachts |
| Savarona | 28.45 | 2001 | CNB - Construction Navale Bordeaux |
| Savarona | 135.94 | 1931 | Blohm & Voss GmbH |
| Savoir Faire | 34.14 | 1994 | Westship Yachts |
| Savoir-Faire | 36.57 | 2001 | Broward Marine |
| Savuke | 30.48 | 2006 | Nautor Swan |
| Sayonara | 28.72 | 2015 | Overmarine Group SPA |
| Scallywag | 30.48 | 2005 | Cookson Boats |
| Scarena | 29.77 | 1995 | Jongert Yachts |
| Scarlet | 30.91 | 2008 | Azimut Yachts |
| Schaarhorn | 37.98 | 1908 | Janssen & Schmilinsky |
| Schatz | 30 | 2006 | Yener Yat |
