| Sealion | 30.15 | 1935 | Yarrow & Co |
| Sealion | 31.55 | 1992 | Royal Hakvoort Shipyard |
| Sealyon | 62 | 2009 | VSY |
| Sealyon | 36.45 | 2007 | ISA Yachts |
| Seaman Guard Virginia | 36.6 | 1970 | Fairmile Construction Company Ltd |
| Sean Paquito IV | 38 | 2008 | Maguro Shipyard |
| Seanna | 65 | 2011 | Benetti SpA |
| Seaquel | 30.78 | 1998 | Burger Boat Company |
| Seaquell | 32.92 | 1992 | Alloy Yachts |
| Seaquinn | 34.1 | 2013 | Westport Yachts |
| Seas The Day | 30.78 | 2015 | Hargrave Custom Yachts |
| Seas the Day | 33.23 | 2001 | Hargrave Custom Yachts |
| Seas the Day | 38.1 | 2023 | Westport Yachts |
| Seas to See | 28.4 | 2006 | Paragon Motor Yachts |
| Seascape | 41.14 | 2022 | Benetti SpA |
| Seascape V | 44.2 | 2005 | Benetti SpA |
| Seaseid | 28.96 | 2016 | Hargrave Custom Yachts |
| Seasense | 67 | 2017 | Benetti SpA |
| Seashaw | 51.82 | 2004 | Cheoy Lee |
| Seataly | 29.6 | 2016 | Permare s.r.l. |
| Seatius | 31.41 | 2018 | Southern Wind |
| Seawolf | 58.83 | 1957 | J. & K. Smits Scheepswerven N.V. |
| Seawolf III | 28 | 2022 | Sunseeker |
| Seawolf X | 42.75 | 2024 | Rossinavi |
| Second Amendment | 30.78 | 2017 | Hargrave Custom Yachts |
| Second Love | 34.1 | 2008 | Westport Yachts |
| Second Love | 49.94 | 2010 | Westport Yachts |
| Secret Life | 45.02 | 1973 | Feadship |
| Secret Love | 36.5 | 1990 | Amels |
| Sedna IV | 51.33 | 1957 | Abeking & Rasmussen |
| See Worthy II | 30.53 | 2015 | Ocean Alexander |
| Seed | 40.16 | 2019 | Princess Yachts |
| Seek The Sun | 28.36 | 2016 | Filippetti Yacht |
| Sehamia | 47.6 | 2017 | Gulf Craft |
| Sehat Elona | 35.5 | 2022 | Kapal Pagatan |
| Selah | 30.53 | 2017 | Ocean Alexander |
| Seleda | 47.35 | 2021 | Mengi Yay Yachts |
| Selena | 31.89 | 2014 | Nautor Swan |
| Selene Rouge | 35.45 | 2010 | SM Europe Ltd. - Chacewicz Yachten |
| Selenga | 50 | 2016 | Ulan-Ude Shipyard |
| Self | 30.6 | 2011 | Custom Line |
| Self Made | 28.19 | 1999 | Cheoy Lee |
| Seljm | 34 | 1980 | Sangermani |
| Semiralice | 30.2 | 2006 | Cantieri Navali Rizzardi |
| Senja | 31 | 2021 | Pacific High |
| Sensation | 34.1 | 2004 | Westport Yachts |
| Sensation | 49.9 | 2007 | Sensation Yachts |
| Sensation of Auckland | 33.75 | 1989 | Sensation Yachts |
| Sense | 28.95 | 2007 | Overmarine Group SPA |
| Sensei | 39 | 1991 | Mitsubishi Heavy Industries Ltd. |
