| Sugar | 32.5 | 2001 | New Versilcraft srl |
| Suerte | 69 | 2015 | Tankoa Yachts S.p.A. |
| Suegno | 29.7 | 2007 | Custom Line |
| Suegno | 37.8 | 2010 | Custom Line |
| Suderoog | 33.04 | 1956 | Koser & Meyer |
| Sud | 37.44 | 2009 | Sanlorenzo |
| Sublime | 32.28 | 2023 | Sanlorenzo |
| SuRi | 63.4 | 1978 | Halter Marine |
| Su | 37.8 | 1989 | Broward Marine |
| Stress | 30.2 | 1999 | Admiral |
| Strega | 36.58 | 2000 | Palmer Johnson Yachts |
| Stream | 28.49 | 2020 | Ferretti Yachts |
| Stray Kat | 30.75 | 1985 | Denison |
| Strathisla | 27.71 | 2009 | Nautor Swan |
| Strangers in the Night | 37.5 | 2004 | Bod-Yat A.S. |
| Stradivarius | 34.16 | 2023 | Sanlorenzo |
| Stra Dodo | 29.06 | 2021 | Sanlorenzo |
| Stormbringer | 30.91 | 2009 | Azimut Yachts |
| Stormborn | 46.7 | 2007 | Heesen Yachts |
| Storm | 32.61 | 2015 | Cantiere delle Marche (CdM) |
| Storm | 31.5 | 2005 | Overmarine Group SPA |
| Stoneface | 32.3 | 1978 | Burger Boat Company |
| Stone Hills | 28.93 | 2021 | Sanlorenzo |
| Stoli | 27.6 | 2019 | Sanlorenzo |
| Stoked on Fishing | 35.97 | 1987 | Westport Yachts |
| Stina | 41.24 | 1993 | Pecal Shipyard |
| Still Watch | 38.8 | 1960 | Russel Hipwell Engines Ltd |
| Stile Di Vita | 31.08 | 2023 | Riva S.p.A. |
| Stern | 49.56 | 2019 | Wider s.r.l. |
| Sterling V | 28.35 | 2007 | Hargrave Custom Yachts |
| Stephen Taber | 35.05 | 1871 | Van Cott |
| Step One | 55 | 2012 | Amels |
| Stellar | 39.62 | 2008 | Westport Yachts |
| Stellamar | 35 | 2023 | Cantiere delle Marche (CdM) |
| Stella di Mare | 39.67 | 2018 | CBI Navi |
| Stella Maris | 32.1 | 1992 | Broward Marine |
| Stella Maris | 37.8 | 1987 | Picchiotti |
| Stella Maris | 30.95 | 2005 | Custom Line |
| Stella Maris | 31.52 | 1914 | De Vooruitgang |
| Stella Maris | 72.1 | 2013 | VSY |
| Stella Marina | 27.61 | 2010 | Falcon Yachts S.r.l. |
| Stella M | 60 | 2021 | Amels |
| Stella II | 35.5 | 2013 | Shama Yachts |
| Stella Fiera | 34.95 | 1998 | Benetti SpA |
| Stella 1 | 37 | 1966 | Breaux Bay Craft |
| Stella | 30 | 2004 | Shama Yachts |
| Stella | 36.92 | 2021 | Sanlorenzo |
| Stefania | 41 | 2021 | Dynamiq Yachts |
| Steel It | 33.04 | 2023 | Sanlorenzo |
| Steel | 54.9 | 2009 | Pendennis Shipyard Ltd |
