| Corsario | 48 | 2019 | Radez d.d. Shipyard |
| Corvus | 40 | 2008 | Halkitis Shipyards S.A. |
| Cosmico | 40.8 | 2024 | Benetti SpA |
| Cosmoledo | 40.47 | 2012 | Alu Marine |
| Cosmos | 96.99 | 1980 | H.M.A. Naval Dockyard |
| Cosmos I | 33.5 | 2004 | Overmarine Group SPA |
| Cosmos II | 32 | 1987 | Lloyds Ships |
| Cosmos Luna | 33.4 | 2009 | Tuzla Shipyard |
| Costa Brava III | 37.05 | 1995 | Palmer Johnson Yachts |
| Costa Magna | 44.5 | 1983 | Proteksan |
| Costante | 37.5 | 1968 | Benetti M&B |
| Crazy & Sexy | 40.29 | 1991 | Benetti SpA |
| Crazy Love | 29.44 | 2001 | Astondoa S.A. (Astilleros) |
| Crazy Me | 50 | 2013 | Heesen Yachts |
| Crazy Too | 33.3 | 2022 | Overmarine Group SPA |
| Creole | 65.3 | 1927 | Camper & Nicholsons Shipyard |
| Crescent | 135.61 | 2018 | Lürssen Yachts |
| Crescent Lady | 35.66 | 2020 | Crescent Custom Yachts |
| Crili | 47.85 | 2006 | Christensen Shipyards, LLC. |
| Criss C | 34.01 | 1993 | Christensen Shipyards, LLC. |
| Cristal | 35.8 | 2012 | Alia Yachts |
| Cristales | 30.48 | 2006 | Azimut Yachts |
| Croce del Sud | 42 | 1931 | Cantiere Martinolich |
| Crocus | 43.1 | 2021 | Altinova Tersaneleri Imalat |
| Crocus | 42.67 | 2001 | SES Yachts |
| Crossbow | 31.71 | 2016 | Southern Wind |
| Crossed Sabre | 43.8 | 2006 | Burger Boat Company |
| Crowbridge | 42 | 2020 | Cantiere delle Marche (CdM) |
| Crown Jewel | 29.26 | 1996 | Broward Marine |
| Crowned Eagle | 33.53 | 2023 | Horizon Yachts |
| Cru | 29.34 | 1991 | Westport Yachts |
| Crystal Anne | 30.78 | 2015 | Hargrave Custom Yachts |
| Crystalady | 47 | 2011 | Heesen Yachts |
| Cuan Law | 32.6 | 1988 | Hike Metal Works |
| Cupani | 63.71 | 2006 | Royal Denship A/S |
| Cupcake | 40.23 | 2000 | Westship Yachts |
| Curfew II | 31.95 | 2017 | Mengi Yay Yachts |
| Curiosity | 41.65 | 1985 | Cantieri Navali Nicolini Srl |
| Current $ea | 28.96 | 2011 | Princess Yachts |
| Curtsy | 27.77 | 1963 | Burger Boat Company |
| Custom Line 106/23 | 32.82 | 2025 | Custom Line |
| Custom Line 112/24 | 34 | 2011 | Custom Line |
| Custom Line 112/26 | 34 | 2012 | Custom Line |
| Custom Line 112/27 | 34 | 2013 | Custom Line |
| Custom Line 124/06 | 37.8 | 2015 | Custom Line |
| Custom Line Navetta 30/18 | 28.43 | 2024 | Custom Line |
| Custom Line Navetta 30/21 | 28.43 | 2025 | Custom Line |
| Custom Line Navetta 30/22 | 28.43 | 2025 | Custom Line |
| Custom Line Navetta 33/34 | 33 | 2025 | Custom Line |
| Custom Line Navetta 38/03 | 38.76 | 2025 | Custom Line |
