| Name | Length (m) | Year | Builder |
|---|---|---|---|
| Cielo Mare | 38.71 | 2009 | Townsend Bay Marine |
| Cigdem | 60 | 1998 | Erdogan Usta |
| Ciliam | 28 | 1999 | Salthouse Marine Limited |
| Cinderella Noel IV | 49.9 | 2024 | Heesen Yachts |
| Cinquanta 50 | 35.6 | 2014 | Admiral |
| Cipango | 30 | 1992 | New Versilcraft srl |
| Cipitouba | 40 | 2002 | Feadship |
| Cipitouba II | 34.5 | 2009 | Cyrus Yachts |
| Cisne | 37.1 | 2011 | RioStar Yachts |
| Cklass Nautique | 45.44 | 1992 | Niigata Shipyard |
| Claire | 30.5 | 2003 | Hatteras Yachts |
| Clara One | 32 | 1961 | Sarri |
| Claremont | 32 | 2009 | VBG Super Yachts |
| Clarissa | 29.87 | 1999 | Valena Yachting |
| Clarissa | 32 | 1977 | Poole |
| Clarity | 31.6 | 2003 | Leight Notika |
| Clase Azul | 48.24 | 2022 | Tramontana Yachts |
| Claudia's | 28.27 | 2009 | Overmarine Group SPA |
| Claypen | 28.17 | 2012 | Ocean Alexander |
| Clear Eyes | 43.13 | 2010 | Pax Navi |
| Clelia III | 59.8 | 2011 | CRN |
| Cleon | 34.14 | 1941 | Vosper Thornycroft |
| Cleopatra | 35.5 | 2009 | Riva S.p.A. |
| Cleopatra | 57 | 1985 | Amels |
| Clia | 36.3 | 2004 | Heesen Yachts |
| Clic | 28.93 | 2022 | Sanlorenzo |
| Clic | 29.1 | 2021 | Sanlorenzo |
| Cloud 9 | 44.5 | 2024 | Sanlorenzo |
| Cloud 9 | 40.6 | 2007 | KaiserWerft GmbH |
| Cloud Atlas | 46 | 1990 | Lloyds Ships |
| Cloudbreak | 75.28 | 2016 | Abeking & Rasmussen |
| Cloudia | 28.06 | 2019 | Sunseeker |
| Club M | 39.75 | 2020 | Baglietto S.p.A. |
| Club M II | 29.26 | 2014 | Ferretti Yachts |
| Coal Blooded | 28.04 | 2014 | Pershing S.p.a. |
| Coastal Drifter | 29.26 | 2003 | Bloemsma & van Breemen |
| Cobana | 28.96 | 2018 | Sanlorenzo |
| Cobra King | 38.6 | 2005 | Cobra Yacht |
| Cobra Queen | 30.5 | 2004 | Cobra Yacht |
| Coco | 27.6 | 2007 | Sanlorenzo |
| Coco | 45.1 | 2006 | Izar |
| Cocoa Bean | 73.98 | 2014 | Trinity Yachts |
| Cocoon | 37.8 | 2023 | Moonen Yachts |
| Code | 28.14 | 2009 | Sunseeker |
| Code 8 | 49.8 | 1996 | Benetti SpA |
| Cofina | 40.24 | 2016 | Benetti SpA |
| Colette | 29.8 | 2010 | Sunseeker |
| Colombaio | 28.8 | 1992 | Jongert Yachts |
| Colonel Manderson | 29.87 | 2011 | Horizon Yachts |
| Columbia | 43.03 | 2014 | Eastern Shipbuilding Group |