Yacht and Marine Vessels Design Curvelle quaranta luxury power catamaran superyacht by Luuk V. van Zanten The Curvelle quaranta is a superyacht catamaran constructed of carbon hybrid composite in Istanbul Turkey. The yacht has been developed by YachtMarketing Ltd. Its founder Luuk V. van Zanten put together a team of designers, naval architects and marine engineers from various continents to realise the stages from concept to final award winning product.