50-meter Columbus S50 Superyacht "K2" Launched If there is a 2021 edition of the Monaco Yacht Show (MYS) that is where you will find Columbus Yacht's newest superyacht, the 50-meter (49.5-meter) S50 model named "K2". This yacht has been launched and in the water and already commenced sea trials. K2 is almost ready for delivery to her owner. The design of the vessel is by Luca Dini with an interior also by Luca Dini Design. This yacht will be delivered to an experienced client who has built with the Columbus/Palumbo yard before. In fact this is their third yacht with the Italian yard.