What yacht does Bill Gates own?

I'm curious to know, could you please elaborate on the specific yacht that Bill Gates, the renowned tech entrepreneur and philanthropist, owns? As someone with a keen interest in both finance and luxury lifestyle, I'm fascinated by the choices that billionaires make when it comes to their possessions, particularly those as grand as a yacht. Does Mr. Gates' yacht possess any unique features or characteristics that set it apart from others? Additionally, has he shared any insights into why he chose to invest in such a vessel? I'm eager to learn more about this fascinating aspect of his life.