Billion-dollar boat from Austria with all sorts of bells and whistles shocks average earners: “Humanity is crazy”. Super-rich submarines with all kinds of bells, whistles aren't "just about the length, performance or design" The 23 meter wide boat can travel at a speed of 37 km/h above water and almost 23 under water.
With the latest technology and the option of extra small submarines, the ship can be adapted to the preferences of the future owner.