Originally Posted by john61ct
For me it isn't just the water
or the mobility, certainly not comfort, it's the sensual pleasure of "silently" cruising long distances...
Your preferences are duly noted.
But this was not about you :-)
The OP mentioned a need for space, and a preference for multiple engines. They may well take an interest in comfort as well as mobility.
Hopefully they will add more detail as to what they seek.