Perhaps I misunderstand your idea of a jetboat; but this one is well designed by Tripp and will easily handle any Lake conditions.
Jet boat by Tripp:
Crazy Horse 38' (12m) high performance Weekender
Twin Jet coupe, 21 inches draft
Beautiful mahogany and tawa interior
Top Speed 43 knots
Link below image:
http://www.trippdesign.net/content/g...rseGallery.htm
