The ultimate dinghy?
http://www.watercar.com Perhaps, if you have enough money. I have emailed them asking about towability. If I get an answer, I will post it here.
Forum Discussion
I remember in the late 70's there was a company, that built an sold drive on barge setup for RV's for lake applications. Was really a neat idea. You needed a regular boat ramp and poof off you go. As i recall it was actually pretty inexpensive, like a houseboat alternative.
