The ultimate dinghy?

mowermech wrote:
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.

With some of the little setups I've seen for campers and boats, I always thought a large self contained enclosed pontoon would make for an excellent do it all and one that could be towed behind a pickup.
Here you could use it on land or sea at will and shouldn't have to sell the farm to obtain it. In fact, it would make for a good do it yourself project.