If you live near
a lake but not on
the lake; a bike boat trailer is the way to tow your small boat to the neighborhood lake. This trailer is made from black iron pipe and wheelbarrow wheels. It uses standard threaded pipe fittings so there is no welding involved.
The boat is 9 feet long and weighs over 100 lbs by itself (and the trailer of steel pipe is not exactly light weigh). You can see in the video it maneuvers nicely, and is not a problem to tow (though I wouldn't want to take it up any steep hills!)