Well, there's this shantyboat:

https://www.clcboats.com/sketchbook/shanty_boat.html

...in the "Sketchbook".  There was also a "motorized shantyboat":

https://www.clcboats.com/images/blog/Bigger%20PocketShip/Expedition%20Shanty%20Boat%20Render.jpg

...in Johns blog piece on ideas for "The (Unending) Search for the Bigger PocketShip" here:

https://www.clcboats.com/life-of-boats-blog/The-Search-for-the-Bigger-PocketShip.html

...both probably bigger than what you are imagining, but they show that such notions do rattle around in John's head from time to time.

.....MIc hael

From the CLC Teardrop Camper FAQ:

Couldn't this be turned into a boat somehow?  Mounted on floats, or a raft, or something?

Google "Shanty Boat" for a far better selection of small floating homes. This is a machine for the highway. Carry your boat on the roof racks.

Some CLC concepts for a shantyboat:

Dillon's version

John's version

Laszlo 

Gramps snuck in while I was searching, cutting and pasting. The pictures are from the links he's provided.

Laszlo