They are actually really neat boats. I've seen them on the St Johns River alot. Along the coast of Fla. They are a trawler, liveaboard type vessel. I like them. It's on the, retire to a trawler boat when the time comes for me.
I saw this guy down on Block Island back in late July... the boat definitely stood out in the mooring field. He had the Harbormaster visit him a couple of times - maybe he's from out-of-country.