Anyone know of possibility of renting a houseboat anywhere in Southern Maine that could accommodate 6 adults??
Using Google, I could only locate two houseboat rentals in Maine - one in Georgetown and one in Boothbay. Neither looks like it would hold 6 adults.
You might search for yacht charters to find boats large enough to live on, although these are going to be yachts not floating houses. Most of the charter agencies are in the Penobscot Bay and Acadia regions, but there are a couple of agencies in the Portand / Casco Bay area, such as http://www.yachtnorth.com/ Some of the charter brokers with offices further east might also represent yachts that are based in the Portalnd area, such as http://northpointyachtcharters.com/