Judging from the location (Naskeag Harbor), the international diving boat flag, and the added wooden hut, my guess is that this is a vessel that has been modified for a person who dives into the local waters to hand-harvest “diver’s scallops” or urchins.
The hut would be the shelter where the harvest is shelled and sorted by the diver and/or a crew member.
Beauty may be in the eye of the beholder, but sometimes functionality seems to be obvious to everyone. (Images taken in Brooklin, Maine, on December 6, 2023.)