It's actually a bunkhouse. It gets towed out to an island about 20 miles from the harbour for the summer. There is a sail training brigantine (almost, no square sail on the main mast) called Black Jack that takes kids out and they sail/camp out for up to two weeks at a time.

http://www.tallshipsadventure.org/youth-summer-camps/blackjack-island-summer-camps/