Yes, I know the Grace Bailey!
We went on a cruise in 2002, with a group of Scottish Country Dancers.
We were out for a week.
She is a very shallow boat with very little room below decks, and the only place we could find to dance was sideways, just aft of the main mast. We put the head of the set at the center, by our battery powered boom box. This gave new meaning to the phrase "once and to the bottom"--
MD