Found this sale listing from St. Croix:
http://www.yachtworld.com/boats/1915/Co ... LuQtvkrLIU
It's the former G-tug Missouri and Michigan that went to Puerto Rico in 1997. Now running under the name Cape Flattery. This is the first I've seen of the tug since it left the Lakes. Incredible that it's still around in the Caribbean at age 102.