...amazing what you can do with a lot of bridge-building foam and something to put on top of it. Actually, look at the craftsmanship of the two decks. They're actually very well put together, - the planks are even all cut to the same size and mostly the same color. amazing they didn't just build the whole thing into a nice float box house-boat. ALso, I would not climb up that ladder, the whole thing would flip sideways, unless the weight was countered somehow.
we have some of those huge blocks of foam, but planning on using it to make some motorized floating docks for working on the side of our boat.