Your Ultra is probably a heck of a lot better on fuel than a boat. Unless its tiny or electric powered. A friend has a party barge, We go out once in a while. Got a grill right on board. What a hoot and Heck of a lot of fun fishing off them. But really a PITA to launch. If we stayed on this lake all the time. I'd love one. But we move to a different lake each weekend. He's only got a 16 footer and gets like 7 adults on it with a few kids. Really no all that expensive either.