-an upper deck for sunbathing, tenting or jumping into the water

-more headroom for a spacious feel

-upgraded lighting and a self-sufficient electrical system

-a larger, buoyant deck/dock that, along with the upper deck, doubles the useable floor space

-four times the glass, increasing the view

-more layout options

-increased storage

-the same footprint as Class A but with more curved walls and no upper deck

-less interior framing to make it lighter to tow on land and easier to maneuver on water

-easier to deploy on ice or water

-lower price point and faster construction

-fully insulated walls and floor

-a more modest profile

-a quaint, covered front porch

-can be coupled with Class A but not other Bs