Some things are just cute. La Caja Miami’s custom barge is exactly that. Like your own floating venue, La Caja sets you and your entourage up for a day on the water. We’re thinking this is where to do the next birthday party, shower, or lazy Sunday. Imagine your own living room, cozy and familiar—but instead of walls, you’re surrounded by the Miami skyline and blue water. Now add a wet bar, your group of friends, and a DJ. Or…