The first floating taco bar in the Caribbean just opened in Round Bay, St. John, with specialty drinks and gourmet tacos you can enjoy at its swim-up bar or have delivered to your boat nearby. It’s the brainchild of the people who run the Lime Inn in Cruz Bay, and it’s called Lime Out. And Lime Out is green in more than its color. It has a solar-powered kitchen, and the cups, menus and packaging are all recyclable or biodegradable. Don’t look for a straw; there aren’t any. Because of licensing restrictions, you don’t actually enter the Lime Out. One side…