He says Frontier, which also serves Mexican beach destinations with up to 24 flights on peak winter days from Denver, Indianapolis, Kansas City and Milwaukee, is currently looking at linking Denver with Belize City, Liberia, Roatan as well as Grand Cayman and Montego Bay in the western Caribbean. Shurz explains: "We made a bet on San José and did it right. We may make a bet on one or two Central American or Caribbean markets."