El Blok, Vieques, Puerto Rico Natanial Fuster’s dramatic boutique hotel has become Vieques’ signature place to stay, with 22 colorful, funky rooms, an impressive food and beverage program and a hot-tub-accented rooftop deck that’s a reason to visit all by itself. On an island that’s long been Puerto Rico’s beachy sanctuary, it’s a veritable town square.