I stepped onto the rooftop just as the last amber slice of daylight slipped behind George Town, Grand Cayman, the trade winds lifting the scent of sea salt and caramelized jerk from the kitchen. At 144 feet up, Byū sits atop ONE|GT — the capital city’s newest high-rise hotel and tallest building — where pastel rooftops give way to the Caribbean Sea. Eat Well and Stay a While: Inside the New Grand ...