Of the many things Miami is synonymous with—excess, partying, glitz, sex, and sea—cute is not one that comes to mind. Cute, or its sibling charming, requires restraint. But on Miami’s South Beach on a street whose Old World buildings were the epicenter of the Roaring ’20s and later the backdrop of Miami Vice is a new hotel, the Esmé, that is the embodiment of cute and charming.