More Vegas than Boston, Splash Ultra Lounge & Burger Bar boasts a glammed-out multilevel setting in the Leather District with plush, low-lit rooms and seating options that include sofas, settees and private nooks, plus an elegant roof deck with private cabanas and a fountain; once you’ve settled on a cocktail, check out the midpriced menu of American tapas and burgers, offered late into the night.
150 Kneeland St.; 617-426-6397