BOOM Bar is a sports bar in the center of Hanoi's Old Quarter, at 51 P. Luong Ngoc Quyen in Hoan Kiem. It serves draft beer, cocktails, and a range of food and snacks, and has pool tables and board games. A happy hour for draft beer and cocktails runs from 9 a.m. to 9 p.m., and there is a terrace. The indoor space is small and dim.