Cash Bar or Open Bar Service - In House - Second Story LoungeCash Bar or Open Bar $150. 00 for professional bartender and full bar service for 2 hours. Beer & Wines. If you are ordering an open bar, the drinks will be kept track of and paid for by you at the conclusion of the event. Includes managing music selections, hosting in the room, and general beverage service with alcoholic and non alcoholic options. 2 Hour Minimum