Celtic House Whiskey Bar, a fresh addition to the Celtic House Irish Pub and Restaurant legacy. Bringing a traditional Irish whiskey bar experience to the DC, Maryland, and Virginia area, our new venture boasts an extended whiskey selection and an inviting private event space. Open Weds thru Sat 4pm - 1:30am. Available for Private Events All Week. Celtic House Irish Pub & Restaurant UPSTAIRS is OPEN SEVEN Days a Week from 11am for lunch with Brunch on Sundays from 10:30am.