Khoai Ruin Bar located in Saigon’s up-and-coming nightlife area, Phạm Viết Chánh, (near Landmark 81), might be the only Budapest-style ruin bar in the city. The vibe is laid back cool, despite the bar having no air-conditioning. Relax and let the wide selection of bottled and craft beers, freestyle cocktails, and ‘organic’ interior do the talking!