The Old Well Tiki Bar is a tiki bar near Hoan Kiem Lake serving cocktails that combine Hawaiian decor with Vietnamese flavors. Its creative drinks include a pho cocktail with the aroma of the noodle soup, along with a mai tai and coconut cocktails. Happy hour runs from 5 to 7 p.m., and a terrace and back garden sit under a high glass ceiling. DJ music starts at 9:30 p.m.