GuinnessForeign ExtraStoutis brewed under license atWindward & Leeward Breweryfrom Diageo (parent company of Guinness). Guinness is brewed from natural ingredients which include Barley, Hops, Water and Yeast. Guinness captures our gift to the world: deep rich and satisfying beer. It is the undisputed Guinness stout of choice in St. Lucia.