The Cask is a wine bar in Ginza, Tokyo, just outside Ginza Station. It serves cocktails and Japanese whisky, including deep sea cask whisky aged 2,000 meters deep in the ocean and a persimmon cocktail called Persimmon Bochi Bol. Located on the 12th floor, it offers views of Ginza, and the bartender helps guests compare ocean-aged Japanese whiskies. Smoking is permitted.