Greenwich Water Club is located at 49 River Rd, Cos Cob, CT. This business specializes in Bars, Pubs, & Clubs. Greenwich Water Club is open Mon, 5am-10pm; Tue, 5am-10pm; Wed, 5am-10pm; Thu, 5am-10pm; Fri, 5am-10pm; Sat, 7am-8pm; Sun, 7am-6pm and accepts All Major Credit Cards, Cash, Mastercard, Personal Checks and Visa.