Prime Roast Beef and Seafood Inc is located at 321 Marrett Rd, Lexington, MA. This business specializes in Seafood Restaurants. Prime Roast Beef and Seafood Inc is open Mon, 11am-9pm; Tue, 11am-9pm; Wed, 11am-9pm; Thu, 11am-9pm; Fri, 11am-9pm; Sat, 11am-9pm; Sun, Closed and accepts Cash and Discover.