Mile Marker One restaurant in Gloucester MA is a waterfront restaurant and bar on the water in Cape Ann MA. We serve breakfast, lunch and dinner. Our river front dining room and bar offers four season indoor dining. Our outdoor dining includes covered and sun exposed outdoor seating both on our deck and restaurant front side piazza. We offer fresh seafood to grass-fed beef, lobster rolls to burgers, fresh tuna to steamed clams, charbroiled oysters to raw on the half shell.