The Pier (Gaplin Entertainment) Share: Restaurants The Pier (Gaplin Entertainment) 1120 Riverwood Drive Bismarck, ND 58504 701-751-4144 About Map About Nestled in Bismarck’s Southport neighborhood. This gem on the river has a summer patio with docks & fuel station for your boat while you enjoy food & drinks. Winter blues? We are open year round! What's Nearby? Distance: 5 10 15 20 25 50 mi.