Home > Listings > Tappa Keg InnTappa Keg Inn 7036 Grand Ave, Duluth, MN 55807, USA218-624-9881 https://www.facebook.com/tappakegrestaurant View Map Located across from the Lake Superior Zoo, the Tappa Keg offers delicious, home-style cuisine at competitive prices. The cozy atmosphere and friendly staff are what keep customers coming back again and again!