Home History 30-Second Minnesota: What’s the oldest building in downtown St. Paul? 30-Second Minnesota: What’s the oldest building in downtown St. Paul? By TPT Originals June 24, 2019 Where’s the oldest commercial building in St. Paul, Minnesota? Hint: It’s the current home of the “Coney Island Tavern.” Discover more bite-sized state history stories by checking out our 30-Second Minnesota series. UP NEXTMORE FROM AUTHOR Reflections on 9/11: “I look at it as my Pearl Harbor.” Minnesota’s Iron Range Mines a New Industry What’s in a name? Afton is as ‘sweet’ as it gets.