Home › Venues › DECC Auditorium DECC Auditorium Tickets Buy tickets for concerts at DECC Auditorium in Duluth, MN. No Upcoming Events No upcoming events scheduled at DECC Auditorium. Please contact us with any corrections. Hotels & Lodging Near DECC Auditorium About the Venue DECC Auditorium At-a-Glance Capacity 6,600Address350 Harbor DriveDuluth, MN 55802United States Map & Directions Website decc.org/Advertisement