Home › Venues › Avant Gardner Avant Gardner Tickets Buy tickets for concerts at Avant Gardner in Brooklyn, NY. No Upcoming Events No upcoming events scheduled at Avant Gardner. Please contact us with any corrections. Hotels & Lodging Near Avant Gardner About the Venue Avant Gardner At-a-Glance Capacity 6,000Address140 Stewart AveBrooklyn, NY 11237United States Map & Directions Website www.avant-gardner.com/Advertisement