This Member’s Mark 13′ x 13′ Butterfly Gazebo Pavilion originally $399.99 drops to just $299 at Sam’s Club. You save 25% off the retail price for this backyard gazebo. Shipping may add extra. We could not find a better price for this gazebo online. The Member’s Mark Butterfly Gazebo features a anti-rust powder coating, steel frame, large space, water-resistant, and polyester fabric. Sales tax is charged in most states. Deal may expire soon.