Not without a weird angle and I'm not sure there. Certainly not flat. The VIP lounge chairs do not fold completely flat. You can move them forward, and angle them some. That gives you roughly 86 cubic feet of space. If you want maximum cargo you will need to go with a lower trim that let's you remove the middle row. I've seen images of those with plywood. Assuming you mean 4' x 8' plywood.