There IS enough space, but you can't just throw them back there... you have to plan it out a little. There isn't enough to just set them in there across the back, the wheel wells/ subwoofer are in the way, but you can lay them diagonally, either on the floor or prop them up on wheel well. If you have a bunch of stuff in the cargo area, then you can lay the golf clubs straight across the back resting on the two wheel wells and whatever you have back there... I've been thinking about building a platform that would serve that could rest on the two protrusions on the back forming a shelf and a wider flat surface.
Short answer, yes they fit in, but not straight across the floor of the cargo area.