Are you sure they were 4x4's? I know out at Race Point they take 2X4's out on the beach to camp. I don't know how low they take the tire pressure down to, but they do get out there. Of course, they are not cruising up and down the beach with them. They pretty much park them and use a second SUV to move around and off the beach.
[This message has been edited by Scott Branco (edited 03-20-2000).]