An in-line skateboard for supporting a rider with his feet in side-by-side relation one on each side of the longitudinal centerline of the board has a toe abutment wall for preventing forward movement of the rider's shoes and a heel support supporting the shoe heels at an elevation substantially above the surface of the board. The wheel base is very short, preferably no greater than the distance between the toe abutment and the heel support, to provide steering control by the rider by leaning the skateboard and shifting his weight to provide more or less weight on the front or rear wheels, respectively. The in-line wheels may be replaced with a single skate blade for using the skateboard on ice.