Sandboarding just outside port elizabeth experience the high speed and adrenaline thrill of sandboarding or sand surfing on some of the highest as well as one of the worlds largest coastal dunefield systems in the world the alexandria dunefield is situated at the mouth of the sundays river near the addo elephant national park a mere 40km from port elizabeth take a leisurely 40 minute cruise on the sundays river ferry to the dunefields where the vessel will stop at the base of one of these