Sandsurfing to keep on the straigt and narrow in Cape Town Sand, steep hills and speed - sand boarding is proving the perfect escape for young people living in some of Cape town’s roughest areas. Every Friday afternoon after school Derek Bredenkamp from Mamba Sandboarding in Cape town takes children from the Atlantis Community to sand board in the Atlantis Dunes just outside of Cape town, with. IMAGES AND SOUNDBITES.