Xtreme Retail Group - Xtreme Edge (Surf), Xtreme Skate, Xtreme Sports. serves Karratha and nearby areas of the Pilbara with retail & shopping services. Being locally based, Xtreme Retail Group - Xtreme Edge (Surf), Xtreme Skate, Xtreme Sports. knows the area and the needs of Karratha residents and businesses. Get in touch with Xtreme Retail Group - Xtreme Edge (Surf), Xtreme Skate, Xtreme Sports. using the contact details on this page.