Mareero comprises several domains, including coastal habitat, frankincense and other myrrh groups growing plateau, grazing areas and most importantly the marero natural harbour which has deep enough to provide anchorage. The Mareero located just outside Bosaso (10 kilometres (6.2 mi) eastern direction. The marero harbour became an illegal immigration route connecting Somalia and Yemen and Arab peninsula at large since the collapse of the Somali central government early 1991. The harbour was formerly used by Somali business communities for centuries. According to reports boats carrying arms smuggled from Yemen have been docked at the Marero harbour.