 On 27 July 2011, together with the Eastern Maar People, the Gunditjmara People were recognised to be the native title-holders of the 4,000 hectares of Crown including Lady Julia Percy Island, known to them as "Deen Maar".The Gunditj Mirring Traditional Owners Aboriginal Corporation (GMTOAC) is a Registered Native Title Body Corporate under the Commonwealth "Native Title Act 1993", and a Registered Aboriginal Party under the Victorian "Aboriginal Heritage Act 2006".The TOAC owns culturally significant properties across Western Victoria on behalf of the Gunditjmara community.