This case study documents the restoration of the Te Hira Whanau Bach, one of only 34 remaining on Rangitoto Island (Hauraki Gulf), by Te Hononga – The Māori design studio located in the Unitec NZ Department of Architecture, in collaboration with the Te Hira Whanau. This exercise highlights the notion of cultural sustainability as well as the sustainability of the unique Rangitoto Bach typology and was undertaken as part of the inaugural Sustainable Habitat Challenge (SHaC 09) receiving commendations for ‘Vision’ and ‘Client collaboration’.