Green Island is a suburb which lies within the Territorial Authority of Dunedin, one of 97 residential suburbs which form the wider region. Green Island is the 6th largest suburb of Dunedin in terms of the total number of residential housing stock. Green Island provides a range of housing stock, with the earliest residential housing recorded in the area constructed between 1880 - 1889. The majority of the residential housing stock in the locality was constructed between 1950 - 1959. Residential housing stock in Green Island is made up of approximately 97% residential housing , 2% residential investment housing and 1% lifestyle properties.