Tuamarina is a suburb which lies within the Territorial Authority of Marlborough, one of 36 residential suburbs which form the wider region. Tuamarina is the 27th largest suburb of Marlborough in terms of the total number of residential housing stock. Tuamarina 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 1990 - 1999. Residential housing stock in Tuamarina is made up of approximately 41% residential housing and 59% lifestyle properties.