Waikawa is a suburb which lies within the Territorial Authority of Marlborough, one of 36 residential suburbs which form the wider region. Waikawa is the 8th largest suburb of Marlborough in terms of the total number of residential housing stock. Waikawa provides a range of housing stock, with the earliest residential housing recorded in the area constructed between 1900 - 1909. The majority of the residential housing stock in the locality was constructed between 2000 - 2009. Residential housing stock in Waikawa is made up of approximately 96% residential housing , 3% residential investment housing and 1% lifestyle properties.