Tennyson Inlet is a suburb which lies within the Territorial Authority of Marlborough, one of 36 residential suburbs which form the wider region. Tennyson Inlet is the 23rd largest suburb of Marlborough in terms of the total number of residential housing stock. Tennyson Inlet provides a range of housing stock, with the earliest residential housing recorded in the area constructed between 1890 - 1899. The majority of the residential housing stock in the locality was constructed between 1980 - 1989. Residential housing stock in Tennyson Inlet is made up of approximately 98% residential housing , 1% residential investment housing and 1% lifestyle properties.