The Clandeboye Estate is a country estate in Bangor, County Down, Northern Ireland, 12 miles (19 km) outside Belfast. Covering 2,000 acres (8.1 km2), it contains woodlands, formal and walled gardens, lawns, a lake, and 250 hectares of farmland. Named after the former Gaelic territory of Clandeboye, the estate was the home of Lindy, Marchioness of Dufferin and Ava, widow of the last Marquess, until her death in October 2020.