Churchill Island is a 50.7 hectares (125.3 acres) island in Western Port, Victoria, Australia. It is connected by a bridge to Phillip Island. It is the site of the first European garden in Victoria. It contains a working farm, cottages dating from the 1860s and a homestead dating from 1872, all fully restored and open to the public. The island adjoins the 670 hectares (1,656 acres) Churchill Island Marine National Park.