Kettering is a coastal town on the D'Entrecasteaux Channel opposite Bruny Island, Tasmania, Australia. At the 2011 census, Kettering ha…Kettering is a coastal town on the D'Entrecasteaux Channel opposite Bruny Island, Tasmania, Australia. At the 2011 census, Kettering had a population of 984. The area was explored by Bruni D'Entrecasteaux in 1792 and was settled in the early 19th century by timber cutters, whalers and sealers. Life was hard and the people who lived in the area rarely settled for long preferring the life in Hobart Town to the whaling stations and logging camps.