sentences:  The economy of the district is based on agriculture, forestry and fishing.The council seat and administration offices are outside the council boundaries in Mount Gambier, while it maintains a branch office in Port MacDonnell.The council includes the towns and localities of Allendale East, Blackfellows Caves, Canunda, Cape Douglas, Caroline, Carpenter Rocks, Caveton, Compton, Dismal Swamp, Donovans, Eight Mile Creek, German Creek, Kongorong, Mil-Lel, Mingbool, Moorak, Mount Schank, Nene Valley, Pelican Point, Pleasant Park, Port MacDonnell, Racecourse Bay, Square Mile, Tarpeena, Wandilo, Wye and Yahl, and parts of Burrungule, Glenburnie, OB Flat, Suttontown, Tantanoola, Wepar and Worrolong.