Southend (formerly known as Grey Town and Grey) is a town in South Australia located on the Limestone Coast on the southern shore of Rivoli Bay about 395 kilometres south-east of Adelaide. Southend has a large working cray fishing port and is a popular holiday destination. Southend is suitable for boating, sailing, wind surfing and many other water sports. Southend has a vast, safe swimming beach. Canunda National Park is approximately 9300 hectares in size and has well signposted four wheel drive tracks from Southend to Carpenter Rocks. Enjoy a great day out and see ancient Indigenous shell middens and superb scenery. It is a spectacular seaside town with lovely trails and walks along the clifftops fun for all.