MV Spirit of Kangaroo Island is operated in Australia from Cape Jervis, South Australia, to Penneshaw, Kangaroo Island, by SeaLink Travel Group. The trip takes approximately 45 minutes. She operates with with 6 crew, and has a capacity for 244 passengers and 55 cars, or 16 cars and eight trucks.
The vessel is a 50.4 m aluminium catamaran constructed in 2003. She is powered by two Caterpillar 3512B diesel engines and has service speeds around 16 knots, with a maximum speed of 18 knots. She was built by Austral Ships, Western Australia.