Kangaroo Island waters offer arguably the best temperate-water diving in Australia. Divers can explore some of the more than 50 shipwrecks around the coast, and swim among corals, sponges, and fish. The beautiful leafy sea dragon is endemic to the island's north-coast waters.
Kangaroo Island Dive and Adventures. This company offers dives in unspoiled wilderness areas, shore-based dives in Kingscote, scuba lessons, tuna fishing adventures, and kayak rentals. 15 Kingscote Terrace, Kingscote, SA, 5023. 08/8553–3196. www.kangarooislanddiveandadventures.com.au.
Kangaroo Island Diving Safaris. If you're interested in day trips, live-aboard tours, or dive training courses, Kangaroo Island Diving Safaris is a good place to start. They promise interactions with seals and dolphins on most trips. RSD 451, Kingscote, SA. 08/8559–3225. www.kidivingsafaris.com.