Australia is blessed with one of the most diverse marine ecosystems in the world. From its tropical north to its cool temperate waters, the land Down Under is truly a diver's paradise. Exploring Underwater Australia, divers will see amazing coral reefs, shipwrecks, walls, pinnacles, artificial reefs, bommies, kelp forests, sponge gardens and muck sites.

Australia is also a destination where divers will encounter many wonderful endemic species seen nowhere else in the world, such as colourful seadragons, cross-dressing cuttlefish, bizarre handfish and camouflaged wobbegongs.

Filled with wonderful pictures, this is an essential guide book for anyone who wants to explore the best dive sites Down Under, discovering every section of this great southern land, state by state and region by region.

Information is provided on the best dives sites, detailing marine life, terrain, depth and conditions, plus a list of dive operators is included to assist you when exploring these sites.

Features are also included on the top 25 dive sites - the must-visit locations around the country.