Marine biologist and scuba legend Steve Sinclair is back again this week to finish revealing the Top 50 Dive Sites in Australia. Steve has spent over five decades exploring every reef, wreck and cave from Tasmania to the Top End — and now he’s sharing his secret spots with us!
From world-famous coral gardens on the Great Barrier Reef to secret, world-class dive spots you’ve never heard of, Steve shares insider stories and tips from a lifetime beneath the waves.
Plus — find out how you could win free dive trips by joining Steve’s Top 50 challenge and ticking off dives from your bucket list!
Image: Steve diving at the world-famous Cod Hole in October 2025.
Join the challenge: 50greatdives.com
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