Photo: Richard Ling · CC BY-SA 2.0
Great Barrier Reef Marine Park, off Ayr, Queensland · Australia
The SS Yongala went down in a cyclone in 1911 with all 122 aboard and lay unfound for nearly half a century. Today she is routinely called the best wreck dive in the world, and it is not really about the ship: alone on open sand inside the Great Barrier Reef Marine Park, the 109-metre steamer is an oasis mobbed by life grown absurdly large. Marble rays like patio tables shelter under the bow, Queensland grouper the size of sofas hold the stern, trevally storms wrap the midships, olive sea snakes thread the rails and bull sharks cruise the blue above. She is protected — no penetration, no touching — and the diving is honest: mooring-line descents, 15-28 metre profiles and current that can pump, which is exactly what feeds the spectacle. Advanced certification, or a guide, is the sensible standard. Day boats launch through the surf at Alva Beach near Ayr, between Townsville and Airlie Beach; liveaboards visit from Townsville. August to December gives the calmest seas. Three days with four wreck dives runs about £450 — extraordinary value for a bucket-list dive.
Prefilled for 1 October 2026 — the next best-season window. Search on partner sites — opens in a new tab.
Tour operators & guided experiences via Viator
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