Cave, Cavern & Sinkhole Dives in Queensland

From the Mount Gambier sinkholes to the Nullarbor caves and Christmas Island's sea caves. Many sites require cave-diving certification, permits or bookings; the technical notes on each page explain what is needed.

All states QLD NSW VIC TAS SA WA NT Territories

41 sites

Sort:Default Most dived Deepest Shallowest A–Z

ReefMax 40 mArea view

Aladdin's Cave (Far Northern GBR)

Far Northern Reef & Torres Strait · QLD

Soft-coral walls and coral gardens, paired with the Stanley Island rock-art excursion.

Deep/Advanced + experienceAdvanced

Cave/CavernDepth not published

Alden's Cave (Flinders Reef)

Brisbane & Moreton Bay · QLD

A short, sunlit swim-through cave with an opening in its roof – an easy first cave experience on Brisbane's best coral…

Open WaterBeginner

ReefDepth not publishedArea view

Big Woody (Great Detached / Wood Reef)

Far Northern Reef & Torres Strait · QLD

Reef peninsula with a cave, soft-coral walls and a current-swept point.

Advanced Open WaterAdvanced

ReefDepth not publishedArea view

Blue Lagoon (Agincourt Reef)

Port Douglas · QLD

A rarely visited, hard-to-reach lagoon dived only in perfect conditions.

Open WaterIntermediate

ReefMax 16 m

Blue Pools (Heron Island)

Heron Island & Capricorn Group · QLD

Shallow gutters and a sheltered Olympic-pool-sized hollow with resting turtles, wobbegongs and patrolling whitetips.

Open WaterBeginner

Pinnacle/BommieMax 30 m

Boat Rock

North Stradbroke Island · QLD

An exposed spire off Queensland's easternmost point with colourful caverns and schools of big fish.

Advanced Open WaterAdvanced

ReefMax 25 m

Boult Reef

Lady Musgrave & Bunker Group · QLD

Remote northern Bunker reef with bommies, ledges and caves visited by Maori wrasse, nurse sharks and mantas.

Advanced Open WaterIntermediate

ReefMax 25 m

Brennan Shoal

Brisbane & Moreton Bay · QLD

A quieter twin of Roberts Shoal, with pinnacles, big caves and schools of pelagics.

Advanced Open WaterAdvanced

ReefDepth not published

Cathedrals (Opal Reef)

Port Douglas · QLD

Opal's rarely visited 'Blue Lagoon' with a maze of cathedral-like swim-throughs.

Open WaterIntermediate

Cave/CavernMax 30 m

Cherubs Cave

Brisbane & Moreton Bay · QLD

A 20 x 15 m cave with six exits, surrounded by gullies where grey nurse sharks gather in winter.

Advanced Open WaterAdvanced

Sinkhole/CenoteMax 35 mArea view

Cockatoo Reef Blue Hole (Pompey Complex)

Swain Reefs · QLD

A near-circular, coral-rimmed drowned sinkhole up to 295 m across and 40 m deep – one of the GBR's rare blue holes.

Deep/Advanced + experienceIntermediate

ReefMax 12 m

Coral Gardens (Lady Elliot Island)

Lady Elliot Island · QLD

Lady Elliot's prettiest shallow coral, with open archways and swim-throughs and schooling barracuda – an ideal first…

Open WaterBeginner

ReefMax 35 m

Flat Rock

North Stradbroke Island · QLD

A protected rock complex with four sites – coral gardens, turtle caves, a deep coral bowl and a winter grey nurse shark…

Deep/Advanced + experienceIntermediate

ReefMax 28 m

Flinders Reef

Brisbane & Moreton Bay · QLD

Highest coral diversity of any subtropical reef on the east coast and Brisbane's best-known dive; the turtle cleaning…

Advanced Open WaterBeginner

ReefMax 16 m

Gorgonia Hole (Heron Island)

Heron Island & Capricorn Group · QLD

A maze of cracks and small caves hung with gorgonians, where turtles wedge themselves in to rest and painted crays hide.

Open WaterBeginner

Pinnacle/BommieMax 25 m

Hendersons Rock

Brisbane & Moreton Bay · QLD

Granite pinnacle, kelp beds and a long gutter where grey nurse sharks gather in winter – one of Brisbane's best, least…

Advanced Open WaterAdvanced

WallMax 25 m

Hiro's Cave (Lady Elliot Island)

Lady Elliot Island · QLD

A spectacular eastern wall with a 16 m cleaning station where mantas or silvertip sharks circle.

Advanced Open WaterIntermediate

ReefMax 20 m

Hole in the Wall (Heron Island)

Heron Island & Capricorn Group · QLD

Swim through a two-diver-wide hole in the reef and drift to Paradise Bommie, where strong currents bring in mantas,…

Advanced Open WaterIntermediate

ReefMax 30 m

Hutchison Shoal

Brisbane & Moreton Bay · QLD

Rarely dived shoal with spectacular drop-offs, caves and ravines and masses of pelagic fish.

Advanced Open WaterAdvanced

WallMax 22 mArea view

Jeff's Edge (Lady Musgrave)

Lady Musgrave & Bunker Group · QLD

A drift along an outer wall of overhangs, caves and crevices, with sharks, rays and turtles off the edge.

Advanced Open WaterIntermediate

Cave/CavernDepth not publishedArea view

Jons Cave

Brisbane & Moreton Bay · QLD

A newly found multi-entrance cave system with black coral and crayfish under a kelp-topped reef on Moreton's wild…

Advanced Open WaterAdvanced

WallMax 25 m

Lamont Reef – Andrews Caves

Lady Musgrave & Bunker Group · QLD

A huge coral-encrusted wall full of caves, large and small, dived as a gentle drift an hour from Heron.

Advanced Open WaterIntermediate

WallMax 30 m

Llewellyn Reef – The Catacombs

Lady Musgrave & Bunker Group · QLD

A wall of caves, ledges and swim-throughs to 30 m, decorated with black coral, gorgonians and whips.

Advanced Open WaterAdvanced

Cave/CavernMax 30 m

Pixie's Caves

Ribbon Reefs & Lizard Island · QLD

A labyrinth of sunlit caves and chimneys along a sloping reef.

Advanced Open WaterIntermediate

ReefMax 35 m

Roberts Shoal

Brisbane & Moreton Bay · QLD

A 'ruined cathedral' of arches, spires and caves just off the Cape Moreton lighthouse.

Deep/Advanced + experienceAdvanced

WallMax 25 mArea view

Rosswall

Brisbane & Moreton Bay · QLD

A lightly dived coral-covered wall with overhangs and caves off northern Moreton Island.

Advanced Open WaterAdvanced

ReefMax 20 m

Shag Rock

North Stradbroke Island · QLD

A sheltered rock with a swim-through cave linking both sides – Straddie's go-to dive for beginners, macro and night…

Advanced Open WaterBeginner

Pinnacle/BommieMax 21 m

Smiths Rock

Brisbane & Moreton Bay · QLD

Granite pinnacles with swim-throughs and caverns on the rock that sank the Aarhus, St Paul and Marietta Dal.

Advanced Open WaterAdvanced

WallMax 26 m

Southern Ledges (Lady Musgrave)

Lady Musgrave & Bunker Group · QLD

Lady Musgrave's exposed southern drop-off, undercut by ledges and caves and hung with black coral and gorgonians.

Advanced Open WaterAdvanced

ReefMax 20 m

Stonehenge (Agincourt Reef 3)

Port Douglas · QLD

Coral pillars and arches forming swim-throughs, with some of the healthiest hard coral in the Port Douglas area.

Advanced Open WaterBeginner

Cave/CavernMax 22 m

The Blowhole (Lady Elliot Island)

Lady Elliot Island · QLD

Swim through an L-shaped cave from 14 m to 22 m and watch silvertip sharks being cleaned outside.

Advanced Open WaterIntermediate

ReefMax 18 m

The Canyons (Hardy Reef)

Whitsundays & Bowen · QLD

An 'endless maze' of tunnels, canyons and shallow caves on Hardy Reef, with caves packed with morwong.

Open WaterIntermediate

ReefMax 12 mArea view

The Caves (Gneerings)

Sunshine Coast · QLD

A shallow 12 m ledge with overhangs and small swim-throughs – schools of surgeonfish, wobbegongs and ray cleaning…

Open WaterBeginner

WallMax 24 mArea view

The Caves (Lady Musgrave)

Lady Musgrave & Bunker Group · QLD

An outer wall riddled with overhangs, caves and crevices – the Lady Musgrave programme's photographers' favourite.

Advanced Open WaterIntermediate

ReefMax 18 m

The Chapel (Agincourt Reef 4)

Port Douglas · QLD

Swim-throughs, dense anemone fields with clownfish, and grey reef sharks on a compact patch reef.

Open WaterBeginner

Cave/CavernMax 22 m

The Chimney & Cathedral (Bait Reef)

Whitsundays & Bowen · QLD

A trench and 20 m tunnel through the reef wall onto the outer slope, and a light-filled chamber reached by swim-through.

Advanced Open WaterAdvanced

Sinkhole/CenoteMax 40 mArea view

The New Blue Hole (Pompey Complex)

Swain Reefs · QLD

A 100 m-wide blue hole with sheer walls reported to plunge to 90 m – an expedition-only dive.

Technical (decompression)Expert/Technical

WallMax 25 m

Tubes (Lady Elliot Island)

Lady Elliot Island · QLD

Tube-like channels, caves and ledges on the eastern wall, dived as part of the Blowhole-to-Hiro's Cave drift.

Advanced Open WaterIntermediate

ReefDepth not publishedArea view

Tunnels (Gneerings)

Sunshine Coast · QLD

One of the lesser-documented named reef sites in the Mooloolaba operators' rotation – a chance to dive typical Gneering…

Open WaterIntermediate

Cave/CavernMax 30 m

Turtle Caves (Flat Rock)

North Stradbroke Island · QLD

Turtles resting in caves and under ledges at Flat Rock, with bull rays and mobulas cruising past.

Advanced Open WaterIntermediate

ReefMax 15 m

West End (Agincourt Reef 2)

Port Douglas · QLD

The largest swim-through caves on Agincourt plus a very large, friendly Maori wrasse.

Open WaterBeginner