Sites dived on the current: tidal channels like the Gold Coast Seaway, Swansea and Port Phillip Heads, and the reef passes of the Coral Sea and the Rowley Shoals. Surface marker, boat cover and slack-water timing are the essentials.
32 sites
Tasmania North & North-West · TAS
Remains of an 1883 Aberdeen-built wooden barque among the gullies of Hebe Reef.
Dense, current-fed sponge growth on a beacon-marked rock in the Tamar channel.
Tasman Peninsula · TAS
Sheer columnar walls under a 300 m cape at the edge of the Southern Ocean, with superb clarity.
Rare granite swim-throughs on a remote Hunter Group island.
South-east Tasmania's only easy drift dive, with seasonal spider crab aggregations.
Ribs and plates of a 1907 iron barque, 40 m from the Esk on Hebe Reef.
A channel-edge drop-off at the Tamar mouth with rich fish life and occasional big stingrays.
Tasmania North-East · TAS
A shallow weed garden with the remains of two 19th-century wrecks, near the Loch Finlas and General Picton.
Swim-throughs among the iron plates of an 1888 four-master against a Bass Strait reef.
Spectacular current-fed sponge gardens reachable from the shore at George Town.
A maze of quartz ridges and gutters at 15 m reachable from shore, with schools of barber perch.
Tasmania West Coast · TAS
The infamous entrance to Macquarie Harbour, with two shallow historic wrecks on its spits.
Remote seal-colony islets with bull kelp shallows, sponge reefs from 30 m and huge fish schools.
Rated 9/10: a relatively intact 1885 iron ship with a canted bow and counter stern at 19-24 m.
An easy terrace reef below Australia's oldest pilot station, usable as a gentle tidal drift.
The largest sailing ship wrecked in Tasmania - a 2285-ton steel four-master off Swan Island.
Sponge gardens with seahorses in a tidal estuary east of Devonport.
Rated 9/10: a twin-peaked outcrop stepping to 25 m with current-fed gorgonians and sea pens in often 25 m visibility.
Sea pens in 10-16 m - unusually shallow - on a colourful, tide-fed reef.
Kent Group · TAS
A reasonably intact 1877 iron steamer, 5 m proud of the sand in Bass Strait's clear water.
An 1894 steamer's stern and steering gear breaking the surface behind the Hells Gates breakwater.
Boiler, engine and propeller of an 1886 iron steamer in 5 m, beside a second wreck.
A tragic 1907 wreck on the shoal that bears its name, periodically uncovered by shifting sand.
Rarely seen 1883 steamer at 70 m beneath the Hippolyte Needle – a serious technical expedition target.
Flinders Island & Furneaux Group · TAS
Flinders Island's best shore dive - current-fed walls of sponges and unusual small fish.
Tasmania East Coast · TAS
Stark granite steps with seals and strong clean water in the Schouten Island group.
Remote island wall under the Tasman Island lighthouse with deep-water sponges, seals and clean Southern Ocean water.
Bruny Island & D'Entrecasteaux Channel · TAS
Remote volcanic islets with swim-throughs, seals and clean Southern Ocean water off Bruny's southern tip.
Current-swept spire beyond Cape Hauy with clean water and schooling butterfly perch.
Current-swept sponge pinnacle that sank the SS Tasman; one of Tasmania's most dramatic deep dives.
Prolific, multicoloured sponge growth on jagged bommies - best done as a drift.
A tide-swept Bass Strait island reef with velvetfish and crevice life.
Other ways to find a dive