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Flinders Reef, Moreton Bay
Dive Sites 14/08/2026

Flinders Reef, Moreton Bay

By ScubaDownUnder Team

Most divers are surprised to learn that Brisbane has a coral reef at all. Five kilometres off the northern tip of Moreton Island, beyond the sand and the...

HMAS Perth Wreck: Albany Dive Guide
Dive Sites 08/08/2026

HMAS Perth Wreck: Albany Dive Guide

By ScubaDownUnder Team

WA's marquee wreck dive: a 134m Royal Australian Navy destroyer scuttled 2001, sitting upright in 25 to 35 metres in King George Sound.

Agincourt Reef, Port Douglas
Dive Sites 02/08/2026

Agincourt Reef, Port Douglas

By ScubaDownUnder Team

For all the Great Barrier Reef's scale, much of its best diving lies a long way offshore. Agincourt Reef is the exception that proves how good the outer...

Houtman Abrolhos Islands Dive Guide
Dive Sites 01/08/2026

Houtman Abrolhos Islands Dive Guide

By ScubaDownUnder Team

Australia's coral atoll: 60km off Geraldton, Australian sea lions, the 1629 Batavia wreck, and reef diving only reached by liveaboard.

Bremer Bay: Orcas and South Coast WA
Dive Sites 31/07/2026

Bremer Bay: Orcas and South Coast WA

By ScubaDownUnder Team

South coast WA: the world's most reliable orca aggregation site at the Bremer Canyon (Jan-Apr), with granite-headland temperate reef diving inshore.

How to Choose a Dive Computer: A Buyer's Guide for Australian Divers
Tips 31/07/2026

How to Choose a Dive Computer: A Buyer's Guide for Australian Divers

By ScubaDownUnder Team

The dive computer is the single most important piece of recreational diving equipment after the regulator and the BCD, and it is the one piece of gear most likely to last across decades of diving if...

Broughton Island, Port Stephens
Dive Sites 29/07/2026

Broughton Island, Port Stephens

By ScubaDownUnder Team

Half an hour by boat from Nelson Bay, Broughton Island sits off the mouth of Port Stephens like a green fist of rock in the Tasman Sea, and beneath it lies...

Shiprock, Port Hacking
Dive Sites 27/07/2026

Shiprock, Port Hacking

By ScubaDownUnder Team

Shiprock does not look like one of Sydney's best dives. It is a scrap of rocky shoreline at the end of a suburban street, tucked into an estuary, and for...

Christmas Island, Indian Ocean
Dive Sites 26/07/2026

Christmas Island, Indian Ocean

By ScubaDownUnder Team

On Christmas Island, the reef does not so much slope as fall. Swim a few dozen metres out from the shore, cross a band of coral garden, and the bottom drops...

Gordons Bay Underwater Trail, Sydney
Dive Sites 25/07/2026

Gordons Bay Underwater Trail, Sydney

By ScubaDownUnder Team

Sydney is full of good shore dives, but only one comes with a map laid out on the seabed. At Gordons Bay, a chain of twenty-five concrete drums runs six...

Pope's Eye, Port Phillip Bay
Dive Sites 23/07/2026

Pope's Eye, Port Phillip Bay

By ScubaDownUnder Team

Pope's Eye is the dive that history forgot to finish. In the 1880s, engineers began building a ring-shaped island fort in the middle of Port Phillip Bay to...

Scuba Diving FAQs: Quick Answers
Learn to Dive 21/07/2026

Scuba Diving FAQs: Quick Answers

By ScubaDownUnder Team

Quick answers to the questions new divers actually ask: depth limits, sharks, flying after diving, costs, medical issues, gear and certifications.

SS Zealandia
Dive Sites 20/07/2026

SS Zealandia

By ScubaDownUnder Team

For thirty-two years before the war, the SS Zealandia worked the Sydney to Wellington passenger route as one of the Huddart Parker line's familiar ships, carrying passengers and cargo across the...

Finding Dive Buddies and Clubs in Australia
Learn to Dive 19/07/2026

Finding Dive Buddies and Clubs in Australia

By ScubaDownUnder Team

Where to find dive buddies and clubs across Australia: university and community clubs, shop social dives, online groups and buddy etiquette basics.

Seal Rocks Grey Nurse Sharks, NSW
Dive Sites 17/07/2026

Seal Rocks Grey Nurse Sharks, NSW

By ScubaDownUnder Team

At Seal Rocks, the sharks are almost a certainty. Drop onto the gutters of Big Seal or circle the caves of Little Seal and, more often than not, the grey...

Heron Island, Great Barrier Reef
Dive Sites 16/07/2026

Heron Island, Great Barrier Reef

By ScubaDownUnder Team

Some islands you have to work to dive. Heron is not one of them. Step off the beach of this coral cay at the southern tip of the Great Barrier Reef and...

Darwin Catalinas
Dive Sites 14/07/2026

Darwin Catalinas

By ScubaDownUnder Team

Four PBY Catalina flying boats were moored at the Darwin flying boat base on the morning of 19 February 1942 when Japanese fighters arrived. All four were destroyed by strafing fire and sank at their...

Blairgowrie Pier, Mornington Peninsula
Dive Sites 12/07/2026

Blairgowrie Pier, Mornington Peninsula

By ScubaDownUnder Team

At first glance Blairgowrie Pier is unremarkable, a working jetty beside a marina on the calm inner shore of Port Phillip Bay. Drop beneath it, though, and...

Tangalooma Wrecks, Moreton Island
Dive Sites 11/07/2026

Tangalooma Wrecks, Moreton Island

By ScubaDownUnder Team

Most of Australia's great wreck dives demand a boat, a certification card and a tolerance for depth. The Tangalooma Wrecks demand a walk along a beach. Just...