Diving Blog
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Stay informed with diving tips, safety guides, and destination reviews
Flat Rock, North Stradbroke Island
By ScubaDownUnder Team
A wave-washed rock off Point Lookout where grey nurse sharks gather each winter, inside a green zone with its own strict diving rules.
Five Fathom Reef Dive Site Guide | Rockingham, WA
By ScubaDownUnder Team
A submerged reef platform inside the Shoalwater Islands Marine Park south of Perth, weedy sea dragons, sea lions from nearby Seal Island, and a temperate-WA reef community in 6–18 m.
Flinders Pier Dive Site Guide | Mornington Peninsula, VIC, Australia
By ScubaDownUnder Team
A beloved Mornington Peninsula jetty dive with extraordinary macro life, resident sea horses, and some of the best muck diving accessible by shore in Victoria.
Ethel Wreck Dive Site Guide | Innes National Park, SA, Australia
By ScubaDownUnder Team
The broken remains of a 1904 barque scattered across a reef shelf inside Innes National Park, one of South Australia's most accessible historic shipwrecks in...
Emu Bay Jetty Dive Site Guide | Kangaroo Island, SA, Australia
By ScubaDownUnder Team
A quiet jetty on Kangaroo Island's northern coast offering sheltered shallow diving with sea dragons and a characteristic South Australian jetty marine commu...
Edithburgh Jetty Dive Site Guide | Yorke Peninsula, SA, Australia
By ScubaDownUnder Team
A classic South Australian jetty dive on Yorke Peninsula, known for seadragons, cuttlefish aggregations, and a community of critters that rewards patient, me...
East Newry Island Dive Site Guide | Newry Islands, QLD, Australia
By ScubaDownUnder Team
A sheltered fringing reef in the Newry Island Group off Mackay, offering coral gardens and diverse reef fish in a rarely crowded section of the Great Barrier...
Understanding Dive Regulators: Your Lifeline Beneath the Waves
By ScubaDownUnder Team
Choosing the right dive regulator is crucial for safety and enjoyment underwater. This guide explores the two main stages: the first stage, which connects to your tank and reduces pressure, and the second stage, through which you breathe.
Double Cone Island Dive Site Guide | Whitsundays, QLD, Australia
By ScubaDownUnder Team
A relatively undived island in the southern Whitsundays offering healthy hard coral gardens and reliable pelagic activity in clear water away from the main drag.
Credlin Reef: A Remote Frontier for Advanced Explorers
By ScubaDownUnder Team
Credlin Reef, off Mackay, QLD, is a remote outer Great Barrier Reef gem for advanced divers. Depths of 10-30m offer 15-25m visibility and 24-28°C waters. Expect strong currents and dramatic coral canyons teeming with sharks, barracuda, and turtles.
Coffin Bay Oyster Lease: A Unique Marine Garden in South Australia’s Shellfish Heartland
By ScubaDownUnder Team
The Coffin Bay Oyster Lease on SA's Eyre Peninsula is a unique intermediate boat dive from 3-9m. Visibility typically 5-8m, with temperatures 14-20°C. This site reveals a vibrant marine garden amidst oyster farm structures, teeming with garfish, squid, and colourful nudibranchs.
Exmouth Navy Jetty: A Macro Wonderland for Beginners
By ScubaDownUnder Team
Exmouth Navy Jetty, WA, is a beginner-friendly shore dive (4-10m) with 10-12m variable visibility and warm 22-26°C waters. This macro wonderland teems with juvenile fish, octopus, and diverse nudibranchs amidst concrete pylons. Best dived at slack high tide, it offers easy access and incredible photographic opportunities within a thriving artificial reef ecosystem, ideal for relaxed exploration
Ningaloo Reef: Western Australia's Coral Masterpiece for Every Diver
By ScubaDownUnder Team
Ningaloo Reef, WA, offers world-class diving for all levels (3-30m) with 22-26°C waters and excellent visibility. Famed for whale sharks, manta rays, and pristine corals, it’s a vibrant hub of reef sharks and turtles. Accessible from shore or by boat from Exmouth, it promises unforgettable encounters within a UNESCO World Heritage-listed marine sanctuary
Confined Water Dives: What to Expect
By ScubaDownUnder Team
Confined water training explained: what happens in your first pool sessions, the skills you practise, how long it takes, and how to prepare.
Rapid Bay Jetty Dive Site Guide | Fleurieu Peninsula, SA, Australia
By ScubaDownUnder Team
Rapid Bay Jetty on SA's Fleurieu Peninsula is Australia's leafy seadragon capital. Shallow pier dive to 10m with iconic marine life, sponge-covered pylons and year-round access.
Julian Rocks Dive Site Guide | Byron Bay, NSW, Australia
By ScubaDownUnder Team
Julian Rocks (Nguthungulli) .Two and a half kilometres off Byron Bay beach, a pair of volcanic rocks break the surface that have been drawing divers ...
Is Scuba Diving Right for Me?
By ScubaDownUnder Team
Is Scuba Diving Right for Me? 10 Questions to Ask Before You Learn Most people who are drawn to scuba diving have one core question underneath........
Cook Island Dive Guide: Turtles off Tweed Heads
By ScubaDownUnder Team
Cook Island, 600 m off Fingal Head near Tweed Heads, is an aquatic reserve where green turtles gather on boulder walls in 5 to 20 m of water.
What Is Scuba Diving? A Complete Beginner's Overview
By ScubaDownUnder Team
What Is Scuba Diving? A Complete Beginner's Overview. You've seen the photos, coral gardens, sea turtles, walls of colour. Here's everything you need to know
Decompression education and safety
By ScubaDownUnder Team
This collection of sources explores the physics, physiology, and history of diving decompression, focusing on how the body manages dissolved inert gases during ascent.