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Mudjimba Island (Old Woman Island) Dive Site Guide | Sunshine Coast, QLD, Australia
Dive Sites 01/02/2026

Mudjimba Island (Old Woman Island) Dive Site Guide | Sunshine Coast, QLD, Australia

By ScubaDownUnder Team

A protected rocky island reserve off Maroochydore offering accessible reef diving with resident turtles and diverse subtropical marine life.

Dive Sites 24/01/2026

Thistle Island Wall Dive Site Guide | Spencer Gulf, SA, Australia

By ScubaDownUnder Team

A remote island wall dive in southern Spencer Gulf with the best visibility in the gulf system, strong current potential, and a temperate reef community rare...

Dive Sites 17/01/2026

Weebubbie Cave Dive Site Guide | Nullarbor Plain, WA, Australia

By ScubaDownUnder Team

One of the deepest and most extensively explored freshwater cave systems on the Nullarbor Plain, holding world-class visibility and a subterranean environmen...

Port Giles Jetty Dive Site Guide | Yorke Peninsula, SA, Australia
Dive Sites 09/01/2026

Port Giles Jetty Dive Site Guide | Yorke Peninsula, SA, Australia

By ScubaDownUnder Team

A working grain handling jetty on the mid-eastern Yorke Peninsula with an active port facility above the waterline and a productive sea dragon and cuttlefish...

Moreton Island's China Wall
Dive Sites 03/01/2026

Moreton Island's China Wall

By ScubaDownUnder Team

Moreton Island's China Wall, featuring granite verticality, kelp-covered swim-throughs, Grey Nurse Sharks, and vital navigation tips for advanced, boat-based scuba divers.

Dive Sites 02/01/2026

Whyalla Jetty Dive Site Guide | Whyalla, SA, Australia

By ScubaDownUnder Team

An industrial city jetty in upper Spencer Gulf that produces good macro diving with cuttlefish, sea dragons, and nudibranchs, most rewarding when combined w...

Dive Sites 26/12/2025

Wool Bay Jetty Dive Site Guide | Yorke Peninsula, SA, Australia

By ScubaDownUnder Team

A working grain jetty on the southern Yorke Peninsula with the classic SA jetty fauna of sea dragons, cuttlefish, and nudibranchs in a relaxed, beginner-frie...

Dive Sites 18/12/2025

Second Valley Dive Site Guide | Fleurieu Peninsula, SA, Australia

By ScubaDownUnder Team

A sheltered gulf-side bay on the Fleurieu Peninsula with a short jetty, resident sea dragons, clear water, and an old anchor chain dive that doubles as an ex...

Numbray in the Sand: A Shelly Beach Encounter
Marine Life 17/12/2025

Numbray in the Sand: A Shelly Beach Encounter

By ScubaDownUnder Team

Picture this: You’re gliding over the seagrass meadows at Shelly, the morning light filtering through the green water in long, shimmering curtains. You’ve just passed the usual suspects a school of cheeky Yellowfin Bream and maybe that resident Eastern Blue Groper who thinks he’s a Labrador. You move toward the sandy patches where the reef edge peters out. Most divers cruise right over this "was…

The Crystal Cathedral: Diving Clerke Reef Marine Park, WA
Dive Sites 15/12/2025

The Crystal Cathedral: Diving Clerke Reef Marine Park, WA

By ScubaDownUnder Team

If you were to design the perfect coral atoll in a laboratory, it would look exactly like Clerke Reef.

Shark Cave Dive Site Guide | Rottnest Island, WA, Australia
Dive Sites 11/12/2025

Shark Cave Dive Site Guide | Rottnest Island, WA, Australia

By ScubaDownUnder Team

A deep limestone cavern on the outer reef of Rottnest Island where wobbegong and grey nurse sharks rest in numbers, in one of the most atmospheric dives acce...

The Wall at Long Reef: Sydney’s Cathedral of Sharks
Dive Sites 11/12/2025

The Wall at Long Reef: Sydney’s Cathedral of Sharks

By ScubaDownUnder Team

If you’re looking for a dive that screams "classic Sydney" but delivers a punch of adrenaline that feels a world away from the CBD, you need to load up the ute (or the dive boat) and head to the Northern Beaches. specifically, we are talking about Long Reef Wall in Collaroy.

Boyinaboat Reef Diving Guide Perth
Dive Sites 04/12/2025

Boyinaboat Reef Diving Guide Perth

By ScubaDownUnder Team

A vibrant reef sanctuary minutes from shore

Dive Sites 03/12/2025

Turquoise Bay Dive Site Guide | Exmouth, WA, Australia

By ScubaDownUnder Team

Consistently ranked among Australia's most beautiful beaches, Turquoise Bay on the Ningaloo coast delivers a drift snorkel and dive along a pristine fringing...

Beautiful Encounter with a Green Turtle
Marine Life 30/11/2025

Beautiful Encounter with a Green Turtle

By ScubaDownUnder Team

# The Cheeky Green Turtle of Shelly Beach: A Magical Morning in Manly If you live in Sydney, you know that Sunday mornings are sacred. But for ocean ...

Cherubs Cave Moreton Island Dive Guide
Dive Sites 28/11/2025

Cherubs Cave Moreton Island Dive Guide

By ScubaDownUnder Team

A quiet underwater cathedral filled with life

Sea Hares
Marine Life 27/11/2025

Sea Hares

By ScubaDownUnder Team

They are not the most glamorous inhabitants of the reef lacking the neon flamboyance of their nudibranch cousins

Dive Sites 26/11/2025

Wigton Reef Dive Site Guide | Outer GBR, QLD, Australia

By ScubaDownUnder Team

A remote outer GBR platform reef known for pristine coral structures on its sheltered face and consistent shark activity on the windward current-exposed slopes.

Starfish Uncovered
Marine Life 22/11/2025

Starfish Uncovered

By ScubaDownUnder Team

Hydraulic locomotion, external digestion, remarkable regeneration, and a decentralised nervous system define the essential reef predator.

Dive Sites 18/11/2025

Wedge Island Jetty Dive Site Guide | Wedge Island, SA, Australia

By ScubaDownUnder Team

A remote Spencer Gulf island jetty with excellent visibility, sea dragons, and a marine community that benefits from the island's distance from the mainland ...