Diving & Travel Guide to South Australia – Eyre Peninsula

About South Australia – Eyre Peninsula

The Eyre Peninsula, a triangular landmass extending into the Great Australian Bight, is South Australia's premier marine adventure destination, offering world-class cage diving with great white sharks, sea lion encounters, and extraordinary coastal diving in the wild Southern Ocean waters. Port Lincoln, the region's main city, is known as Australia's seafood capital and the base for the world-famous great white shark cage diving at the Neptune Islands, where divers observe these apex predators from the safety of purpose-built steel cages in one of the world's most thrilling marine wildlife encounters. The Neptune Islands, located approximately 60 kilometers offshore in the Great Australian Bight, host one of the world's largest great white shark populations, with reliable encounters from May to October. Beyond the sharks, the Eyre Peninsula offers exceptional diving at Coffin Bay with its pristine oyster farms and sea lion colonies, Port Lincoln's rocky reef systems and wreck diving, and the remote islands of the Investigator Group with their dramatic underwater cliffs and gutters. The Lincoln Marine Park protects outstanding marine biodiversity including leafy sea dragons, wobbegong sharks, and diverse reef fish. The region's vast coastline, stretching over 2,000 kilometers, includes some of Australia's most pristine and under-explored diving, with rocky headlands, kelp forests, and offshore islands providing endless opportunities for marine exploration. The coastline is characterized by its rugged limestone cliffs and white sandy beaches, which give way to a submerged world of massive granite boulders and dense kelp forests. These forests are part of the Great Southern Reef and provide a sanctuary for thousands of endemic species, including the incredibly photogenic leafy sea dragon. For those who brave the cooler waters, the rewards are immense, with high-energy sites and a sense of raw, untamed nature that is truly unique to the Southern Ocean.

Highlights

• ✓Great white shark cage diving at the Neptune Islands – world's premier shark encounter
• ✓Australian sea lion colonies at Coffin Bay and the Neptune Islands
• ✓Port Lincoln – Australia's seafood capital with outstanding dining
• ✓Lincoln Marine Park with leafy sea dragons and diverse marine life
• ✓Investigator Group islands with dramatic underwater cliffs and gutters
• ✓Over 2,000km of pristine and under-explored coastline

Getting There

The Eyre Peninsula is accessed via Port Lincoln Airport (PLO), receiving direct flights from Adelaide with flight time approximately 45 minutes. Port Lincoln is approximately 7 hours drive from Adelaide via the Augusta Highway and Lincoln Highway, or alternatively via the Spencer Gulf ferry from Wallaroo to Lucky Bay (reducing the drive to approximately 4 hours). Port Lincoln serves as the base for great white shark cage diving expeditions, which depart on multi-day liveaboard-style vessels to the Neptune Islands. Coffin Bay is approximately 40 minutes south of Port Lincoln. Dive operators are based in Port Lincoln and Coffin Bay, running trips to the local reef systems and offshore islands. The Eyre Peninsula's vast coastline requires a car for exploration, and the drives between towns offer stunning coastal scenery.