Activities · Destination Guide
Great whites, sea lions, and wild Eyre Peninsula coastlines from a seafood capital base
Updated Jan 23, 2026 • 23 sources
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Port Lincoln delivers bucket-list big-animal diving in cool-temperate water. The headline is great white shark cage diving at the Neptune Islands, a tightly regulated experience run by licensed operators in a protected marine park. Add guided sea lion encounters in nearby waters, plus temperate reefs, seagrass, and kelp that reward photographers who like moody light and wild coastlines.
This is not a resort-reef destination. Expect swell, wind, and cold-water exposure. Most visitors get the best results by planning one flagship Neptune Islands day and building flexibility for weather.
Neptune Islands Great White Shark Cage Dive
Australia's iconic whiteshark encounter in a protected marine park setting.
North Neptune Island Sanctuary Zone
A highprotection zone surrounding the North Neptune Islands.
Hopkins Island Sea Lion Colony
Guided sea lion swims in the wider Port Lincoln region deliver shallow, playful interactions and fastaction photography.
Coffin Bay Temperate Reefs and Seagrass
Sheltered bays and coolwater habitats near Coffin Bay can suit calmerday dives, training refreshers, and macro hunting in seagrass edges.
Thorny Passage Marine Park Sand Dune Fields
Deepwater habitats and unusual underwater sand dune fields (ridges can rise to about {{ 5 | distance:m }}) make this marine park an interesting backdrop beyond the headline wildlife.
Operator Checklist
Conditions Fallback
Avoid