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Port Lincoln

A seafood port on Boston Bay, base for tuna farming, sea lion swims and Australia's only shark cage diving.

Updated 18 October 2026

Port Lincoln

AI illustration

WhereSouth Australia
Nearest cityPort Lincoln
Best seasonSeptember to May
Time to allowTwo to four days
Getting thereAbout 650 km by road from Adelaide, or a 50-minute flight
EntryFree; tours and cage diving charged

Port Lincoln sits on Boston Bay, a natural harbour said to be several times the size of Sydney Harbour, at the foot of the Eyre Peninsula, and it built its wealth on fishing: southern bluefin tuna ranching in pens offshore, oysters, prawns and abalone, which has given the town a reputation for having more millionaires per head than anywhere else in Australia. Boat operators run swims with Australian sea lions and dolphins, and cage diving with great white sharks at the Neptune Islands, the only place in Australia licensed for it. Coffin Bay oysters come from a hundred kilometres west, and Lincoln National Park's cliffs and beaches lie just south of the town.

History

The Barngarla, the traditional owners, call the place Galinyala, place of sweet water, and Aboriginal people have lived on the Eyre Peninsula for more than 40,000 years. Matthew Flinders sailed the Investigator into the harbour on 25 February 1802 and named it after Lincoln in his home county, Nicolas Baudin called it Port Champagny on 19 April, and sealers and mostly French whaling ships worked the bays from the 1820s to the 1840s (Wikipedia, Port Lincoln).

What to look for

  • The shark cage diving - great white cage trips to the Neptune Islands.
  • The sea lion swims - snorkelling with Australian sea lions at Hopkins Island.
  • The tuna pens - the offshore ranching operation that built the town.
  • Lincoln National Park - cliffs, dunes and beaches south of the city.

When to go

September to May for the calmest seas and warmest water; shark cage trips run year-round but are weather-dependent and cancelled often. Winter is cold and rough. The Tunarama festival falls in January.

Practical notes

Cage diving is expensive, involves a long boat trip and rough water, and sightings are not guaranteed. Sea lion swims are also weather-dependent. Port Lincoln is a working port town, plain in appearance, and a long drive or a flight from Adelaide.

Nearby

Coffin Bay lies west; Lincoln National Park is immediately south.

Key facts

Location34.7322° S, 135.8608° E · map

Source: Wikidata, item Q606268, read on 18 October 2026.

What to pack for Port Lincoln

Chosen from what this place is for. Tap a kit for the full checklist.

  • Travel rod + reel - A packable multi-piece rod fits in a case and covers most holiday fishing. Find on Amazon
  • Reef-safe sunscreen - High SPF that will not bleach the coral you are swimming over. Find on Amazon
  • Your own mask + snorkel - A well-fitting mask is the single biggest comfort upgrade underwater. Find on Amazon
  • Binoculars - The single best wildlife tool - even a compact pair transforms a sighting. Find on Amazon

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Opening times, ticket prices and seasonal closures change - check the official source before you go: official site.

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