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  1. Australia
  2. Cairns
  3. Great Barrier Reef
Aerial view of a small island with dense greenery, surrounded by clear blue water and a pier extending into the ocean. Hills are visible in the background.
4.6 (45 reviews)

Great Barrier Reef

Snorkel alongside fish and visit the underwater observatory

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38 options • from $74.18

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About: Great Barrier Reef

Snorkel and see colorful fish or take a boat tour to view coral formations.

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Visitors standing outside Cairns Aquarium entrance with colorful marine life banner, surrounded by tropical plants and parked cars.
  • Cairns

Cairns Aquarium

See over 15,000 marine species in Australia
4.7 (98)
From
$43.10

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