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  3. Undine Reef
Scuba divers on a boat preparing to enter the clear blue ocean, with one diver already in the water and others checking their gear.

Undine Reef

Visit an isolated reef and swim in clear waters

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1 option • from $227.46

About: Undine Reef

Undine Reef is a remote coral reef in the southern Great Barrier Reef near Gladstone, Queensland, Australia.

It is valued for its healthy coral formations, abundant marine life, and relatively untouched natural setting.

Its isolation makes it especially appealing for experienced divers, researchers, and nature-focused visitors seeking a quieter reef experience.

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