Gretas Reef

Queensland, Australia

Depth

22m

Visibility

9m - 27m

Entry

Boat

Experience Level

Experienced

Gretas Reef

Queensland, Australia

Depth

22m

Visibility

9m - 27m

Entry

Boat

Experience Level

Experienced

About Gretas Reef

This site is said to be one of the favourites in The Gold Coast. It has a large amount of Reef here and there are a number of various marine life that find it home. This beautiful site is a magnificent sight and is heaven for photographers. It is advised for intermediate- advanced divers due to depth, currents and sharks.

Gretas Reef Dive Info

Terrain & Features

Reef, Other, Shark

Entry Type

Boat

Max Depth

22m

Visibility Range

9m – 27m

Experience Level

Experienced

Best Gas Mix

21% – 44%

O₂

CNS Load (35 min)

14% at 20m / 36%

O₂

Multi-Level Dive Planner

Photo gallery

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Marine Life

Blue Devils
Boarfish
Leopard Sharks
Tropical Fish
Wrasse

Weather Conditions

Water Temperature ℃

Dive Operators near Gretas Reef

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Location

Dive Site Hazards

Hidden Depth Variations — Complex reef topography can conceal depth changes, leading to unintended profile variations.
Distraction from Marine Activity — High fish activity can distract divers and delay depth or gas awareness.
Rapid Surge Direction Changes — Surge near reef structures can reverse direction quickly, pushing divers sideways into unexpected areas.

Situational Awareness Loss — Divers may fixate on sharks and lose depth or position awareness.

Subtle Behavioural Shifts — Changes in shark behaviour may be missed without active observation.

Blue-Water Reference Loss — Lack of visual references increases ascent and descent instability.

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