Ayer's Rock

Milne Bay Province, Papua New Guinea

Depth

30m

Visibility

8m - 24m

Entry

Boat

Experience Level

Beginner

About Ayer's Rock

This dive site consists of sandy slope with sea grass along with a lovely reef and drop off which descends down to depths of 40 meters, though the reef itself ascends from a shallow depth of 15 meters so essentially descending below 28 meters isn't necessary. The reef has numerous coral formations and sponge life plastering its walls. It also makes for a thrilling night dive.

Ayer's Rock Dive Info

Terrain & Features

Drop Off, Reef

Entry Type

Boat

Max Depth

30m

Visibility Range

8m – 24m

Experience Level

Beginner

Best Gas Mix

21% – 35%

O₂

CNS Load (25 min)

16% at 28m / 36%

O₂

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Marine Life

Anemonefish
Cowfish
Scorpionfish

Weather Conditions

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Dive Operators near Ayer's Rock

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Location

Location details missing.

Dive Site Hazards

Edge-Accelerated Currents — Currents often strengthen along drop-off edges.
Depth Perception Distortion — Visual contrast can distort perceived depth.
Terrain-Induced Descent — Divers may unintentionally follow terrain downward.

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.

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