Spider Cave

New South Wales, Australia

Depth

28m

Visibility

5m - 15m

Entry

Boat

Experience Level

Beginner

Spider Cave

New South Wales, Australia

Depth

28m

Visibility

5m - 15m

Entry

Boat

Experience Level

Beginner

About Spider Cave

This is a one-of-a-kind dive with its three stacked caves extending 100m into the cliff face. Ten meters into the first (24m) you can enter the second (17m) and head into it until you see the third entrance (12m) and then it appears to run to nowhere but you can exit through a small hole at 7m - go play!

Spider Cave Dive Info

Terrain & Features

Cave, Wall

Entry Type

Boat

Max Depth

28m

Visibility Range

5m – 15m

Experience Level

Beginner

Best Gas Mix

21% – 37%

O₂

CNS Load (25 min)

14% at 26m / 36%

O₂

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Marine Life

Fish
Sponge

Weather Conditions

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Dive Operators near Spider Cave

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Location

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Dive Site Hazards

Remote Silt Disturbance — Silt can be disturbed metres away from the source.
Rapid Stress Escalation — Stress can increase sharply when visibility or navigation degrades.
High Cognitive Load Navigation — Complex passages increase mental workload even on a line.

Unstable Visual Ascents — Relying on wall visuals can destabilise ascents.

Gradual Depth Creep — Lack of visual bottom reference can cause unnoticed descent.

Unsignalled Downcurrents — Downcurrents can form without visible indicators.

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