Bay of Islands

Victoria, Australia

Depth

15m

Visibility

3m - 8m

Entry

Boat

Experience Level

Beginner

About Bay of Islands

A fantastic dive site, where over the centuries the sea has carved the rock into fantastic and interesting formations, certainly worthy of exploring. Situated south of Sorrento this area is famous for Crayfish and a host of other fish life. Lots of swim throughs, overhangs and rocky ledges. Diving is only possible here when northerly winds have been blowing for a few days otherwise the swell makes this site inaccessible for divers.

Bay of Islands Dive Info

Terrain & Features

Reef, Rock

Entry Type

Boat

Max Depth

15m

Visibility Range

3m – 8m

Experience Level

Beginner

Best Gas Mix

21%

O₂

CNS Load (45 min)

11% at 13m / 36%

O₂

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Marine Life

Crayfish

Weather Conditions

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Dive Operators near Bay of Islands

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Location

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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.

Bubble Trapping Under Overhangs — Rock overhangs can trap exhaled bubbles, reducing visibility and causing disorientation.

Reflected Surge Patterns — Surge reflecting off rock faces can create irregular and unpredictable water movement.

Current Funnel Effect — Narrow gaps between rocks can accelerate water flow unexpectedly.

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