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27B

27B

Tasmania, Australia

Depth
Depth Icon

25m

Visibility
Visibility Icon

8m - 23m

Entry
Boat Entry Icon

Boat

Experience Level

Advanced

About 27B
Set in Governor Island Marine Reserve, this spot is a prime example of what the ocean would look like if we left it alone. Humungous cray, abundant coral and fishlife feature around these three large boulders depth to about 20m.

27B Dive Info

Terrain & Features

Cave, Rock

Entry Type

Boat

Max Depth

25m

Visibility Range

8m – 23m

Experience Level

Advanced

Best Gas Mix

21% – 40%

O2
CNS Load (35 min)

16% at 23m / 36%

O2
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Marine Life
  • Anemones
  • Banded Morwong
  • Boar Fish
  • Butterfly Perch
  • Crayfish
  • Lobster
  • Nudibranchs
  • Sea Spiders
  • Sea Whips
  • Seawhip
  • Sponge
  • Sponges
  • Wrasse
Weather Conditions

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Dive Operators near 27B

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Location

Location details missing.

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.

  • 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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