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Lost Valley

Lost Valley

Grand Cayman Island East End, Cayman Islands

Depth
Depth Icon

19m

Visibility
Visibility Icon

13m - 38m

Entry
Boat Entry Icon

Boat

Experience Level

Beginner

About Lost Valley
An area of beautiful large caves and other interesting features within the reef

Lost Valley Dive Info

Terrain & Features

Reef, Cave

Entry Type

Boat

Max Depth

19m

Visibility Range

13m – 38m

Experience Level

Beginner

Best Gas Mix

21% – 48%

O2
CNS Load (45 min)

14% at 17m / 36%

O2
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Marine Life
  • Grouper
  • Snapper
  • Tarpon
Weather Conditions
Water Temperature ℃
Dive Operators near Lost Valley
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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.

  • 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.

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