Koh Yai Caverns

Krabi, Thailand

Depth

34m

Visibility

15m - 45m

Entry

Boat

Experience Level

Beginner

Koh Yai Caverns

Krabi, Thailand

Depth

34m

Visibility

15m - 45m

Entry

Boat

Experience Level

Beginner

About Koh Yai Caverns

Situated about 30 minutes from the Krabi Mainland you will find these stunning caverns. Koh Yai refers to a series of small remote islands and is considered to be one of the top diving spots in Koh Phi Phi. Excellent depth variations makes this dive suitable for all level divers. Ranging from 3 - 34 meters, all levels of divers are welcome. Excellent scenery, abundant marine life, clear visibility and colorful corals are just a few things making this a must dive !

Koh Yai Caverns Dive Info

Terrain & Features

Reef, Rock, Other

Entry Type

Boat

Max Depth

34m

Visibility Range

15m – 45m

Experience Level

Beginner

Best Gas Mix

21% – 32%

O₂

CNS Load (20 min)

13% at 32m / 33%

O₂

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Marine Life

Eels
Groupers
Pelagic Fish
Reef Fish
Snappers
Turtles
Various

Weather Conditions

Weather information for Koh Yai Caverns coming soon.

Dive Operators near Koh Yai Caverns

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Location

Location details missing.

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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