Black Rock Arches

Hawaii, United States

Depth

14m

Visibility

15m - 45m

Entry

Boat

Experience Level

Beginner

Black Rock Arches

Hawaii, United States

Depth

14m

Visibility

15m - 45m

Entry

Boat

Experience Level

Beginner

About Black Rock Arches

This dive site features the wreck of a barge that was sunk for use as an artificial reef in roughly 90 feet of water, 250 yards off the Kahala Hilton. The wreck, a 200 foot Matson Barge, lies upright and intact with a pilothouse one can penetrate, this makes for amazing photos. Visibility is great due to the currents cleaning the water, but one should take care not to get swept up in them. Overall, one should have some underwater experience before attempting this dive.

Black Rock Arches Dive Info

Terrain & Features

Rock, Other

Entry Type

Boat

Max Depth

14m

Visibility Range

15m – 45m

Experience Level

Beginner

Best Gas Mix

21%

O₂

CNS Load (45 min)

10% at 12m / 36%

O₂

Multi-Level Dive Planner

Photo gallery

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Marine Life

Amberjacks
Eagle Rays
Manta Rays
Turtles
White Tip Reef Sharks

Weather Conditions

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Dive Operators near Black Rock Arches

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Location

Location details missing.

Dive Site Hazards

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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