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Plan + Spots · Destination Guide

Mercury Islands Coromandel New Zealand

Wild kelp forests and predator free islands off the Coromandel coast

Updated Nov 21, 2025 • 9 sources

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Signature sites

Featured dive spots for Mercury Islands Coromandel New Zealand

Use the map and cards to compare where to dive first.

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Ohinau Island dive spot

Ohinau Island

Reef

Offshore Mercury Islands boat dive with fish life and currenty headlands.

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Visibility15 m
AccessChallenging entry effort
Marine LifeGreat variety
FacilitiesNo facilities
CurrentStrong current
Stanley Island dive spot

Stanley Island

CaveReefWall

Mercury Islands reef and pinnacle diving around Stanley Island.

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AccessChallenging entry effort
Marine LifeGreat variety
FacilitiesLimited facilities
CrowdModerate
Black Rocks Lagoon dive spot

Black Rocks Lagoon

Kelp ForestLagoon

Sheltered lagoon with a deeper exposed outer reef beyond.

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BLACK JACK REEF dive spot

BLACK JACK REEF

Reef

Accessible Coromandel reef with macro life and current-sensitive sections.

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BRONZIE BAY - GMI dive spot

BRONZIE BAY - GMI

Reef

Weed-line dive with boat traffic and weather-driven visibility.

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CORALIE BAY - GMI dive spot

CORALIE BAY - GMI

Kelp ForestReef

Easy bay dive with kelp reef, sand patches, and rays.

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Mercury Islands Coromandel New Zealand Plan + Spots | DiveJourney