Sources · 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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Research Sources
Destination Guide Sources For Mercury Islands (Coromandel Peninsula)
Reference links used to build and maintain this guide.
9 sources • Updated Nov 21, 2025
Written by DiveJourney. Built from public sources and local operator knowledge. Last updated Nov 21, 2025.
- Dive Zone Whitianga - The Mercury Islands - Local dive operator overview of the Mercury Island group and access from Whitianga.
- DOC - Coromandel offshore islands and nature reserves - Official information on protection, pest free status and public access restrictions for the Mercury and nearby islands.
- Ahuahu - Great Mercury Island official site - Background on Ahuahus conservation work, biosecurity requirements, pest free status and visitor guidance.
- MPI - Boating and fishing rules at Great Mercury Island (Caulerpa CAN) - Details of Controlled Area Notice restrictions on taking marine life and gear cleaning to contain exotic Caulerpa.
- Climate data - Whitianga sea and air temperatures - Representative air and sea temperature averages for Mercury Bay and surrounding coast.
- Te Whanganui a Hei / Cathedral Cove Marine Reserve - Official tourism and DOC linked description of Cathedral Cove, Gemstone Bay snorkel trail and access considerations.
- Visa, NZeTA and International Visitor Levy requirements - New Zealands visitor visa and NZeTA overview including IVL; cross checked with Immigration NZ for current processes.
- Diver Emergency Service and New Zealand underwater safety - Local dive emergency hotline information and links to hyperbaric services in New Zealand.
- Destination hero photo by Ferntech DJI - Photographer profile: https://unsplash.com/@djiferntech