Plan your trip around Hauraki Coromandel along State Highways 25 & 2. Please note some local roads and DOC sites are closed. Find out more

Te Whanganui o Hei Snorkel Trail

Snorkelling and swimming opportunities around Te Whanganui o Hei Marine Reserve are plentiful, with an established snorkel trail at Gemstone Bay.


Te Whanganui o Hei has its own snorkel trail in Gemstone Bay; designed to provide an easy and safe experience for people to discover the amazing marine life from under the water. Suitable for snorkelers of all ages, the trail includes information buoys with handles attached for snorkelers to hold on to.

Gemstone Bay is only a 5-10 minute walk from the main Cathedral Cove car park along the main Cathedral Cove walking track.

The snorkel trail has marker buoys to identify the area, with each buoy equip with handles and information panels on the sides.The buoys have been anchored 50 to 165 metres off the shoreline of Gemstone Bay.

Cave Cruzer Adventure Tours  and The Glass Bottom Boat both offer the opportunity to snorkel and swim during your excursion. Cathedral Cove Dive and Snorkel and Dive Zone offer guided snorkel and dive trips every day throughout the summer season. Snorkelling gear can also be hired from Cathedral Cove Dive and Snorkel

When snorkelling in the marine reserve please remember:

Protect our marine reserves
  • No fishing of any kind.
  • Don't take or kill marine life.
  • Don't remove or disturb any marine life or materials.
  • Don't feed fish - it disturbs their natural behaviour.
  • Take care when anchoring to avoid damaging the sea floor.

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