Hole in the Rock
Also known as: Motukokako, Piercy Island
Best time to dive
October to May
What you might see
- Moray eelLikely
- NudibranchLikely
Sightings are seasonal probabilities, not promises - even in peak season nature does its own thing.
Certification & difficulty
Technical - advanced conditions (currents/depth); dive within your training.
Snorkelling
Snorkel-friendly - Yes - Hole in the Rock itself is a well-known snorkel/swim-through and scenic cruise stop when calm; scuba sites nearby are deeper/current-exposed
Safety notes
Extreme, unpredictable currents around the arch; heavy tourist boat traffic overhead; black urchins covering cave floors; surge restricting rear-beach access at Keyhole Cave
Permits & fees
Permits and operators change - confirm before booking.
Location
Nearest hub: Cape Brett/Russell
This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.