Cook Islands · Rarotonga west coast
Sunset Lava Tubes
Also known as: Sunset Reef and Lava Tubes
Best time to dive
January to December; April to November
What you might see
- Grey reef sharkPossible
- NudibranchLikely
Sightings are seasonal probabilities, not promises - even in peak season nature does its own thing.
Certification & difficulty
Open Water
Snorkelling
Not a snorkel site - No - boat dive site with a cavern/tunnel section unsuitable for snorkeling
Safety notes
Mild overhead environment in the lava-tube/cavern sections - buoyancy control needed to avoid silt-out; lionfish/scorpionfish present (do not touch)
Permits & fees
No government dive permit required; operators require proof of certification (C-card) and logbook
Permits and operators change - confirm before booking.
Location
Nearest hub: Rarotonga
This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.