Bio Rock (Gili)
Also known as: Biorocks, BioRock Nest
Best time to dive
January to December; April to October
What you might see
- Grey reef sharkPossible
- Sea turtlePossible
Sightings are seasonal probabilities, not promises - even in peak season nature does its own thing.
Certification & difficulty
Open Water
Snorkelling
Snorkel-friendly - Yes - shallow structures (as shallow as 1-3m) sit directly off the main beach, well suited to snorkelers
Safety notes
Avoid direct contact with bare metal structure connections (low-voltage current, not harmful but best not touched); shallow area can be crowded with snorkelers and boat traffic near shore
Permits & fees
Gili Eco Trust runs the Biorock program directly; suggested minimum donation IDR 100,000 for guided eco-snorkel tours of the Biorocks, funding structure repair/maintenance; separate diver eco-donation ~IDR 50,000 (~US$5) also commonly requested
Permits and operators change - confirm before booking.
Location
Nearest hub: Gili Trawangan
This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.