Castle Rock
Best time to dive
January to December; April to November
What you might see
- BarracudaPossible
- Dogtooth tunaLikely
- DolphinPossible
- Eagle rayPossible
- Grey reef sharkLikely
- Manta rayPossible
- Moray eelLikely
- NudibranchLikely
- Pygmy seahorsePossible
- SeahorseLikely
Sightings are seasonal probabilities, not promises - even in peak season nature does its own thing.
Certification & difficulty
Advanced Open Water - advanced conditions (currents/depth); dive within your training.
Snorkelling
Not a snorkel site - No (strong currents/depth); occasional guided snorkel over shallow top only at slack tide
Safety notes
Extremely strong and changeable currents, down-currents, risk of diver separation/blue-water exit, demanding air consumption; reef hook required
Permits & fees
Komodo National Park entry ~IDR 250,000/person/day + conservation fee ~IDR 100,000 + harbour fee ~IDR 25,000 + diving surcharge ~IDR 25,000/dive/day (2026 rates); booking via SiORA system required in advance
Permits and operators change - confirm before booking.
Location
Nearest hub: Labuan Bajo
This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.

