Crystal Rock

Komodo National Park, Indonesia

Advanced
Strong current
Best Apr to Nov

Crystal Rock is an advanced dive site in Komodo National Park, Indonesia. Dives run from 5 to 30 m, in strong current. The best months are April to November. Marine life here includes black-tip reef shark, nudibranch and moray eel. 35 dive shops on Scubalo run trips here.

Updated 17 October 2026

Conditions at Crystal Rock

Max depth: 30 m
Depth range: 5–30 m
Current: Strong
Level: Advanced

Depth profile

About Crystal Rock

Crystal Rock is a pinnacle and seamount in the north of Komodo National Park, about 300 metres from Castle Rock. It is known for clear water and a little less current than its neighbour, though the current is still strong.

Divers usually descend quickly with the current to about 20 to 25 metres and hold onto rock to watch the action. Soft corals, sponges and giant sea fans cover the pinnacle.

Expect white tip, black tip and grey reef sharks, barracuda, giant trevally, tuna, eagle rays and Napoleon wrasse, with pygmy seahorses and nudibranchs on the fans. Dolphins pass at times.

The current changes the dive from one day to the next, so follow your guide closely; reef hooks help save energy. Visibility is usually excellent, especially in the dry season.

When to dive Crystal Rock

Season

Right now
Best months: April to November, the dry season, with calmer seas and the best visibility.
Rest of the year: Diving is possible but more challenging in the rainy season.

Marine life at Crystal Rock

What divers report seeing here. Tap one to see where else it turns up.

Type of diving

Location

Questions about Crystal Rock

What is Crystal Rock known for?

Crystal Rock is a seamount in north Komodo known for clear water and a current swept pinnacle that draws reef sharks, barracuda, giant trevally, tuna, eagle rays and Napoleon wrasse.

How does Crystal Rock compare with Castle Rock?

They are about 300 metres apart. Crystal Rock is usually a little less challenging than Castle Rock, but it still has strong currents that need experience.

Is Crystal Rock suitable for beginners?

No. Crystal Rock is rated advanced because of its strong currents. Divers descend fast with the current and often use reef hooks, so drift experience is needed.

How deep is Crystal Rock?

The dive runs from about 5 to 30 metres, and most of the time is spent at around 20 to 25 metres.

When is the best time to dive Crystal Rock?

April to November, the dry season, brings calmer seas and the best visibility. It can be dived the rest of the year, but conditions are harder in the rainy season.