Gili Biaha (Shark Cave) dive site

Candidasa

Gili Biaha (Shark Cave) Diving

Moderate to very strong, with surge and possible downcurrent around the canyon and cave area. The guide selects the route and profile for the group, tide and surface conditions.

Depth range
10–40 m
Access
Boat
Environment
Wall, Rocky slope, Cavern exterior, Drift, and Pelagic
Experience level
Advanced

About Gili Biaha (Shark Cave)

Gili Biaha (Shark Cave) is a wall, rocky slope, cavern exterior dive in Candidasa, with a working depth range of approximately 10–40 m. The site is known for whitetip reef sharks, trevally, barracuda, moray eels, and lobsters. Conditions remain variable, so the route, maximum depth and suitability are confirmed by the local guide on the day.

Availability notice

Conditions-dependent dive. Final operation and diver suitability are determined after the day-of-dive current, weather and experience assessment.

Site highlights

  • Wall, Rocky slope, Cavern exterior, Drift, and Pelagic profile
  • Usable depth range from approximately 10 to 40 m
  • Potential encounters include whitetip reef sharks, trevally, barracuda, and moray eels
  • Moderate to very strong, with surge and possible downcurrent around the canyon and cave area

Before you dive

Recommended certification

Advanced Open Water or equivalent with strong-current experience; cave approach only under a qualified guide's direction

Local guide recommended

Explore with a local guide familiar with the site and its entry and exit points.

Diving conditions & best time to visit

Water temperature
19–28 °C
Visibility
15–30 m

Moderate to very strong, with surge and possible downcurrent around the canyon and cave area

Best months to dive

Year-round when daily weather, tide and sea conditions permit.

Diveable when sea state and tide permit. Cooler thermoclines and seasonal mola mola possibility are most associated with July–October, but sightings are never guaranteed.

Conditions may change

Typical conditions can vary on the day of your dive. Confirm current conditions with the dive team before entering the water.

Marine life & activities

  • Whitetip reef sharks
  • Trevally
  • Barracuda
  • Moray eels
  • Lobsters
  • Turtles
  • Frogfish
  • Seasonal mola mola

Access & safety

Entry & Exit

Boat dive from Padang Bai or Candidasa; tide-specific live drop

Boat departure point
Candidasa local boat departure point
Boat travel time
10–25 min

Safety notes

Strong current, heavy surge, overhead hazards near the cave and possible downcurrent make this unsuitable for inexperienced divers. Do not enter an overhead environment beyond training and the guide’s plan.

Dive tips

  • Follow the local guide’s site- and tide-specific briefing.
  • Agree a maximum depth within certification limits; the published site range is 10–40 m.
  • Maintain neutral buoyancy and avoid contact with coral, artificial structures and the seabed.
  • Strong current, heavy surge, overhead hazards near the cave and possible downcurrent make this unsuitable for inexperienced divers. Do not enter an overhead environment beyond training and the guide’s plan.
  • Treat wildlife encounters as possible, never guaranteed, and give animals space.

Underwater photography

Wide-angle equipment suits the reef structure and larger marine life. Set exposure before entering current, keep the rig streamlined and secured, and prioritise depth, gas, buoyancy and buddy contact over the photograph.

Site map & location

Gili Biaha (Shark Cave) dive site planning map

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