Reef · Drift · Drop-off · Swim-through
Crystal Bay
Bali
Advanced Open Water Certification RequiredBest Season: Jul – Oct
Difficulty
Advanced
Difficulty level
Depth
16 ft – 131 ft
Depth range
Visibility
49 ft – 98 ft
Typical visibility
Current
Variable
Good buoyancy control advised
Temperature
64°F – 82°F
Water temperature
About This Dive Site
A sandy-bottomed bay sheltered by a small islet, Crystal Bay is Penida’s main reliable site for the seasonal mola mola (ocean sunfish), which rise from the deep cold water in July–October to be cleaned by bannerfish. Dramatic thermoclines and the well-known south-side downcurrent make this an advanced site despite the easy entry.
Certification Required: Advanced Open Water
Current Conditions
Typical current strength at this dive site
Variable
Current strength changes with tides and conditions. Check local conditions before diving.
Strength Scale
None
Mild
Moderate
Strong
Best Time to Visit
Monthly conditions and seasonal highlights — tap a month
JunGood
Shoulder season with generally good conditions. Some variability in weather and visibility.
BestGoodLess FavorablePeak
Marine Life
3 species recorded at this site
Hazards & Safety
Be aware of these potential hazards at this dive site
Strong current
HighDocumented downcurrents on the south side of the bay can pull divers below safe depth
Cold water
MediumSudden thermocline upwellings can drop temperature 5–6 °C, occasionally to 16 °C
Certification Required
A minimum of Advanced Open Water certification is required to dive this site.
360° Underwater View
Immersive panoramic view of this dive site
360° panorama coming soon
Immersive underwater views will be available when panoramic imagery is uploaded
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Depth Profile
Vertical range at this site
Minimum Depth
16 ft
Shallowest point
Average Depth
59 ft
Typical dive depth
Maximum Depth
131 ft
Deepest point
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