Blue Corner (Palau)
Hook in above the wall and watch resident grey and whitetip reef sharks, tuna and barracuda work the current.
- Experienced
- Wall
- Whale sharks
Experienced≤40 m
Blue Holes
Dive site in Palau
Drop through four reef-top holes into a large light-filled cavern, then swim 7–10 minutes on to Blue Corner.
- Max depth
- 42 m
- Level
- Experienced
- Best months
- Dec–Apr
- Current
- Strong
Photo: w:en:Aquaimages (talk | contribs), CC BY-SA 2.5, via Wikimedia Commons
The story
Four holes in the shallow reef top, about 305 m (1000 ft) north of Blue Corner, form the ceiling of a very large cavern. A vertical wall runs from north to south and merges with the Ngemelis wall at Blue Corner.
Source: fishnfins.com
The dive
A cavern and blue hole dive. Known for nudibranchs.
Who it's for
Experienced≤40 mSource: fishnfins.com
Recommended minimum: Experienced (Deep Specialty, N3).
- OverheadPart of the dive is under a ceiling, without a direct way up.
- DepthThe usual dive goes deeper than lower certifications allow.
- Requires Cave certification.
- Strong current: dive with a local guide and carry a surface marker buoy.
- The site goes deeper than 40 m: Experienced divers stay above 40 m.
Conditions
- Dive type
- Cavern, Blue hole
- Environment
- Cavern (daylight visible)
- Water
- Sea water
What you might see
- Nudibranchs
Why divers come
- Light shafts
Season in Palau
- J
- F
- M
- A
- M
- J
- J
- A
- S
- O
- N
- D
- Best
- Good
- Possible
- Closed
- Not documented yet
Best months: Dec–Apr.
Source: zubludiving.comWhere is Blue Holes?
More dives in Palau
Ulong Channel
Ride the channel current past lettuce coral grown 15–20 feet from the bottom, with grey reef sharks and batfish at the mouth.
- Advanced
- Drift
- Grey reef sharks
Big Drop Off
A vertical wall dropping to 900 feet, where hawksbill turtles feed and rest on the reef top.
- Open Water
- Wall
- Grey reef sharks
Iro Wreck
An upright WWII Japanese fleet oiler, torpedoed then sunk by aircraft in 1944, with its deck at 28 m and forward tower rising to 8 m.
- Advanced
- Wreck
Siaes Tunnel
A 90 m tunnel open at both ends at 35–40 m, with grey reef sharks at the entrance and whitetips resting on the floor.
- Experienced
- Cavern
- Grey reef sharks
German Channel
A channel blasted through the reef where manta rays visit cleaning stations, with peak sightings from December to March.
- Advanced
- Drift
- Manta rays
About this page
Values marked “Estimated” come from our original catalogue and are being checked against published sources one by one. Sourced values link to where they come from. Conditions change with the season, the weather and the tide: confirm with a local dive centre before you dive.
Photo credits
- Blue Corner (Palau) dive site, Palau, Matt Kieffer from London, United Kingdom, CC BY-SA 2.0, via Wikimedia Commons
- Sea star on the bottom of Ulong Channel, Palau, LuxTonnerre, CC BY 2.0, via Wikimedia Commons
- Anemonefish on the Big Drop Off reef, Palau, Matt Kieffer from London, United Kingdom, CC BY-SA 2.0, via Wikimedia Commons
- Anemonefish on the wreck of the tanker Iro, Palau, w:en:Aquaimages (talk | contribs), CC BY-SA 2.5, via Wikimedia Commons
- Divers inside Siaes Tunnel, Palau, LuxTonnerre, CC BY 2.0, via Wikimedia Commons
- Manta ray gliding through German Channel, Palau, amanderson2, CC BY 2.0, via Wikimedia Commons
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