Chandelier Cave - Rock Islands
Chandelier Cave. It’s exactly what it sounds like, and we love it for its sheer novelty. You drop into a dark maw, just a few minutes’ boat ride from Koror, and then it’s a short swim into the first chamber. What hits you first isn't the scale, but the silence. No surge, no engine noise, just the sound of your own regulator. The cavern itself is a series of five chambers, each with an air pocket, and the stalactites hanging from the ceiling really do look like enormous, natural chandeliers. We’re talking ancient geology here, slowly growing downwards over millennia. We've explored these with just the beam of a dive light, illuminating the formations, and it’s a truly eerie, beautiful experience. Watch for the tiny life hugging the walls – the Red Foram glows bright against the rock, and we've spotted the occasional Dashed-line Blenny darting into crevices. We’d suggest this dive for anyone comfortable in enclosed spaces, or those looking for something completely different from Palau’s ripping currents and pelagic action. It’s a gentle, reflective dive, a nice counterpoint to the more adrenaline-fueled sites. Don’t expect big fish, but do expect a geological marvel and a unique perspective on the Rock Islands. Take your time, really soak in the atmosphere.
- Location
- Rock Islands, Palau, Central & South Pacific
- Coordinates
- 7.340701, 134.450650
- Type
- cave
Marine Protected Area: Ngerkebesang Conservation Zone
Best Time to Dive in Rock Islands
The warmest water temperatures in Rock Islands occur in October, averaging 30.0°C. The coolest conditions are in February at 28.4°C.
Monthly Water Temperatures
- January: 28.8°C
- February: 28.4°C
- March: 28.8°C
- April: 29.3°C
- May: 29.8°C
- June: 29.9°C
- July: 29.8°C
- August: 29.7°C
- September: 29.9°C
- October: 30.0°C
- November: 29.9°C
- December: 29.6°C
Nearby Dive Sites in Rock Islands
- Big Drop Off - 20-40m (wall)
- Blue Corner
- Blue Corner (and Blue Holes)
- Blue Holes
- Chandelier Caves - 34m to 98m
- Chuyo Maru (wreck)
- German Channel - 21m (drift)
- Helmet Wreck - 34m to 98m (wreck)
- Iro - 16-131ft (5-40m) (wreck)
- Iro Maru Wreck Palau - 27m (wreck)
- Jake SeaPlane (wreck)
- Jellyfish Lake - Ongeim’l Tketau - 12m
- Lighthouse Channel (drift)
- Mandarinfish Lake - 16-131ft (5-40m)
- MT ARAYAT - 0m (wreck)
Nearest Dive Centres to Chandelier Cave
Marine Life in Rock Islands
Home to 198 recorded species including 171 reef fish, 15 sea cucumbers, 4 clams & mussels, 4 sea snails & nudibranchs, 2 starfish, 1 sea urchins.
Notable Species
- Boring Clam (Tridacna crocea) - Clams & Mussels
- Small giant clam (Tridacna maxima) - Clams & Mussels
- Black sea cucumber (Holothuria atra) - Sea Cucumbers
- Orange-lined Triggerfish (Balistapus undulatus) - Reef Fish
- Pinkfish (Holothuria edulis) - Sea Cucumbers
- Saddleback Butterflyfish (Chaetodon ephippium) - Reef Fish
- Greenfish (Stichopus chloronotus) - Sea Cucumbers
- Bristle-toothed Surgeonfish (Ctenochaetus striatus) - Reef Fish
- Burrowing urchin (Echinometra mathaei) - Sea Urchins
- Bullethead Parrotfish (Chlorurus sordidus) - Reef Fish
- Tigerfish (Bohadschia argus) - Sea Cucumbers
- Threadfin (Chaetodon auriga) - Reef Fish
- Telescopefish (Epibulus insidiator) - Reef Fish
- Banded Goatfish (Parupeneus multifasciatus) - Reef Fish
- Kihikihi (Zanclus cornutus) - Reef Fish
- Banded maori wrasse (Cheilinus fasciatus) - Reef Fish
- Sunburst Butterflyfish (Chaetodon kleinii) - Reef Fish
- Curryfish (Stichopus vastus) - Sea Cucumbers
- Butterfly fish (Chaetodon vagabundus) - Reef Fish
- Honeycomb Grouper (Epinephelus merra) - Reef Fish
Recommended Packing List for Chandelier Cave
Based on average water temperature of 29.5°C, currents 13 cm/s.
- Shorty or Rashguard - warm 30°C water needs minimal exposure protection
- Mask - essential for every dive
- Fins
- BCD - buoyancy compensator
- Regulator - your most safety-critical piece of gear
- Dive Computer - tracks depth, time, and NDL
- Surface Marker Buoy (SMB) - essential for boat pickups
- Dive Torch - useful for crevices and colour at depth
- Underwater Camera - capture your diving memories