Chandelier Cave

Five interconnected limestone chambers formed during the last Ice Age, each with an air pocket where divers can surface and examine ancient stalactite formations

Overview

Chandelier Cave is a system of five connected limestone chambers located inside a Rock Island cliff face in Malakal Harbor, less than a mile from most Koror dive shops. The cave entrance is a 10-foot (3-meter) diameter opening approximately 12 feet (4 meters) below the surface. The cave formed during the last Ice Age when sea levels were much lower, allowing the slow formation of stalactites and stalagmites; when sea levels rose, the cave became submerged. Four of the five chambers are water-filled, each containing an air pocket where divers can surface and see the formations from above the waterline. The fifth chamber is entirely above water and connects to the last two water chambers.

The maximum dive depth is approximately 11 meters (36 feet), with the entrance at around 4 meters. The shallow depth, calm conditions, absence of current, and multiple air pockets make this one of the most accessible cave experiences in the world. Fish N Fins notes that the fifth chamber requires removing dive equipment and crawling through tight, muddy passages to access.

Site Information

• Location: Malakal Harbor, Rock Islands, Palau, Micronesia (less than 1 mile/1.6 km from Koror)
• Entry Type: Boat dive
• Site Type: Cave/cavern
• Difficulty Level: Intermediate
• Maximum Depth: 11 meters
• Typical Visibility: 15–30 meters (50–100 feet)
• Current: None
• Best Time: Year-round; sheltered location makes this an excellent bad-weather alternative

Marine Life

Soldierfish and cardinalfish school near the cave entrance in the shadowed areas. Small shrimp and crabs cling to the sponge-covered walls throughout the chambers. Mandarin fish have been reported near select locations at the entrance rubble area. The cave is primarily a geological rather than biological attraction — divers report the formations as the main experience. Outside the cave, the surrounding Malakal Harbor reef has anemonefish, moray eels, lionfish, and reef fish typical of Palau’s inshore waters.

Dive Profile

Divers enter through the 3-meter diameter opening at approximately 4 meters depth. The maximum depth reaches approximately 11 meters. Each of the five chambers connects via short passages at varying depths. Divers can surface in the air pockets of each chamber to rest and observe the stalactite formations above the waterline. Diving with at least one underwater torch is essential — a second is strongly recommended. Total dive time is typically 40–60 minutes with minimal air consumption due to the shallow depth. The dive retraces the same route for exit.

Entry and Exit

A short boat ride from Koror (approximately 10 minutes) brings divers to the Rock Island entrance. Entry is a gentle giant stride or back roll into calm, protected water. The cave entrance is clearly visible as a dark opening in the limestone cliff. Exit is through the same entrance. No current and sheltered conditions make this a relaxed entry and exit.

Tips and Recommendations

• Bring a powerful dive torch and a backup light — the formations are spectacular under direct illumination
• Surface in each air pocket to see the stalactites from above, but do not touch the formations
• Exhale slowly when surfacing in the air pockets inside the cave
• This dive pairs well with a morning deep dive, as the shallow profile makes it an ideal second or third dive
• Keep your group small to minimize silt disturbance and maximise the experience
• Divers uncomfortable in enclosed spaces or with claustrophobia should not attempt this cave

Safety Considerations

Despite the shallow depth and calm conditions, Chandelier Cave is a true overhead-environment dive. Carry at least one torch (two recommended). Precise buoyancy control is critical to avoid damaging the fragile stalactite formations and to prevent silting the water. Do not touch or break any formations. Silt can reduce visibility rapidly in an enclosed environment — use a frog kick or modified flutter kick. Accessing the fifth chamber requires removing dive gear in confined conditions and should only be done with a knowledgeable guide.

Photography

Chandelier Cave is a spectacular photography venue. Wide-angle lenses capture the chamber scale and formations, while a torch-wielding buddy provides dramatic rim lighting. Shoot upward at stalactites with a diver for scale. In the air pockets, you can remove your regulator and use a dry camera to photograph the above-water formations. Strobes can backscatter in enclosed environments — a single strobe aimed carefully or off-camera lighting works best.

Sources: Fish N Fins Palau – Chandelier Cave, Palau Dive Adventures, Solitude World. Last updated 2026-06-25.