Blue light cave
Protected Area
Pulau Sangalaki
Why dive here
With 118+ marine species recorded in the area - including manta rays, mobula rays (devil rays), orcas, sea turtles and sperm whales - Blue light cave offers some of Derawan Islands's richest cave diving.
The Blue Light Cave in Derawan isn't a long penetration dive, but it's a unique experience. Divers drop into a spacious cavern where a shaft of sunlight, often appearing electric blue, pierces the darkness. It’s more about the ethereal light show than specific marine life, though you'll find the odd cardinalfish tucked into crevices. This site suits those looking for something a bit different, a photogenic moment rather than a reef teeming with activity.
Safety Notes
Overhead environment - never enter without proper cave/cavern training, redundant equipment, and a guideline.
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