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The cave's unique beauty stems from its deep blue water. Sunlight shines in through the cave's entrance, formed by seawater erosion, and reflects off the white sand at the bottom, creating a shimmering blue hue in the water. The entire cave seems to be bathed in a mysterious blue color, which is why it has such a distinctive name.
At a fixed time, around 11-12 noon, the sunlight shines down on the water, reflecting shimmering turquoise rays onto the cave ceiling, enveloping all the boats and tourists in this beautiful blue glow, creating a magical spectacle.
The sinkhole is 9 meters below sea level and reaches a depth of 35 meters, making it easily accessible for divers. The rich underwater world, including marine life, sponges, coral, and more, makes it one of the top diving spots in Croatia.
In fact, there are quite a few caves around the island, but the most famous is the Green Cave. It was discovered in 1884.
Boats are only allowed to drift into the cave, and motorboats must turn off their engines before entering to maintain silence and fresh air inside.
Ngoc Anh (According to LonelyPlanet)
