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Blue Grotto
The Blue Grotto or Blue Cave is a flooded sea cave located in the small bay of Balun on the island of Biševo. It’s situated approximately 4.5 nautical miles (8.3 km) from Komiža and 5 km southwest of Vis, within the Croatian Adriatic. The grotto is renowned for its distinctive blue light that appears at specific times of the day.
