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Blue Grotto
Grotta Azzurra
The Blue Grotto is a renowned sea cave located on the coast of the island of Capri, Italy. Known for its vibrant blue waters, the cave stretches approximately 60 meters in length and 25 meters in width, with an entrance about 2 meters wide and 1 meter high at sea level.
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The Blue Grotto's striking coloration is caused by sunlight passing through an underwater cavity and shining through the seawater. This effect is best witnessed between noon and two p.m. Accessing the cave requires a small boat, and entry is dependent on calm sea conditions. With its historical significance dating back to Roman times, the site attracts many visitors annually.