Why visit
Why visit Blue Cave, Biševo
For roughly two hours around midday, sunlight enters this small sea cave on the tiny island of Biševo through an underwater opening, reflects off the white limestone floor and floods the entire cave in a glowing electric blue you can hardly believe is natural. It's a short but strictly-controlled boat visit from Komiža on Vis, or a longer speedboat day-tour from Split or Hvar..
At a glance
Estimated visit
30 minutes inside (2–3 hour trip)
Best season
11 AM–noon in high summer for peak blue
Where
Komiža, Vis, Croatia
Category
Cave
History
For roughly two hours around midday, sunlight enters this small sea cave on the tiny island of Biševo through an underwater opening, reflects off the white limestone floor and floods the entire cave in a glowing electric blue you can hardly believe is natural. It's a short but strictly-controlled boat visit from Komiža on Vis, or a longer speedboat day-tour from Split or Hvar.
“The blue light effect only works because the underwater opening acts as a natural filter — direct sunlight from outside would just wash out the colour completely.”
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No other landmarks within a short walk from here.
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