Dispatches
The Blue Cave near Dubrovnik glows differently hour by hour. When to visit, what the light does, and how to see Koločep’s sea cave at its best in 2026...
Ten kilometres west of Dubrovnik’s Old Town, on the south-facing flank of Koločep Island, there is a sea cave that briefly — and only briefly — turns the colour of liquid sapphire. The effect is physics, not folklore. For about three hours...






