Modra Špilja (The Blue Cave), located in a small cove of Balun on the island of Biševo. The cave was formed by the wave action of the sea, as sea water eroded the limestone rock of which the whole island of Biševo is composed. The cave itself is 24 meters long, 10–12 meters deep and up to 15 meters high, while the entrance to it measures 1.5 meters high and 2.5 meters wide.

In the year 1884. baron Eugene von Ransonnet described and depicted it. On his suggestion the entrance to the cave has been enlarged, thus making it accessible to the entire world. The cave has two entrances: the smaller one artificially widened and deepened so that the boat could sail through, and the wider one, located at the southern part of the cave - the underwater passage, through which the magical game of the light and water is performed...

Depending on the season, the ideal moment to visit the cave is between 9 and 13 o’clock in the morning. At this time of day, the sunlight reflects through the water coming from the white floor of the cave and bathes the cave in aquamarine light, while objects in the water appear to be silver.

The cave receives more than 10,000 tourist visits every year, and tourist boats often include a visit to another similar cave on the island, the Zelena špilja (The Green cave), which is bigger in size and appears to be of an emerald-green tone due to a similar effect. Around this small yet beautiful island, countless caves and coves can be found!

One thing is sure, if You find yourself in Split, sailing through and around coastline caves is a must do while in Split. This magical game of lights is experience you will hardly forget. If you wish to avoid the crowd there are various Private tours options in which, according to Your taste You can choose and tailor Your own schedule to experience unforgettable times in Croatia.