One of the most famous excursions from Hvar, leading to a natural sea cave on the island of Biševo. The cave is known for the intense blue light created when sunrays reflect through an underwater opening and illuminate its interior. The excursion is often combined with a visit to the island of Vis, hidden coves, and swimming in crystal-clear sea, making it one of the most sought-after day trips in central Dalmatia.