The bays of Brna and Istruga are situated in the middle of the south side of the island of Korcula, protected by all sides from the neighbouring mounts, especially from the north side, and they are open towards the west side to the sea, which gives special climatic characteristics to this part of the island. The bay of Brna has been well-known tourist resort for more than thirty years. The hotel "Feral" and numerous smaller tourist objects with various facilities have been built here. Rich layers of the medical mud liman can be found in the bay of Istruga which is 500 metres long, 150 metres wide with the layers of mud 6 metres thick extending to the half of the bay.