The Institute of Marine Biology in Kotor conducted a sea water quality tests in 100 recreation areas in July. All beaches in the Budva, Tivat and Bar Riviera received the highest rating of quality (Category K1). Only three areas, Novosadsko kupaliste in Herceg Novi, Zuta plaza in Kotor and Copacabana in Ulcinj, have Category K2. Thus, the sea water at 97 % beaches in Montenegro is of high quality.