Since establishment in 1923, Jug was one of the most successful water polo clubs in Yugoslavia.

It won fourteen Yugoslav Water Polo Championship titles in Kingdom of Yugoslavia.

During the existence of SFR Yugoslavia, Jug was among the elite Yugoslav water polo clubs, winning a total of eights Yugoslav Water Polo Championship titles; three in a row from 1949 to 1951, four in a row from 1980 to 1983, and their last one in 1985.

In Croatia, it won five consecutive championship titles from 2008–09 to 2012–13 and Croatian Cup in the 2008–09 season.

Also, in the 2018–19 LEN Champions League, it lost in the quarterfinals to Hungarian team Ferencvárosi with 10–9.