 They won their second Continental Quadruple in 2017–18 season (LEN Champions League, Greek League, Greek Cup, Greek Super Cup).After the 2014–15 LEN Euro League win of the women's department, parent club Olympiacos CFP became the second sports club in continental waterpolo history to have been crowned European Champions with both its men's and women's teams and the only one in Europe with both these departments currently active.Domestically, Olympiacos is the most titled club in Greek water polo history, as the club's 59 domestic titles (62 overall) are the most out of any Greek club.