Season Description The 2017–18 ACB season, also known as Liga Endesa for sponsorship reasons, was the 35th season of the Spanish basketball league. It started on 29 September 2017 with the first round of the regular season and ended on 19 June 2018 with the finals.
Valencia Basket was the defending champion, but was defeated in quarterfinals by Herbalife Gran Canaria, who achieved qualification to the EuroLeague for the first time ever, but was defeated in semifinals by Real Madrid who won their 34th title after defeating Kirolbet Baskonia in finals.