It began on 23 September 2017 and it concluded with the championship final on 3 June 2018.
[1][2] Club de Campo were the defending champions.
[3] A total of 10 teams participated in the 2018–2019 edition of the Liga Iberdrola.
The promoted team was UD Taburiente, who replaced CH Pozuelo.
Real Club de Polo won the series 1–0.