Noroît
Morag is mourning the death of her brother, responsibility for which she attributes to the power-mad Giulia, leader of an isolated band of pirates who occupy a remote island castle. Morag vows revenge, enlisting the assistance of Erika, who operates as a piratic double agent.
Starring Bernadette Lafont, Geraldine Chaplin, Kika Markham, Babette Lamy, Élisabeth Lafont, Danièle Rosencranz, Carole Laurenty, Anne-Marie Fijal, Humbert Balsan, Larrio Ekson
It's a drama and action & adventure movie, and has a rating of 6.7 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Spain.