[2] At the end of that decade he began his career in the program Tómbola with Karmele Marchante, Lydia Lozano and Ángel Antonio Herrera [es], becoming one of the most highly paid periodites in the industry.
In Summer 2021 published his own book, 'Jesús por Mariñas, memorias desde el corazón'.
He received a warning from the office of the Prime Minister of Spain Felipe González for his treatment of his wife Carmen Romero López.
In 1991, together with the director of the magazine Épocas Jaime Campmany, they were sentenced to pay 21 million pesetas for "moral damages" to the socialite Marta Chávarri, since the court considered that her chronicles were "an unlawful interference in the rights to honor and to personal and family privacy".
In August of that same year, he received a punch from the Nobel Prize writer Camilo José Cela, because Mariñas accused him of selling his wedding to a magazine.