She was nominated and rewarded with many awards for her work with and for children. She died in Bologna. Three weeks before her death, she directed the choir and young soloists at 38th Zecchino d'Oro international festival of songs for children. Now, the choir is directed by Sabrina Simoni, formerly Ventre's assistant.
Antonella Boriani and Gianmarco Gualandi dedicated a song to her, titled "Mariele chi è?" (Who is Mariele?) sung by the Piccolo Coro Mariele Ventre dell'Antoniano on 22 November 2005 (video available at this page).