She took part in the campaign in the Indian Ocean under Commander René Lemarant de Kerdaniel, serving with Hamelin's squadron. She also was present in the final stages of the Battle of Grand Port. Astrée came to be part of a squadron under Pierre Bouvet, who had assumed command of the French squadron at Grand Port after Duperré was wounded, and had been promoted to capitaine de frégate. The squadron also comprised Iphigenia as a flagship, and the sloop Entreprenant.