2015 winner of the Metropolitan Opera National Council Auditions, the Gerda Lissner Foundation and the Licia Albanese-Puccini Foundation International Vocal Competitions makes her professional debut as Musetta with Michigan Opera Theatre in La Boheme, and as Leonora in Il Trovatore in Hong Kong. Further engagements at the Metropolitan Opera, Teatro Municipal de Santiago, Welch National Opera, Seattle Opera, and Austin Lyric Opera are explained on her calendar.
Marina with her sisters Ginger and Miriam are Opera's Three Soprano Sisters—The Costa-Jacksons. Their voice-types are, respectively, lyric, coloratura, and mezzo-soprano. In 2015 they sang with Dmitri Hvorostovsky, and toured Russia with the International Festival Palaces of St. Petersburg, under the direction of Maria Safariants. This second tour was sponsored by the US State Department.