Máří is a regular guest at the Estonian National Theatre (Violetta, Margaret, the Countess), the Finnish National Opera in Helsinki (Margaret, Violetta), the Teatro Verdi in Trieste (Donna Anna, Musetta, Countess Susanna in Wolf Ferrari opera), and she has also been a guest at the Royal Opera of Versailles, Theater de Caen, Opéra de Rennes, Grand Théatre de Luxembourg (Armida, Handel - Rinaldo) and Helikon Opera in Moscow (Margaret).
She has released a vocal CD Pensive Songs and has recorded for Bayerischer Rundfunk, Klassik Radio, MEZZO TV and Czech Radio. She participated in the recording of the internationally acclaimed Il Diamante Serenata ZVW 177 by J.D. Zelenka (Nibiru 2009). Among the many countries she has performed in are Spain, France, Poland, Germany, the Netherlands, Japan, Brunei, Vietnam, Thailand, Taiwan, Cambodia, Malaysia and Korea.
Among the noted conductors she has worked with are: Gianluigi Gelmetti, Risto Joost, Jiří Kout, Jiří Bělohlávek, Asher Fish, Michael Schwiercewski, Ondrej Lenárd, Enrico Dovico, Charles Olivieri-Munroe, Tomáš Netopil and Václav Luks.