She is a foremost representative of Slovakia's young generation of organists. As her main subjects, she studied piano and organ concurrently at the Conservatory in Košice (Emília Dzemjanová – organ, Naďa Demeterová – piano), and at the Academy of Performing Arts in Bratislava (Ferdinand Klinda – organ, Tatiana Fraňová – piano). During her studies, she already performed concerts at reviews and festivals, both at home and abroad. Later, she also graduated in Germany, at the Musikhochschule of Freiburg (Klemens Schnorr) and the Musikhochschule of Stuttgart (Bernhard Haas).
In 2001, she received three awards: the Ľudová banka Grand Prix, and the Rector's Prize of the Academy of Performing Arts, while the Ministry of Education of the Slovak Republic awarded her the Gorazd Medal. A whole range of triumphs at prestigious European organ competitions opened her the door to domestic and foreign concert stages. She achieved first place at a number of competitions: the International Competition of Young Organists in Opava (Czech Republic, 1998), the Jan Pieterszoon Sweelinck International Organ Competition in Gdansk (Poland, 2000), the Premio Valentino Bucchi International Organ Competition in Rome (Italy, 2000), the International Organ Competition in Bad Homburg (Germany, 2003), the Brucknerfest International Organ Competition in Linz (Austria, 2004), and the Concours International pour Orgue, St. Maurice (Switzerland, 2005).
Bernadetta Šuňavská deliberately develops and extends her wide-ranging concert repertoir, including not only the greatest and most challenging organ works, but also her own transcriptions of numerous well-known composition (Mussorgsky, Prokofiev, Stravinsky, Janáček, and others). She has performed at prestigious festivals and concerts both at home and abroad (in Poland, the Czech Republic, Germany, Austria, Italy, France, Switzerland, Luxembourg, etc.). Several times she has recorded for radio, television and sound media.