Born in Seville (Spain) in 1976. He began his studies at the Conservatory of Music of Seville, where he studied with teachers José Antonio Coso and Ana Guijarro. Later, he continued his studies in schools such as "Musikhochschule Freiburg" (Germany), "Queen Sofía College of Music" (Madrid) and "van Amsterdam Conservatorium" (Netherlands), receiving the teachings of Tibor Szàsz , Vitali Berzon, Dimitri Bashkirov, Galina Eguiazarova and Jan Wijn.
At the same time receiving advice from renowned musicians from the national and international scene such as Almudena Cano, Barry Douglas, Philippe Entremont and Daniel Barenboim, among others. He has been honored in pianistic competitions and national and international chamber music ("JJMM Permanent Competition of Spain", "Manuel de Falla" Competition Granada, "Beethoven Wettbewerb" of the Musikhochschule Mannheim, ...) .
Óscar Martín Castro has performed on the national stage as the "Auditorio Nacional de Música" (Madrid), "Manuel de Falla" (Granada), "Philharmonic Society" of Bilbao, Madrid "Conde Duque Auditorium", "Central Theater" Seville ( performance as a soloist, in the context of the Piano Concerto "Contemporary Music" in G. Ligeti), "Teatro de la Maestranza" in Seville, "Alcázar" Segovia, Palacio de Congresos de Cadiz, ... as well as instances such as "Institute of Music" in Cleveland (USA), "Konzerthalle" in Hamburg (Germany), "Spielhaus Winterthur" Swiss "Koc Üniversitesi" Istanbul (Turkey), "Teatro Teresa Carreño" of Caracas (Venezuela) or "Palace of Fine Arts" in Brussels (Belgium), among others, with the presence of media such as RTVE, WCLV Ohio (USA) or Radio Vltava in Prague (Czech Rep.). He plays as a soloist with orchestras such as "Orquesta Ciudad de Malaga", "Orchester der Musikhochschule Freiburg", "Royal Symphony Orchestra of Seville", "Orquesta Presjovem", "BandArt Academy" or "Simon Bolivar Youth Symphony Orchestra" , with directors like Peter Gülke, Pedro Halffter, Rubén Gimeno, Juan García, Pablo Mielgo, James Ross, or Günter Neuhold, who recently, with the orchestra "Oviedo Philharmonic" played the Piano Concerto No. 2 Bela Bartok at the Prince Felipe Auditorium in Oviedo.
He has performed in major international festivals such as Lucena, Segovia, Ayamonte, Cadiz, Ubeda, Granada and Cordoba, receiving public and critical acclaim.
His chamber music activity should also be highlighted, and his Arnold Schoenberg recordings ("Suite Op 29" and "Symphonie de chambre op 9.") could be highlighted, the latter in the version transcribed by Anton Webern. ) and José M. Sánchez Verdú, next to "Zahir Ensemble" and Juan García at the direction, it is published by the record companies "Naxos" and "VERSO".
Currently, he combines his activity together with teaching at the Superior Conservatory of Music "Castillo Castillo" of Seville. He recently made his debut in the grand concert hall of Warsaw's Chopin University (Poland), where he played the complete Isaac Albéniz's Iberia Suite.