Martínez Botana began learning the double bass and piano at the age of 6 at the elementary music conservatory Cristóbal Halffter in Ponferrada, Spain.

[4] As a part of this orchestra Martinez Botana recorded three CDs in 2017 and 2018: the CHOC-winning[5] Deutsche Grammophon Prokofiev: Romantic Suites (Romeo and Juliet, Cinderella) with conductor Stéphane Denève,[6] the Warner Classics Piazzolla / Galliano: Concertos for Badoneon & Accordion with conductor Diego Matheuz and accordionist Gwen Cresens[7] and the ERATO Cinema recorded by violinist Renaud Capuçon and the Brussels Philharmonic under the baton of Stéphane Denève.

[13] As a chamber musician Martínez Botana performed with prominent artists including Julia Fischer, Ana Chumachenko, Yuri Bashmet, Natalia Gutman, Andras Schiff, Christian Tetzlaff, Lars Vogt, Nobuko Imai, Tabea Zimmermann, Polina Leschenko, Philippe Graffin, Gary Hoffman, David Cohen, Kian Soltani, Aaron Pilsan, Antje Weithaas, Alexander Buzlov, Mischa Maisky and Tatiana Masurenko.

[17] In 2015 specially commissioned by the Kronbeg academy for all alumni with Gidon Kremer, Martinez Botana participated in the premiere of "Swan Time" written by Victor Kissine.

Together with other artists such as Tanja Becker-Bender, Andrej Bielow, Marc Bouchkov, Friedemann Eichhorn, Suyoen Kim, Alissa Margulis, Alicja Smietana, Kirill Troussov.

Some of her most notable Solo appearances includes the premiere of works by composer Vladimir Rosinskij (born 1962) at the "Two Days and Two Nights of New Music" festival in Odesa, Ukraine.

She performs compositions by Giovanni Battista degli Antonii, Domenico Gabrielli, Georg Philipp Telemann, Johann Sebastian Bach, Johann Baptist Wanhal, Franz Anton Hoffmeister, Niccolò Paganini, Ludwig van Beethoven, Giovanni Bottesini, Gioachino Rossini, César Franck, Johannes Brahms, Adolf Mišek, Max Bruch, Gabriel Fauré, Sergei Rachmaninoff, Enrique Granados, Paul Hindemith, Hans Fryba, Erwin Schulhoff, Vincent Persichetti, Mieczysław Weinberg, Virgilio Mortari, Serge Koussevitzky, Astor Piazzolla, Michel van der Aa, Edgar Meyer, Nino Rota, Hans Werner Henze, Sofia Gubaidulina, Frank Proto, Pēteris Vasks, David Ellis, Teppo Hauta-aho and Emil Tabakov.

[26] In December 2011 the video of her interpretation of the Parable XVII by Vincent Persichetti was chosen by the American bass magazine No Treble for its Top Ten most-read features of the week.