Anabel Montesinos was born in Reus, Tarragona, in 1984. She began her musical education in the Escuela Municipal de L'Hospitalet de L'Infant in Tarragona at the age of six. She was awarded a distinction for her elementary grade in 1996. At the age of ten she started studying with Vania del Monaco, and one year later, in 1997, she began her intermediate level studies in the Conservatorio Superior de Música of Tarragona, graduating in 2001. Currently, she is studying in the Conservatorio Superior de Música Oscar Espla in Alicante, in the class of Ignacio Rodes. She has also attended master-classes with Manuel Barrueco and David Russell.

Anabel Montesinos made her debut at the age of twelve in Mallorca, Spain. She has given recitals in Spain, Poland and Italy and has participated as a guest in numerous important festivals, including the Fourth International Meeting of Classical Music in Jaén, the Ninth Gitarowy Festival in Lublin, as guest soloist with the Philharmonic Orchestra of Lublin, and the Thirteenth Guitar Festival in Barcelona.
Anabel Montesinos has participated in numerous international guitar competitions winning various prizes. Among them - third prize in the 1999 Sixth International Guitar Contest Maria Luisa Anido in Italy; first prizes in the Ninth Castellón Francisco Tárrega Competition, and in 2000 in the Krynica International Contest in Poland, the Fourth Sevilla America Martinez National Contest, the First Almeria Julian Arcas International Contest, and in the Fourth International Guitar Festival, category Moyen, in France. In the year 2001 she won first prizes in the Jaén First International Competition El Condado, the Lérida Second Instrumental Competition Sant Anastasi, and in 2002 the first prize, audience prize and special prize for the best performance of works by Francisco Tárrega at the 36th Francisco Tárrega International Guitar Competition at Benicásim. Her achievements have provoked enthusiastic acclaim from music critics and audiences.

She has just won her first recording contract and can be regarded as the Spanish guitarist with the most promising future in the international classical guitar scene.
She currently resides in Austria and is often seen performing in duo with guitarist Marco Tamayo.