In 2011 she joined the Spanish national team, becoming part of the senior group and training at the High Performance Centre in Madrid, although she was not a starter in competitions until 2014.

She has since participated in several exhibitions with the reserve group, such as those held in July 2011 and February 2012 in Alicante, in June 2012 in San Cugat del Vallés, in November 2012 at Euskalgym, in March 2013 in La Moraleja and in April in Tres Cantos.

[2] On June 23, 2013, Marina performed for the first time with the main group during an exhibition in Valladolid, specifically in the routine with 3 balls and 2 ribbons.

[4] In April 2014, Marina participated in two exhibitions with the reserve team on the International Day of Sport for Development and Peace, organized at the CSD, and with 10 clubs at the Queen's Cup in Guadalajara.

[8] On December 20, 2014, she participated with the rest of the group in the tribute to her coach, Sara Bayón at the Marta Domínguez Pavilion in Palencia, performing two exhibitions.