Nerea Garmendia was born in Guipuzcoano, Spain on October 29th, 1979. Since she was a little girl she already new that she wanted to be an actress. Nerea started to get popular in the public when she participated in the show Vaya Semanita. Later on she partook in the television shows KTM, Easy Peasy, La Noche con Fuentes, and Cia. She also was the host for a local television, participated in a commercial for MTV along with Sara Montiel, and partook in several short films.

Nerea Garmendia is remembered for her role as Ruth in the television series Los hombres de Paco. She started the series in 2006 and finished in 2007 after she discovered that her character was the evil one in the season.