While several studies suggest that traditional gender ideologies are strongly embedded in Latino populations, little is known about the way they operate in adolescent’s romantic relationships. This mixedmethods study was carried out with adolescents in Cuenca, Ecuador. In the quantitative component, we assessed adolescents’ support for traditional gender ideologies in a sample of 562 adolescents (n = 309 girls). It was identified that the majority of adolescents were “uncritical” towards traditional ideologies involving masculinity (82%) and femininity (79%). In the qualitative component, the narratives of a sample of 20 adolescents reflected existing discourses on traditional gender roles and revealed how these ideologies are translated into specific behaviors. In this context, romantic relationships can become negative and dysfunctional spaces that affect adolescents’ development.