Explore details about location Calle del Río. Calle del Río is a location situated within the Santurce alongside other areas such as Calle Haydee Rexach, Calle Mallorca, Calle Progreso. Additionally, some smaller parts of Calle del Río include specific areas like Calle Laura, Calle del Valle, Calle San Miguel adding to the diversity of its landscape.