Explore details about location Urbanización Gromo del Mar. Urbanización Gromo del Mar is a location situated within the Argoños alongside other areas such as Avenida Siete Villas, Urbanización Gromo del Mar, Calle Pedro Ortiz. Additionally, some smaller parts of Urbanización Gromo del Mar include specific areas like El Astillero-Santoña adding to the diversity of its landscape.