The municipality of Marina de Cudeyo lies in the province of Cantabria, in Cantabria: according to official INE figures for 1 January 2025 it is home to 5,221 people, over about 28.0 km².
With about 186 inhabitants per km², it combines a medium-sized town with residential districts, farmland and business areas. Of the 22 municipalities in the province of Cantabria with at least 5,000 inhabitants, it is number 22 by population.
As the crow flies it lies about 8 km south-east of Santander, the provincial capital. The nearest major city is Bilbao, about 70 km away.
Nearby, within a few dozen kilometres, are other destinations featured in our guides: Santander (7 km), Castro Urdiales (44 km).
To explore the area, use the map of neighbouring municipalities and the accommodation options in and around Marina de Cudeyo; all the municipalities in the province of Cantabria are listed on their own page.