Whether you're sticking a toe in the water or searching for treasures on the shore, Sopelana Beach is a great place to spend some time with the kids. Why not bring a picnic and a rug and make a day of it?
To explore this stretch of coastline, head to Bilbao. There are lots of other worthwhile attractions in the area, including Vizcaya Bridge, Castle of Butron, and Arrigunaga Beach.