The La Lanzada beach is one of the most famous beaches in Galicia. It is located in the municipalities of O Grove and Sanxenxo in the province of Pontevedra. The blue flag has been flying there for a long time.
Wikipedia https://en.wikipedia.org/wiki/La_Lanzada_Beach
Address Spain
Coordinates 42°26'53.933" N -8°52'40.518" E