With a stay at Castilla Termal Balneario de Solares in Medio Cudeyo, you'll be near the beach, within a 10-minute drive of Cabarceno Natural Park and Bay of Biscay. This family-friendly hotel is 12.8 mi (20.6 km) from El Sardinero Beach and 3.8 mi (6.2 km) from Fluviarium Lierganes.