Spain's water experiences run across an extensive coastline facing three different bodies of water. Barcelona sunset sailing tours in the Mediterranean, Basque Country whale and dolphin watching cruises in the Bay of Biscay, and Galicia estuary boat tours in the Atlantic ría system where shellfish beds visible below the boat produce Galician mussels and clams add the mainland coastal register. Mallorca's cove boat tour circuit — accessing sea caves and crystal-clear Mediterranean bays unreachable from land — and the Menorca kayak coastal route between the two UNESCO Biosphere Reserve shorelines extend the island options. The Guadalquivir River boat tour from Seville to the Doñana National Park wetlands, where flamingos wade in the estuary reed beds, and the Valencia Albufera lagoon punt tour at sunset add the inland water experiences.