The Blue Flag is a certification by the Foundation for Environmental Education (FEE) that a beach, marina, or sustainable boating tourism operator meets its standards. The Blue Flag is a trademark owned by FEE, which is a not-for-profit, non-governmental organisation consisting of more than 100 organisations spreading 81 countries. As of 2025, Spain is the country with the most Blue Flag beaches in the world, with 642 Blue Flags and 749 awards in total.