Mutriku, Spain offers 11 beaches perfect for sunbathing, surfing, swimming, and more. Mutriku is known for its picturesque old town, the Mutriku Wave Energy Plant, and the nearby Geopark of the Basque Coast. The best time to travel to Mutriku, Spain, is from June to September, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 20-22°C (68-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!