Iwik, Mauritania offers 1 beach perfect for sunbathing, surfing, swimming, and more. Iwik is known for the Banc d'Arguin National Park, a UNESCO World Heritage site renowned for its diverse birdlife and rich marine biodiversity. The best time to travel to Iwik, Mauritania, is from November to February, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 21°C (70°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!