Malgrat de Mar, Spain offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Malgrat de Mar is known for its beautiful beaches, Parc Francesc Macia, and the historic Church of Sant Nicolau. The best time to travel to Malgrat de Mar, Spain, is from late May to early October, with average air temperatures ranging from 70°F to 85°F and water temperatures from 68°F to 77°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!