Villa Balnearia 7 de Marzo, Argentina offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Villa Balnearia 7 de Marzo, Buenos Aires, Argentina, is known for its proximity to the scenic beaches of the Buenos Aires Province. The best time to travel to Villa Balnearia 7 de Marzo, Argentina, is from December to February, with average air temperatures around 75°F (24°C) and water temperatures near 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!