Martinez, Argentina offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Martinez is known for its charming residential atmosphere and proximity to the Rio de la Plata, offering scenic views and outdoor activities. The best time to travel to Martinez, Argentina, is from November to March, 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!