Mar Chiquita, Argentina offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Mar Chiquita is known for the Mar Chiquita Lagoon, a unique coastal lagoon and nature reserve that attracts birdwatchers and nature enthusiasts. The best time to travel to Mar Chiquita, 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!