Martin Garcia Island, Argentina offers 1 beach perfect for sunbathing, surfing, swimming, and more. Martin Garcia Island is known for its rich history, nature reserves, and birdwatching opportunities. The best time to visit Martin Garcia Island, 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!