Puerto Sandino, Nicaragua offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Olon is known for its beautiful beaches and the nearby Montanita, a popular surfing destination. The best time to travel to Puerto Sandino, Nicaragua, is from December to April, with average air temperatures around 85°F (29°C) and water temperatures near 82°F (28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!