Baja Sardinia, Italy offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Baja Sardinia is known for its stunning beaches and proximity to the luxury resort area of Costa Smeralda. The best time to travel to Baja Sardinia, Italy, is from May to September, with average air temperatures around 75°F (24°C) and water temperatures around 72°F (22°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!