Loiri Porto San Paolo, Italy offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Loiri Porto San Paolo, Sardinia, Italy, is known for its proximity to the stunning Tavolara Island and the beautiful beaches of Costa Smeralda. The best time to travel to Loiri Porto San Paolo, Italy, is from May to September, when the average air temperature is around 75°F (24°C) and the water temperature is approximately 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!