Santo Stefano al Mare, Italy offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Santo Stefano al Mare is known for its picturesque Marina degli Aregai and the scenic cycling path, Pista Ciclabile del Ponente Ligure. The best time to travel to Santo Stefano al Mare, Italy, is from June to September, when the average air temperature is around 75°F (24°C) and the water temperature is approximately 73°F (23°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!