Old Sagay, Philippines offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Old Sagay, Western Visayas, Philippines, is known for the Sagay Marine Reserve and the Museo Sang Bata sa Negros. The best time to travel to Old Sagay, Philippines, is from December to May, with average air temperatures around 27°C (81°F) and water temperatures near 28°C (82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!