Sagay redirects here. For the municipality in Camiguin, see Sagay, Camiguin.Sagay, officially Sagay City, is a third class city in the province of Negros Occidental, Philippines. According to the 2010 census, it has a population of 140,740 people.Sagay can be easily identified in the map of Negros Occidental, because of its "ice-cream cone" shape sliced from the northern tip of Negros.