The Hundred Islands National Park is the first national park and a protected area located in Alaminos, Pangasinan in the northern Philippines. The islands, totaling 124 at low tide and 123 at high tide, are scattered in Lingayen Gulf covering an area of 16.76 square kilometres (6.47 sq mi). Only four of them have been developed for tourism: Marcos Island, Governor Island, Quezon Island, and Children's Island.