667, covering an area of 16.76 square kilometres (6.47 sq mi) and signed by President Manuel L. Quezon on January 18, 1940, for the benefit and enjoyment of the people of the Philippines and known as the Hundred Islands National Park (HINP).

[5] The park including Lucap Bay was transferred from HICDA to the Philippine Tourism Authority (PTA) by virtue of Section 35 of Presidential Decree No.

2237 enacted on November 6, 1982, the parcels of land reserve for the Marine Fisheries Multi-Purpose Farm (created under Proclamation No.

436 signed by President Gloria Macapagal Arroyo on June 21, 2005, transferred the administration, management, maintenance, and operation of the whole Hundred Islands National Park (HINP), including all the activities, facilities, and improvements thereafter, from the Philippine Tourism Authority (PTA) to the city government of Alaminos, Pangasinan in pursuit of Republic Act No.

Other abundant trees include Molave (Vitex parviflora), malaikmo (Celtis philippensis), and sablot (Litsea glutinosa), commonly found in forests within limestone or karst landscapes.

Some exotic species are also present; among these are the fire tree (Delonix regia), calachuchi (Plumeria acuminata), atis (Annona squamosa), sineguelas (Spondias purpurea), sampaloc (Tamarindus indica), and ipil-ipil (Leucaena leucocephala).