Hundred Islands National Park
The gulf has numerous islands, the most famous of which are in the Hundred Islands National Park. This tourist attraction features 123 islands, the majority of which are small in size. The largest island is Cabarruyan Island, which constitutes the municipality of Anda, Pangasinan, followed by Santiago Island at the mouth of the Gulf.
The shore from Labrador to San Fabian is characterized by a long grey-sand beach. Other well-known beaches are at Bolinao and San Fernando City. The waters of Lingayen Gulf are murky due to its sandy bottom. Coral reefs were all but destroyed by dynamite fishing, although efforts are made to restore some, especially inside the Hundred Islands National Park.
A number of cities are found along the gulf's coast such as Dagupan City and Alaminos City in Pangasinan, and San Fernando City in La Union. Lingayen, the capital of Pangasinan, also lies on the shores of the gulf.
The gulf has five major river sources. Flowing from the province of Pangasinan in the south are the Agno,
Angalacan-Bued rivers. From the east in the province of La Union flow the