Run by George AngDyPay, an experienced TDI and PSAI technical rebreather instructor. Set up to cater to both recreational and technical divers it has quickly become the dive center of choice for most tech divers. Guiding is done by local staff members who are all trained as divemasters and technical wreck guides. Accommodation is at the nearby hotels, Herbie's Mansion, Boardwalk Inn, and Mango Valley.
A monument of a head of a chieftain in the middle of a roundabout in Rizal Avenue. According to local folklore, the area was once ruled by a benevolent chieftain who was known as "Apo" who was beheaded by rival tribes. The monument features the namesake of Olongapo (particularly from the phrase "Ulo ng Apo" or Apo's head).
A park beside the SM City Olongapo Central. At its entrance is a concrete mural/relief dedicated to Filipino workers, and a model of a RA-5 Vigilante aircraft. The park also has a children's playground.
Historical landmark.
Ruins of an American fort in Grande Island.
A hotspot for seeing bats, The best time to visit is sunset.