Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Olongapo (52% of total searches to Zambales). The next most popular destinations are Subic (44%) and San Antonio (2%). Searches for hotels in San Narciso (1%) are also popular.
KAYAK users have found double rooms in Zambales for as cheap as $28 (Castillejos) in the last 3 days. The average price is $56.