Looking at places I stayed at or previously visited,
Viking Resort, Johans Dive Resort, Harley's pub (Baloy Long Beach, Barretto) ......... all around 700-800bht/night on Agoda.
Doesn't seem any more expensive than when I was last there pre-COVID.
Harley's .......... 850bht/night
https://www.agoda.com/en-gb/harleys-pub-and-hotel/hotel/subic-zambales-ph.html?ds=SNF38M5CKr2b%2BxO4
The Pub Hotel ..... 600bht/night
https://www.agoda.com/en-gb/the-pub-hotel/hotel/subic-zambales-ph.html?ds=SNF38M5CKr2b%2BxO4