

Best for advanced divers, 6-50m, boat entry, strong current.
Block 1 is a deep reef site located off Balabac-Bugsuk in the Philippines. The reef structure extends from 6 to 50 metres, requiring advanced buoyancy control and situational awareness. Divers must be prepared for strong currents that can shift quickly, and visibility is limited to approximately 5 metres. Access is by boat only, and divers should be self-sufficient as local facilities are unverified. Hazards include sharp coral and rocks, necessitating careful movement during entry and exit. Always confirm current timing with the boat crew before descending to ensure a safer dive.
8.33667, 117.22805
Confirm current timing with your boat crew before descending, as the strong flow at this site can shift quickly and catching a slack window makes navigation significantly safer. Pack all your own equipment and surface marker buoys, as facilities are unverified locally.
Accessible from shore.
Recorded at this site
Depth
6-50m
Visibility
5m
Skill Level
Advanced
Entry
Boat
Boat required
Water Temp
27-30°C
Current
Strong
No, this site is intended for advanced divers due to the significant depth range, strong currents, and limited visibility.
The reef structure spans a depth range of 6 to 50 metres.
Access is by boat only; there is no shore entry available.
Divers should watch for strong currents throughout the dive and avoid contact with sharp coral and rocks when entering or exiting the water.
You must pack all your own equipment and surface marker buoys, as there are no verified facilities at this location.
Diving at Block 1 in Palawan requires the following certifications: Advanced. Always dive within your training limits.
Block 1 in Palawan can have strong currents. Advanced experience with drift diving and current navigation is recommended.
Visibility at Block 1 in Palawan typically ranges from 5 metres to 5 metres. Conditions vary with weather, tides, and seasons.