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Dive Spot Guide•
Blue Hole - Guam
Iconic Guam blue-hole dive with a deep shaft exit.
Boat-only Guam sinkhole dive; plan for advanced depth, high visibility, and a deep wall exit after the shaft.
About Blue Hole - Guam
Blue Hole - Guam is a boat-access blue-hole and wall dive off the Orote Peninsula, where a shallow reef-top opening drops into a vertical shaft and opens onto the outer wall through a deeper window. It is best suited to experienced scuba divers who are comfortable with depth, current-aware exits, and a direct route back to the reef edge; the site is famous for its dramatic shape and open-ocean feel rather than for a long coral cruise.
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Where Is Blue Hole - Guam?
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Community sourced coordinates.
Blue Hole - Guam Planning Details
Depth range, seasonality, and planning context.
Reported Depth
9.1m - 91m
Depth Note
The reef-top opening begins around 60 feet, the shaft drops to a 300-foot class depth, and the main recreational exit window sits at about 125 feet.
Best Season
April to December
Typical Conditions
Clear, warm-water, open-ocean conditions with a dramatic shaft-to-wall transition and strong photo appeal.
Safety & Access At Blue Hole - Guam
Hazards, restrictions, and access requirements.
Key Hazards
Overhead environment
Safety Notes
Treat the site as an advanced blue-hole dive with a planned exit onto the wall. Stay inside your training limits and keep the boat pickup plan clear before entry.
Access Restrictions
Boat access only; sheer cliffs make shore entry impractical.
Legal Notes
Use a guide and a clear exit plan because the site transitions from shaft to wall at depth.
Local Intel For Blue Hole - Guam
Community notes to help plan your visit.
Scuba Diving
A limestone plateau dive with a vertical shaft starting around 60 ft and a window at about 125 ft; suitable for experienced deep divers when attempting to descend through the hole.
Wildlife at Blue Hole - Guam
Species commonly reported at this site, with direct links into their wildlife guides.
Recent Logged Visits At Blue Hole - Guam
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Blue Hole - Guam
Average conditions based on logged dives & visits.
No community dive data has been logged here yet. Be the first to record a dive and seed the averages.
