scubaguam.com · Dive Directory
Directory listing with depth, visibility, and drift summary.
Dive Spot Guide•
Boulder Alley
Boulder Alley is a Guam drift-and-night dive along the Orote cliff line.
Boat access, a cliff-line drift, and a night-dive reputation make Boulder Alley a good fit for certified divers who want a straightforward Guam wall dive.
About Boulder Alley
Boulder Alley is a Guam boat dive along the Orote cliff line, where the route drifts between the Navy sea wall and Shark’s Pit. The site mixes boulders, wreckage, and a night-dive feel, so it works best for divers who like staying relaxed and letting the route carry them. Expect clear water, easy fish spotting, and a profile that can change quickly with the current. It is a strong choice when you want a site that feels lively without needing a complicated swim.
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Research Estimate At Boulder Alley
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 24m
AccessSimple entry
Aquatic LifeExceptional variety
FacilitiesGood facilities
Crowd / PopularityModerate
CurrentModerate current
Where Is Boulder Alley?
This spotNearby spotsExplore nearby spots on the map
Community sourced coordinates.
Boulder Alley Planning Details
Depth range, seasonality, and planning context.
Reported Depth
12m - 27m
Depth Note
A cliff-line drift with boulders and wreckage, starting around 40ft and running to about 90ft.
Best Season
Year-round, with the calmest and clearest windows when the sea is settled.
Typical Conditions
Drift along the cliff line, super-clear water on many days, and a route that can feel more energetic if the current picks up.
Safety & Access At Boulder Alley
Hazards, restrictions, and access requirements.
Key Hazards
Strong current
Safety Notes
Keep buoyancy tight near the wall and plan for a drift rather than a fixed route.
Access Restrictions
Boat dive on the Orote Peninsula.
Local Intel For Boulder Alley
Community notes to help plan your visit.
Scuba Diving
A boat dive that drifts between the Navy sea wall and Shark’s Pit, mixing boulders and wreckage with plenty of fish to inspect.
Freediving
Not an ideal freedive site because the route is a boat drift with deeper structure and changing current.
Snorkeling
The shallow edge is not the main attraction; treat it as a scuba boat dive rather than a snorkel spot.
Wildlife at Boulder Alley
Species commonly reported at this site, with direct links into their wildlife guides.
Recent Logged Visits At Boulder Alley
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Boulder Alley
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility24m
Activity
No dive activity logged yet.
