Boulder Alley

Tropical Northwestern PacificMariana Islands
Type:
Scuba Diving
Entry:🏖️Shore Entry
Tags:
Great ScubaReefWall
About This Dive Spot

Boulder Alley is a shore dive site characterized by clear waters, making it suitable for night dives. Divers can drift along the cliff line that extends between the Navy sea wall and Shark’s Pit. At the western end of the dive, large schools of Pyramid Butterfly Fish are commonly observed, and divers may also encounter turtles during their exploration. The site offers a unique opportunity to observe pelagic species occasionally as well.

Where is this?
Map location of Boulder Alley
This spotNearby spots
Community sourced coordinates.
Dive Statistics
Average conditions based on logged dives
Activity
Total Logs
0
Unique Divers
0
Dive with These Shops
Local dive shops offering trips to this spot
Recent Logged VisitsRecent Dive Logs
No dive logs yet for Boulder Alley

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Quick Facts

  • Best season: Check recent logs for current conditions
  • Typical visibility: Variable
  • Entry types: shore
  • Highlights: scuba diving

Spots Near Boulder Alley

Sharks Pit dive spot
📍 0.5 km

Sharks Pit

Entry:

🏖️Shore Entry

Type:

Scuba Diving
Tarzan Cave dive spot
📍 1.0 km

Tarzan Cave

Entry:

🏖️Shore Entry

Type:

Scuba Diving
Barracuda Rock - Guam dive spot
📍 1.2 km

Barracuda Rock - Guam

Entry:

🏖️Shore Entry

Type:

Scuba Diving
Crevice dive spot
📍 1.4 km

Crevice

Entry:

Boat Entry

Type:

Scuba Diving
Turtle Rock - Guam dive spot
📍 1.5 km

Turtle Rock - Guam

Entry:

Boat Entry

Type:

Scuba Diving
Gab Gab 1 dive spot
📍 2.0 km

Gab Gab 1

Entry:

🏖️Shore Entry

Type:

Scuba Diving

Frequently Asked Questions

What's the best entry point at Boulder Alley?
Entry at Boulder Alley is detailed in the spot description above. Look for specific landmarks, access paths, and any tide or condition requirements. Local divers often share updated entry tips in their dive logs.
What conditions are best for diving Boulder Alley?
Optimal conditions at Boulder Alley depend on several factors including tide, wind, and season. Check recent dive logs for current condition reports and patterns. Generally, calmer seas and high tide provide better visibility and easier entry.
What is the maximum depth and typical visibility at Boulder Alley?
Depth and visibility information for Boulder Alley can be found in the spot details and recent dive logs. Conditions can vary significantly based on weather, tide, and season. Always plan your dive according to current conditions and your certification level.
Are there any safety considerations or local etiquette at Boulder Alley?
When diving Boulder Alley, respect local regulations, marine life, and other water users. Be aware of any specific hazards like currents or boat traffic mentioned in the spot description. Follow Leave No Trace principles and local diving etiquette.