conanp.gob.mx · Official
Official decree for Isla San Pedro Martir Biosphere Reserve with remote offshore placement and high marine biodiversity.
Dive Spot Guide•
Arroyo - San Pedro
Boat dive for sea lions on San Pedro Martir
ScubaBoat EntryIntermediate
Reef
Local operator required
Remote protected-area logistics and boat-only access make an accredited local operator the practical option.
Remote island dive with sea lions, black-coral structure, and variable drift; best for divers comfortable with boat logistics and changing conditions.
About Arroyo - San Pedro
Arroyo - San Pedro is a remote boat dive on Isla San Pedro Martir in the Sea of Cortez, where rocky relief, black-coral structure, and algae pockets attract sea lions, groupers, and other reef life. It suits divers who are comfortable with open-water logistics and changing drift, with the best moments usually coming when light and current line up.
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Research Estimate At Arroyo - San Pedro
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 15m
AccessChallenging entry effort
Marine LifeExceptional variety
Current StrengthStrong current
Where Is Arroyo - San Pedro?
This spotNearby spots
Community sourced coordinates.
Arroyo - San Pedro Planning Details
Depth range, seasonality, and planning context.
Reported Depth
Up to 27.4m
Depth Note
Maximum depth reported as 90 ft.
Typical Conditions
Warm water and good visibility are common, but current can shift quickly and make the site sporty.
Safety & Access At Arroyo - San Pedro
Hazards, restrictions, and access requirements.
Key Hazards
Strong current
Safety Notes
Sea lions can be very interactive; maintain respectful distance and avoid provoking protective males.
Access Restrictions
Boat access only; use accredited operators for the protected area.
Legal Notes
Part of Isla San Pedro Martir Biosphere Reserve, so access should follow reserve rules and operator guidance.
Local Intel For Arroyo - San Pedro
Community notes to help plan your visit.
Scuba
Best suited to boat-diving scuba divers who are comfortable with variable drift and open-water entries.
Arroyo - San Pedro Dive Conditions Planner
Use the planner to scan this week, inspect today in local time, and understand how exposure shapes conditions at Arroyo - San Pedro.
Current Snapshot
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🌥️Variable
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Surface / Entry
Wind No data · Tide No data
Sea State
Swell No data · Period unavailable
Visibility Outlook
Rain chance No data
Wind
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Exposure Profile at Arroyo - San Pedro
Directional shelter context for incoming swell.
Exposure Note
Hourly forecast data is not available yet.
Recent Logged Visits At Arroyo - San Pedro
Community dive logs and visit reports for this site.
No Dive Logs Yet
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Dive Spot Log Averages At Arroyo - San Pedro
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility15m
Activity
No dive activity logged yet.
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Arroyo - San Pedro Guide - Frequently Asked Questions
Planning answers for access, conditions, timing, and site logistics.
Arroyo - San Pedro Guide - Sources and Updates
Last Updated
Research Sources
nautilusliveaboards.com · Operator
Recent operator report for El Arroyo with many sea lions, 15-20 m visibility, and strong south-setting current.
www.bluewaterdivetravel.com · Operator
Trip report describing San Pedro Martir sea lions, clear warm water, Arroyo as a dive site, and a sporty drift on the final dive.
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