garysdivemexico.com · Operator
Local boat operator context for the San Carlos crossing.
Dive Spot Guide•
La Roca Grande
Sea-lion boat dive at San Pedro Nolasco with rocky terrain and reef life.
Scuba DivingBoatIntermediate
Reef
Make this a real next stop
Save it, log a dive, or explore nearby on the map.
Save it to come back later
A one-hour boat dive from San Carlos with rocky shelves, sandy patches, sea lions, and a comfortable recreational profile.
About La Roca Grande
La Roca Grande is a boat-access dive site at San Pedro Nolasco Island where rocky shelves break into sandy areas and the dive stays comfortably recreational. Sea lions are the headline attraction, but the site also offers mixed reef fish, invertebrates, and a straightforward boat day for divers who want wildlife and easy navigation rather than a technical profile.
•
Research Estimate At La Roca Grande
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 15m
AccessSimple entry
CoralMixed health
Aquatic LifeGreat variety
CurrentLight current
Where Is La Roca Grande?
This spotNearby spots
Community sourced coordinates.
La Roca Grande Planning Details
Depth range, seasonality, and planning context.
Reported Depth
15.2m - 18.3m
Depth Note
Average depth reported as 50–60 ft, with the option to reach greater depth if desired.
Best Season
May to October
Typical Conditions
Warm water, generally better visibility, and mild boat-dive conditions in the warm season; cooler months can still produce good marine-life encounters.
Safety & Access At La Roca Grande
Hazards, restrictions, and access requirements.
Key Hazards
Boat trafficLow visibility
Safety Notes
Standard boat-dive awareness applies. Give sea lions space and be prepared for visibility that can swing by season.
Access Restrictions
Boat access depends on weather and local operator schedules; there is no formal site closure indicated in the sources.
Legal Notes
Follow local marine-reserve guidance and marina instructions when visiting San Pedro Nolasco.
Local Intel For La Roca Grande
Community notes to help plan your visit.
Scuba Diving
Average depth is about 50–60 ft, with the possibility to dive deeper.
Freediving
Shallow rocky zones may suit freedivers when conditions and operator guidance allow.
Snorkeling
Snorkeling is common around San Pedro Nolasco, especially near sea lions and shallow rock.
La Roca Grande Dive Conditions Planner
Use the planner to scan this week, inspect today in local time, and understand how exposure shapes conditions at La Roca Grande.
Current Snapshot
No data
🌥️Variable
Sunrise
No data
Time
No data
Sunset
No data
Surface / Entry
Wind No data · Tide No data
Sea State
Swell No data · Period unavailable
Visibility Outlook
Rain chance No data
Wind
No data
Swell
No data
Exposure Profile at La Roca Grande
Directional shelter context for incoming swell.
Exposure Note
Hourly forecast data is not available yet.
Recent Logged Visits At La Roca Grande
Community dive logs and visit reports for this site.
No Dive Logs Yet
Be the first to log a dive at this spot and share your experience!
Dive Spot Log Averages At La Roca Grande
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility15m
Activity
No dive activity logged yet.
Loading nearby spots...
La Roca Grande Guide - Frequently Asked Questions
Planning answers for access, conditions, timing, and site logistics.
La Roca Grande Guide - Sources and Updates
Last Updated
Research Sources
guaymas.gob.mx · Official
Municipal tourism summary for the island and its diving appeal.
visitsonora.mx · Official
Official tourism listing for the sea-lion day trip to San Pedro Nolasco.
www.diventures.com · Independent
Independent marine-reserve summary with corals, sea lions, and fish.
www.tripadvisor.com · Independent
Traveler visibility range and sea-lion comments for the island.
Know this site? Improve Spot Details.
