cadivingnews.com · Community
Protected Catalina site with calm conditions, varied terrain, and rich marine life.
Dive Spot Guide•
Rock Quarry
Catalina boat dive with kelp, walls, and sand
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Local operator required
Boat access is the normal path, so a local captain or charter is the practical way to dive it.
Boat-only Catalina site with sheltered kelp, rocky structure, and deeper sand; best when current and boat timing are steady.
About Rock Quarry
Rock Quarry is a boat-only Catalina Island dive site beside the old quarry works, where steep rock piles and a sandy bottom create a mix of shallow kelp, rocky walls, and deeper swim space. It works best as a slow, scenic boat dive with careful buoyancy, because the sheltered side can be calm but the outer edge still needs respect when current builds. The site rewards patience with a lot of structure, good fish life, and clean Catalina water when timing and boat placement line up.
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Research Estimate At Rock Quarry
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 12m
AccessModerate entry effort
Aquatic LifeGreat variety
FacilitiesBasic facilities
Crowd / PopularityModerate
CurrentModerate current
Where Is Rock Quarry?
This spotNearby spotsExplore nearby spots on the map
Community sourced coordinates.
Rock Quarry Planning Details
Depth range, seasonality, and planning context.
Reported Depth
6m - 37m
Depth Note
The shallow kelp zone sits around 20-30 feet, and the site extends to about 120 feet.
Best Season
Year-round, with late summer and fall usually clearest.
Typical Conditions
Protected frontside Catalina water with shallow kelp, a steep rocky wall, and deeper sand. Usually calm, but the outer edges can get pushed by current.
Safety & Access At Rock Quarry
Hazards, restrictions, and access requirements.
Key Hazards
Strong current
Safety Notes
Strong currents can occur; dive with appropriate experience and plan entries/exits with the boat.
Access Restrictions
Plan the dive with a boat captain who knows the frontside drop-in and current windows. There is no practical shore entry.
Legal Notes
Follow local Catalina boating and marine-protection rules and coordinate the entry with your operator.
Local Intel For Rock Quarry
Community notes to help plan your visit.
Scuba Diving
Suitable for scuba with both shallow and deeper water exploration, but currents may make it more challenging.
Freediving
Experienced freedivers can use the shallow kelp and rock sections, but the site is primarily a scuba boat dive.
Snorkeling
Not a primary snorkel site; the boat-only setup and deeper structure make it a better fit for scuba and advanced freediving.
Wildlife at Rock Quarry
Species commonly reported at this site, with direct links into their wildlife guides.
Recent Logged Visits At Rock Quarry
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Rock Quarry
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility12m
Activity
No dive activity logged yet.
