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Site-specific Aldermen Islands profile with kelp, exposure, and fish life.
Dive Spot Guide•
Orca Bay
Boat-only deep-wall bay with pinnacles and fish life.
Aldermen Islands boat site with a deep wall, long slope, and pinnacles; best for experienced divers in settled summer weather.
About Orca Bay
Orca Bay is a sheltered Aldermen Islands bay with a deep wall, a long sloping seabed, and small pinnacles that add shelter and structure. It is a boat-only offshore site for experienced divers, especially when wind and swell are light, and the reef is known for snapper, kingfish, blue maomao, crayfish, yellowtail, and bait fish.
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Research Estimate At Orca Bay
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 16m
AccessSimple entry
CoralHeavily damaged
Aquatic LifeGreat variety
FacilitiesBasic facilities
Crowd / PopularityFew visitors
CurrentLight current
SurgeModerate surge
Where Is Orca Bay?
This spotNearby spotsExplore nearby spots on the map
Community sourced coordinates.
Orca Bay Planning Details
Depth range, seasonality, and planning context.
Reported Depth
20m - 35m
Depth Note
Wall drops to 20m+ and the slope continues to 35m+ further into the bay.
Best Season
Summer
Typical Conditions
Sheltered bay with a deep wall, sloping bottom, and small pinnacles; better in calm offshore weather.
Safety & Access At Orca Bay
Hazards, restrictions, and access requirements.
Key Hazards
Surge
Safety Notes
The wall drops quickly, and northeast wind or swell can make the bay less forgiving on rough days.
Access Restrictions
Private boat or charter only; no landing without a permit.
Legal Notes
The Aldermen Islands/Te Ruamahua are a High Protection Area, so landing is not permitted and access is by private boat or charter.
Local Intel For Orca Bay
Community notes to help plan your visit.
Scuba Diving
Best for experienced divers who want a wall-and-pinnacle profile with plenty of fish life.
Freediving
Only the sheltered shallows and upper reef would suit confident freedivers; the site is mainly a scuba target.
Snorkeling
Not a primary snorkel site; only the calmest shallow edges would be practical.
Wildlife at Orca Bay
Species commonly reported at this site, with direct links into their wildlife guides.
Recent Logged Visits At Orca Bay
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Orca Bay
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility16m
Activity
No dive activity logged yet.
