Tide-timed boat diving and Jina Wall operator context.
Jina Wall
Jina Wall is a boat-access wall dive with potato grouper.
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About Jina Wall
Jina Wall is a Mafia Island wall dive on the northern tip of Jina Island, with shallow caverns, overhangs, and a gravel base. The signature encounter is a very large potato grouper that often comes close, while pelagics, schools of fish, and rays can appear in the blue. It is a better fit for divers who are comfortable on a wall profile and who time the dive around the tide.
Research Estimate At Jina Wall
Conservative baseline from public research. No community dives logged yet.
Where Is Jina Wall?
Jina Wall Planning Details
Depth range, seasonality, and planning context.
Reported Depth
8m - 26m
Depth Note
Small wall with caverns and overhangs that tapers to a gravel field at the base.
Best Season
October to February usually brings the clearest water, while the rougher mid-year period can make the site less forgiving. The best tide windows are around neaps and the turn of the tide.
Typical Conditions
A compact wall with shallow caverns and overhangs, a gravel base, and tide-sensitive current near the edge.
Safety & Access At Jina Wall
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
Keep tight buoyancy around the caverns and overhangs, and do not force the open-water edge when the current is building.
Local Intel For Jina Wall
Community notes to help plan your visit.
Scuba Diving
Depth range is 8–26 m along a vertical wall with shallow caverns and overhangs, finishing over a gravel field.
Freediving
Potentially workable for experienced freedivers on calm tide windows, but the wall, overhangs, and current make the site more comfortable with a proper boat plan.
Snorkeling
Not a primary snorkel site; the wall structure and tide-sensitive edge are better handled with scuba or a very controlled freedive plan.
Jina Wall Dive Conditions Planner
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Exposure Profile at Jina Wall
Directional shelter context for incoming swell.
Wildlife at Jina Wall
Species commonly reported at this site, with direct links into their wildlife guides.
Recent Logged Visits At Jina Wall
Community dive logs and visit reports for this site.
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Dive Spot Log Averages At Jina Wall
Average conditions based on logged dives & visits.
Jina Wall Guide - Frequently Asked Questions
Planning answers for access, conditions, timing, and site logistics.
Jina Wall Guide - Sources and Updates
Last Updated
Research Sources
Independent site and operator-support context for Mafia Island diving.
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