Recent trip note with visibility and depth-profile signal.
Fener Koyu is a boat dive on Dana Island with wall and reef sections.
Fener Koyu is a boat dive on Dana Island with wall and reef sections.
Fener Koyu is a boat dive on the south side of Dana Island that works well for training runs and fuller reef dives. The site starts in shallow water, then moves into a wall and rocky reef with two open caves and pockets that hold fish. It suits divers who want more shape than a flat reef, with a longer boat transfer from Boğsak and a profile that asks for steady buoyancy as depth builds. Expect groupers, moray eels, octopus, rays and sunfish around the rocky sections.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
Up to 40m
Depth Note
Shallow training water is available; the wall ends around 18 m and the reef continues to roughly 30-35 m before the site tops out around 40 m.
Typical Conditions
Offshore boat-dive conditions with a shallow start, then a deeper wall-and-reef profile over rocky habitat.
Site conditions, restrictions, and access requirements.
Safety Notes
Keep a clean depth profile once the wall drops away, and treat the cave features as guided look-ins rather than penetration features.
Access Restrictions
Boat access only; coordinate with a local operator and follow Dana Island access rules.
Legal Notes
Dana Island has archaeological remains and a major shipyard area; do not disturb or remove artifacts.
Community notes to help plan your visit.
Scuba Diving
Best for guided scuba, with a shallow start and a wall-and-reef profile that rewards trim and buoyancy control.
Freediving
Not a dedicated freedive line; the site is more useful as a scuba boat dive than as a breath-hold target.
Snorkeling
Casual snorkeling only works in the shallow training water. The main wall and reef sections are a scuba profile.
Community dive logs and visit reports for this site.
Average conditions based on logged dives & visits.
Planning answers for access, conditions, timing, and site logistics.
Last Updated
Research Sources
Recent trip note with visibility and depth-profile signal.
Offshore island context, boat access, and archaeology sensitivity.
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