Naxos dive-center homepage showing the base, boats, staff, and site library.
Rocky boat dive off the Alyco Bay islet.
A local Naxos dive boat is the practical way to reach Black Rock Reef.
Black Rock Reef is a compact Naxos boat dive around a small rocky islet off Alyco Bay. The route favors steady navigation along a wall and reef edge, with enough variety to keep the circuit interesting without turning it into a speed run. It suits divers who want a focused island dive with clear structure, solid marine life, and conservative gas planning.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
Up to 34m
Depth Note
The circuit sits in the low-30 m range, with a longer 50-minute loop around the rock.
Best Season
April to October
Typical Conditions
Small rocky islet, wall section on the south side, and a route that rewards a measured pace.
Hazards, restrictions, and access requirements.
Safety Notes
Keep the profile conservative on the full circuit and leave margin in gas reserves if conditions change.
Access Restrictions
Plan the dive with a local Naxos operator. The full circuit is best for divers comfortable with a longer boat profile.
Legal Notes
Follow the boat briefing and stay on the planned route around the islet.
Community notes to help plan your visit.
Scuba Diving
Black Rock Reef suits scuba divers who like a compact rock loop, wall sections, and a longer route with clear landmarks.
Freediving
Freediving is not the right fit; the site is built around a boat dive and a longer underwater circuit.
Snorkeling
Snorkeling is not the main use case here. The route only becomes interesting well below the surface.
Species commonly reported at this site, with direct links into their wildlife guides.
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
Naxos dive-center homepage showing the base, boats, staff, and site library.
Guided-certified-diver activity page with April-to-October season and boat-transfer details.
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