Karystos Wall (Evia) | Central Greece’s Sea-Fan Wall
Site Overview
The Karystos Wall is a steep drop-off on the south coast of Evia, falling from a shallow plateau to around 40 m and clad in sea fans and the hard-coral-like algae of the clear Euboean Sea. Groupers hold on the ledges, nudibranchs freckle the rock, and the open water just off the face can bring the occasional pelagic. It is a versatile site: confident Open Water divers enjoy the bright top, while advanced divers drop down the wall for the deeper sea-fan gardens. With reliable conditions and a short boat ride from Karystos, the wall is a satisfying, fish-filled dive and a great place to slow down and appreciate central Greece’s quiet richness. Karystos Wall (Evia) sits within Mainland – Central Greece (Evia, Volos, Lamia) and is best described as a wall and reef dive. The water here is typically clear, and the profile — from around 6 m down to 40 m — gives intermediate divers a rewarding range of routes. Among the life you can expect are Red Gorgonian, Dusky Grouper, Mediterranean Moray, Nudibranch, Bogue. The site rewards a slow, observant approach, and good buoyancy keeps both diver and reef safe. With sensible planning around weather and boats, it ranks among the more memorable stops on a Greek diving trip.
Dive Briefing
"The boat anchors above the wall and the group descends along the line to the top of the drop-off at 6–10 m. The guide leads a slow descent along the face, pointing out sea fans and groupers and allowing advanced divers to continue toward 35–40 m while monitoring gas and no-deco limits. Divers stay off the wall to protect the fans and maintain control in any current. After the deepest point, the group spirals up the wall, finishing with a safety stop in the bright shallows. A DSMB is deployed before surfacing. The dive ends with a controlled ladder re-entry. On the day, the guide runs a full briefing covering entry, descent line, depth limits and the turn point. Divers follow the plan at a relaxed pace, keeping close to the group and watching depth and gas. The route makes the most of the wall and reef features while staying within no-decompression limits. A safety stop in the shallows rounds off the dive before a controlled ascent and DSMB deployment if needed."
Signature Marine Life
Red Gorgonian
Paramuricea clavata
Best: Year-round
Dusky Grouper
Epinephelus marginatus
Best: Year-round
Mediterranean Moray
Muraena helena
Best: Year-round
Nudibranch
Flabellina species
Best: April, May, June
Bogue
Boops boops
Best: Year-round
Safety & Hazards
- Depth to 40 m
- Fragile sea fans
- Occasional current
- Boat traffic
- Surge on the wall
- Entry in swell
Traveler Notes
Who is this for?
The Karystos Wall suits Open Water divers on the shallow top and advanced divers on the deeper wall, making it a good shared site for mixed-ability groups. It is excellent for photographers after sea fans and for anyone who loves a healthy wall. Good buoyancy is needed near the fans, and a semi-dry helps on the deeper sections. Confident boat divers will enjoy it most on a calm day. It is a good choice for intermediate divers who want a mix of marine life and scenery without extreme demands. Photographers will find plenty to frame, and buddy pairs can explore comfortably once briefed. Those new to the area should dive with a local centre to make the most of conditions and site knowledge.
Quick Stats
Dive Logistics
- Evia Diving
- Central Greece Diving
Photography Info
Best for: wide_angle
Nearby Stay
Karystos Hotel
Karystos • 1km away
Marmari Hotel
Marmari • 10km away