AGIOS NIKOLAOS - Halkidiki
Agios Nikolaos is one of our absolute favourite dives in Halkidiki, not for its grand size, but for its compelling history and the way the sea has reclaimed it. This isn't a massive freighter, but a fascinating old slop barge, deliberately sunk back in '83. We often find ourselves just floating above its bow, imagining its working life, collecting waste from ships for over a century before it became an artificial reef. Dropping down, the visibility here is usually excellent, giving you a good look at its structure, which is surprisingly intact for its age. You can trace its outline easily, and while penetration isn't really the point, there are plenty of nooks and crannies for curious divers. Look closely and you'll spot moray eels peering out from shadowed openings. Octopus are regulars, often camouflaged against the rust-red plating, and the deck itself is a magnet for schools of damselfish, darting in and out of the emerging sponges. We’ve even seen the occasional inquisitive amberjack cruise past. This site is perfect for those who appreciate wrecks with a story, offering a relaxing dive that invites exploration rather than just observation. It’s a photographer's dream, especially on a bright day when the sun dapples through the water, illuminating the barge’s weathered hull.
- Location
- Halkidiki, Greece, Mediterranean & Europe
- Coordinates
- 40.730410, 24.241200
- Type
- wreck
- Maximum Depth
- 55m
Wreck History - AGIOS NIKOLAOS
- Year Sunk
- 1983
- Vessel Type
- barge
- Cause
- scuttled
Unlike wrecks born of tragedy, the Agios Nikolaos off Halkidiki was given to the sea deliberately, a final resting place for a vessel with over a century of service. This venerable barge had a long and storied working life, ending its career as a humble slop barge. In September 1983, its owners decided its time was over, and it was intentionally sunk, making a slow, final descent to the seabed. It is a rare example of a historic vessel being retired to the deep.
This is a dive reserved for the technically trained. Resting at a challenging depth of 55 metres, the Agios Nikolaos sits upright and largely intact, a ghost of a bygone industrial era. The cold, dark water has preserved it well, and its simple, robust structure is clearly visible. For tech divers, penetrating the darkness to land on the deck of a vessel over 100 years old is an unforgettable experience. It’s a peaceful, silent monument to a long life of hard work, now enjoying a quiet retirement in the deep waters of the Aegean.
Marine Protected Area: KOLPOS PALAIOU - ORMOS ELEFTHERON
Best Time to Dive in Halkidiki
The warmest water temperatures in Halkidiki occur in August, averaging 26.6°C. The coolest conditions are in March at 14.0°C.
Monthly Water Temperatures
- January: 14.7°C
- February: 14.5°C
- March: 14.0°C
- April: 14.6°C
- May: 18.4°C
- June: 23.4°C
- July: 26.3°C
- August: 26.6°C
- September: 24.4°C
- October: 21.2°C
- November: 18.6°C
- December: 16.3°C
Nearby Dive Sites in Halkidiki
- Akti Kalogrias
- ALEKOS - 55m (wreck)
- ANTHOULA - 11m (wreck)
- Armenistis bay - 5-20m (reef)
- Avlaki
- CAPTAIN NIKOS (PROBABLY) - 20m (wreck)
- Dias island - 10-25m (reef)
- Dolphin Diving Center
- ERIKA - 9m (wreck)
- EVDOKIA - 50m (wreck)
- FAIRY TALE - 24m (wreck)
- FETICH BOULEN - 10m (wreck)
- Fidonisi
- Finger reef (reef)
- HMMS 101 (POSSIBLY) - 40m (wreck)
Nearest Dive Centres to AGIOS NIKOLAOS
- AQUALAND - SSI, PADI, CMAS
- ARGOS DALIS MERKEZI
- AZURE DIVING CENTER - SSI
- BLUE DIVING CENTER
- CAT DIVING CENTER
- Dive Club Kassandra - ["PADI"]
Marine Life in Halkidiki
Home to 22 recorded species including 5 reef fish, 5 hard corals, 4 other, 3 crabs & lobsters, 2 soft corals, 2 whales & dolphins.
Notable Species
- Wrasse (Coris julis) - Reef Fish
- Pink Sea Fan (Eunicella verrucosa) - Soft Corals
- Sunset cup coral (Leptopsammia pruvoti) - Hard Corals
- Bushy Coral (Cladocora caespitosa) - Hard Corals
- Leidy's Comb Jelly (Mnemiopsis leidyi)
- Painted Comber (Serranus scriba) - Reef Fish
- Garrupa (Serranus cabrilla) - Reef Fish
- Devonshire cup coral (Caryophyllia (Caryophyllia) smithii) - Hard Corals
- Common brittlestar (Ophiothrix fragilis)
- Neptune's lace (Reteporella grimaldii)
- Blue Crab (Callinectes sapidus) - Crabs & Lobsters
- Star Coral (Madracis pharensis) - Hard Corals
- Red coral (Corallium rubrum) - Soft Corals
- Salema (Sarpa salpa) - Reef Fish
- Cowfish (Tursiops truncatus) - Whales & Dolphins
- Sand hopper (Talitrus saltator) - Crabs & Lobsters
- Blue-white Dolphin (Stenella coeruleoalba) - Whales & Dolphins
- Norway Lobster (Nephrops norvegicus) - Crabs & Lobsters
- Beadlet anemone (Actinia equina) - Hard Corals
- Mediterranean feather star (Antedon mediterranea)
Recommended Packing List for AGIOS NIKOLAOS
Based on average water temperature of 19.4°C, currents 6 cm/s.
- Wetsuit (3-5mm) - comfortable for 19°C water
- Mask - essential for every dive
- Fins
- BCD - buoyancy compensator
- Regulator - your most safety-critical piece of gear
- Dive Computer - tracks depth, time, and NDL
- Surface Marker Buoy (SMB) - essential for boat pickups
- Dive Torch - useful for crevices and colour at depth
- Underwater Camera - capture your diving memories