
Diving at Marades (Greece)
For divers seeking ancient history alongside vibrant Mediterranean ecosystems, Marades in Greece presents a compelling destination. Exploring the recently opened Peristera shipwreck site offers an unparalleled glimpse into maritime heritage. Additionally, the varied reef structures and caves provide diverse topography for different skill levels. Prepare for clear waters and a range of depths, ensuring a rewarding experience.
Tonight's objective overview for Marades shows an air temperature of 29.5°C. The measured surface conditions include wave heights around 0.8 m. This environmental data is logged for the close of the day.
Dive Site Location & Key Facts
Dive Site Overview
Diving around Marades, near Alonissos, offers a diverse underwater landscape, blending historical significance with rich natural beauty. A highlight is the ancient Peristera shipwreck, now accessible for scuba diving, where ceramic amphorae lie scattered at depths around 14.5 to 16.3 m (48 to 53 ft).
These archaeological remains provide unique photographic opportunities. Beyond the wreck, numerous reefs characterize the region's diving. Mourtias Reef features both a wall section dropping to 30 m (98 ft) and a shallower plateau ranging from 10 to 15 m (33 to 49 ft).
Divers might encounter a max depth of 25.4 m (83 ft) there, with water temperatures around 26°C (79°F) at the surface, cooling to 25°C (77°F) at 20 meters. The Gorgonian Gardens descend to over 40 meters, showcasing impressive red and yellow gorgonians.
Nearby, Agios Georgios South Reef offers currents and swim-throughs, while Agios Petros Reef features sandy bottoms interspersed with Posidonia seagrass patches, often revealing cuttlefish. A dive at the Blue Cave can reach depths around 25 meters, consistently showing 26°C (79°F) water temperatures.
Conditions are Good
Optimal conditions expected
Current conditions near Marades show 29° air, 25° sea temperature, 0.8 m waves, and 35 km/h wind. Forecast data is refreshed regularly to ensure accuracy.
Best Time to Dive
Marades diving conditions vary significantly throughout the year, with the optimal period generally extending from March through October for warmer air and calmer seas. During the summer months, from June to September, air temperatures are comfortably high, averaging 25.5°C to 29°C (77.5°F to 83.8°F), while wave heights are typically lower, averaging between 0.6 and 0.8 meters (2 and 2.6 ft). Rainfall is minimal during this peak season. Conversely, the winter months, from December to February, see cooler air temperatures, ranging from 13°C to 14.5°C (58°F)to 58.3°F), accompanied by higher wave activity and increased rainfall. Water temperatures during late summer dives have been recorded at a pleasant 26°C (79°F) in shallower areas, making it a comfortable experience for many divers.
PEAK SEASON SCORE
Scores combine air & water temps, waves, wind & rainfall for overall conditions.
BEST MONTHS TO DIVE
Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.
Dive Experience & Conditions
Descending into the waters around Marades provides a tangible shift in environment, from bright surface light to the deeper, cooler realms. Water temperature near the surface often sits at a comfortable 26°C (79°F) during warmer months, though thermoclines can be noticeable. For instance, at 20 meters on Mourtias Reef, temperatures might dip to 25°C (77°F), while the Gorgonian Gardens see a more significant drop to 20°C (68°F) around 30 meters and 18°C (64°F) at 40 meters. Currents, particularly at sites like Agios Georgios South Reef, can range from mild to moderate, necessitating proficient buoyancy control and efficient fin kicking to navigate swim-throughs. Visibility is generally good, allowing appreciation of the diverse topography, from vertical walls and reef plateaus to expansive sandy bottoms and lush Posidonia seagrass beds.
Dive Difficulty & Safety Guidelines
Diving in the Marades region requires attention to site-specific conditions, particularly given the varying depths and occasional currents. Proper buoyancy control is essential when navigating the swim-throughs and reef structures found at sites like Agios Georgios South Reef. Divers should be mindful of depth limits, as some sites, such as the Gorgonian Gardens, can extend beyond typical recreational depths to over 40 meters, requiring advanced certification and experience.
Always dive within your certified limits and consider local guidance when currents are present. It's advisable to dive with experienced local operators who are familiar with the specific characteristics of each site, ensuring a safe and enjoyable exploration.
Recommended Equipment
Overhead / entanglement risk. Wreck penetration requires proper training.
- Dive Computer
- Primary & Backup Lights
- Wreck Reel
- Cutting Tool
This gear list is based on verified equipment signals for Marades, Greece. Always confirm final gear choices with your dive operator, guide, or liveaboard.
Recommended Dive Suit
In conditions like these, many divers prefer diving with 3mm wetsuit. Consider warmer surface protection (like a boat coat) due to brisk winds.
Current readings at Marades show water temperatures near 25°C (76°F). Surface air temperatures are resting at 29°C (85°F).
Environmental conditions appear stable for the near future.
Emergency & Medical Support
Essential information to help you plan your dive trip to marades.

Hyperbaric chambers are a critical part of dive safety infrastructure. Availability varies significantly by region, and not all dive areas have immediate access.
Before diving, it's recommended to:
- confirm nearest medical facilities
- check emergency procedures with local dive operators
- ensure dive insurance covers evacuation if required
Divers Alert Network
Diving emergency assistance available through DAN Europe.
+39 0642115685- 24/7 emergency hotline
- Diving medical assistance
- Evacuation coordination
Emergency contacts are provided for reference. Always verify local emergency services before diving.
Closest Listed Hyperbaric Chambers
Showing listed hyperbaric chamber facilities within 200 km of this dive site.
Distances are approximate straight-line distances and may not reflect emergency travel time.
MKYI/NNA (DHDM/ANH)
24/7 ListedICU CapableAthens, Greece•Approx. 60 km straight-line
MKYI/NNA (DHDM/ANH)
24/7 ListedICU CapableInformation is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.
Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.
Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.
Marine Life at Marades
Under the surface in Marades, divers will find a spectrum of marine life intertwined with geological formations and historical remnants. The ancient Peristera shipwreck's amphorae create unique habitats for smaller creatures.
Reefs like Mourtias and Agios Georgios host a variety of nudibranchs, including Hervia, Flabellina, Spotted doris, and Giant doris. Cuttlefish are frequently spotted on the sandy bottom sections of Agios Petros Reef, often camouflaged among Posidonia seagrass patches.
Look for long-striped blennies perched on rocks and scorpionfish blending into the terrain. The Gorgonian Gardens are particularly striking, adorned with vibrant red and yellow gorgonian corals, providing a colorful backdrop for other invertebrate species and reef fish.
Dive Sites Near Marades
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Dive Centers Near Marades
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Nearest Airports
Nearest airports to help plan travel to this dive area.
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Search Flights on ExpediaFrequently Asked Questions
What is the main attraction for divers in Marades?
The primary draw for divers is the ancient Peristera shipwreck. It's now accessible for scuba diving, offering a rare opportunity to explore an archaeological site featuring numerous ceramic amphorae.
What are the typical water temperatures?
During warmer months, surface water temperatures generally hover around 26°C (79°F). However, at greater depths, thermoclines can lead to cooler temperatures, dropping to 20°C (68°F) at 30 meters and even 18°C (64°F) at 40 meters in sites like the Gorgonian Gardens.
Are there dives suitable for beginners?
Yes, sites like the Peristera shipwreck are relatively shallow, around 15 meters, making them suitable for certified recreational divers. The plateau sections of Mourtias Reef also offer shallower options between 10 to 15 meters.
What kind of marine life can I expect to see?
You can anticipate seeing various nudibranchs, cuttlefish in seagrass beds, long-striped blennies, and scorpionfish. The Gorgonian Gardens are particularly notable for their extensive red and yellow gorgonian corals.
Are there any challenging dive sites?
Agios Georgios South Reef is known for currents and swim-throughs, requiring good buoyancy control and fin kicking skills. The Gorgonian Gardens also reach deeper technical depths of over 40 meters, making them suitable for advanced divers.
When is the best time of year to dive in Marades?
The best time to dive is from March through October. During these months, air temperatures are higher, wave activity is generally lower, and rainfall is minimal, creating more comfortable and favorable diving conditions.
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Conditions are Good
Optimal conditions expected
Current conditions near Marades show 29° air, 25° sea temperature, 0.8 m waves, and 35 km/h wind. Forecast data is refreshed regularly to ensure accuracy.










