The Rosa Vlasi is a technical wreck located off the coast of Attica, Greece. Resting at depths between 51 and 65 metres, this site is strictly for experienced technical divers. Access is by boat only, and divers must contend with moderate currents that can affect both descent and exit. Visibility at the site fluctuates between 10 and 30 metres. The wreck presents a significant overhead environment, necessitating proper training and redundant gas supplies for penetration. Given the depth, mandatory decompression stops are required for all dives. Divers should confirm current conditions with their operator before planning their descent.

Makronisos south reef features a combination of reef structures and canyon terrain, offering a varied underwater landscape for intermediate divers. The site reaches depths between 15 and 30 metres, with an average depth of 20 metres. Divers can expect mild currents, with the canyon walls providing occasional shelter. Visibility at the site ranges from 10 to 30 metres, though it can fluctuate based on local weather conditions. Boat access is required to reach this location, and divers should coordinate entry and exit procedures with their boat operator. Typical dives at this site last approximately 45 minutes.

Makris Reef in Attica provides a straightforward reef diving experience suitable for beginners. The site features depths ranging from 15 to 25 metres, with an average depth of 20 metres. Access is exclusively by boat. Divers can expect mild currents and visibility typically between 10 and 25 metres. Water temperatures fluctuate throughout the year, ranging from 16C in winter to 25C in August. Due to active boat traffic in the area, divers must deploy a surface marker buoy before ascending. Maintain controlled buoyancy to avoid contact with the sharp coral and rock structures present across the reef.

The Little Island is a boat-access reef dive located in Attica, Greece. The site features depths ranging from 15 to 20 metres, with an average depth of 18 metres, making it suitable for beginner divers. Divers can expect mild currents and visibility that varies, so checking local conditions with your boat operator is recommended. The reef environment supports a variety of Mediterranean reef fish and invertebrates. Night diving is available at this location, offering a different perspective of the reef compared to daytime visits. A typical dive at this site lasts approximately 45 minutes.

Legrena in Attica, Greece, offers a diverse underwater landscape featuring reefs, walls, an artificial reef, and a wreck. Located 450 metres from the shore, this site is accessible via a shore entry and is suitable for beginners. Divers can explore depths ranging from 2 to 45 metres, with an average depth of 25 metres. Conditions include mild currents and visibility between 10 and 20 metres. Water temperatures fluctuate between 16C and 22C throughout the year. Facilities at the site include parking, a dive shop, air fills, and guided tours. Divers should be aware of potential hazards including boat traffic, decompression, entanglement, and overhead environments.

Kyra Leni is a two-hold bulk carrier wreck resting on a sandy seabed off Patroklos island. The vessel lies at depths ranging from 18 to 30 metres, with the stern at 16 metres and the bow at 30 metres. Due to storm damage, the superstructure is largely destroyed, limiting penetration opportunities. This site is accessible only by boat and features mild currents with visibility between 10 and 30 metres. It is suitable for beginners, though divers should be aware of hazards including boat traffic, depth, entanglement risks, and the overhead environment. Typical dives last around 40 minutes, and night diving is permitted.

Seal Cave in Attica, Greece, is a sheltered cave environment suitable for beginner divers. The site features depths ranging from 5 to 18 metres, with an average depth of 7 metres. Divers can access the cave via shore or boat entry. Conditions include mild currents and visibility that typically ranges between 10 and 30 metres. A notable feature is a cold section where fresh water mixes with warmer sea water, creating a distinct halocline effect. Due to the overhead environment and potential for variable visibility, divers should check local conditions before arrival. Facilities are not guaranteed on-site, so visitors should arrive fully equipped for their dive.

The Parking Lot is a marine dive site located 1500m off the coast of Attica, Greece. This location features a combination of reef and wall topography suitable for beginner divers. Depths range from 18 to 40 metres, with conditions generally relaxed and free of significant currents. Visibility at the site varies between 10 and 30 metres. Access to this site requires a boat, and divers should coordinate departure times and vessel details with their local operator in advance. As conditions can vary, it is recommended to check locally for the most current information regarding site facilities and seasonal schedules.