Pontikonisi is a reef and wall site located in Attica, Greece, accessible only by boat. The topography features a wall that descends from 3 metres to a maximum depth of 40 metres, with an average depth of 28 metres. Divers should be prepared for moderate currents, which can vary, and it is recommended to time dives around slack water to manage the wall section effectively. Visibility at the site typically ranges between 10 and 30 metres. Due to the depth and current, this site is suited for intermediate divers with solid buoyancy control. Night diving is permitted at this location.

Camping in Attica is a shore-entry dive site featuring a combination of natural reef, seagrass beds, and artificial reef structures. The site is suitable for beginner divers, with depths ranging from 12 to 20 metres and an average depth of 16 metres. Visibility varies between 10 and 30 metres. Divers should be aware of sea urchins and sharp rocks at the water's edge, necessitating the use of thick-soled dive boots. When exploring the artificial reef, maintain distance from structure edges and watch for loose lines or debris to avoid entanglement. On-site facilities include a dive shop, air fills, parking, and changing areas.

2nd Limanaki in Attica offers a diverse shore dive combining a reef and a cave system. The site reaches depths of 30 metres, with an average of 15 metres. Divers encounter a reef environment that transitions into an overhead cave section, requiring careful buoyancy control and planning. Conditions vary, with visibility ranging from 5 to 20 metres and strong currents present. Due to the depth and overhead environment, this site is suited for intermediate divers. Facilities at the location include changing rooms, showers, toilets, a cafe, and a dive shop. Typical dives last approximately 40 minutes, with May and October providing the most settled conditions.

1st Cove Vouliagmeni is a reef site in Attica, Greece, offering shore access for divers. The site features a depth range of 2 to 25 metres, with an average depth of 4 metres. Conditions are variable, with visibility ranging from 5 to 60 metres and mild currents. The site is suitable for beginners, though divers should be aware of hazards including deep sections, potential overhead environments, and strong currents. Facilities at the location include changing rooms, showers, toilets, a cafe, and a dive shop. A typical dive at this location lasts 45 minutes.

Agia Marina Beach in Attica offers a shore-entry dive suitable for beginners, featuring a mix of reef and seagrass beds. The site ranges from very shallow water to a maximum depth of 15 metres, with an average depth of 5 metres. Divers experience mild currents and visibility between 3 and 10 metres. Due to potential surf and shore break, entry requires caution; shuffle through the shallows to avoid sea urchins. The site is well-equipped with parking, showers, toilets, changing rooms, and a rinse station. Arriving early is recommended to avoid afternoon onshore breezes that can reduce visibility. Typical dives last approximately 45 minutes.

Vouliagmenis Lake in Attica is a complex dive site featuring cave, drift, and artificial reef elements. Divers access the water from the shore to explore depths ranging from 2 to 20 metres. The environment is characterised by brackish water that transitions to seawater at approximately 40 metres, influenced by a freshwater spring. Conditions include strong currents and an overhead environment, requiring intermediate skill levels. Facilities at the site include parking, toilets, showers, changing rooms, air fills, a dive shop, and guided tours. Divers should be aware of hazards including the deep nature of the site, potential for entanglement, and the overhead environment.

Schinias Bay in Attica, Greece, offers a shore-entry dive suitable for beginners. The site features a combination of natural reef and artificial reef structures, providing a varied underwater topography. Divers can expect depths ranging from 3 to 15 metres, with an average depth of 8 metres. Conditions are generally manageable, with mild currents and visibility fluctuating between 5 and 20 metres. Water temperatures vary seasonally, ranging from 16C in the winter months to 26C in August. Typical dives last approximately 45 minutes. Divers should be aware of potential hazards, including sea urchins and sharp coral, when navigating the area.

Arzentas Canyon in Attica, Greece, is a diverse marine site featuring a reef, wall, cave, and canyon topography. Suitable for intermediate divers, the site requires boat access and offers depths ranging from 14 to 35 metres, with an average depth of 25 metres. Divers can expect mild currents and visibility between 10 and 25 metres. Water temperatures fluctuate throughout the year, ranging from 16C in the winter months to 24C in August. Due to the depth and the presence of an overhead environment, divers should be aware of risks associated with nitrogen narcosis and deep diving. Typical dives at this location last approximately 45 minutes.