The rescue ship Mimis lies in the waters off Attica at a depth of 70 to 80 metres. This wreck is a technical dive site requiring advanced certification and careful gas management. The structure remains largely intact, offering a challenging environment for experienced divers. Visibility typically ranges from 10 to 20 metres, and the site experiences mild currents. Due to the significant depth, divers must plan for decompression stops and manage nitrogen narcosis risks. Access is exclusively by boat, and the site is not suitable for recreational depth limits. Divers should confirm local conditions and operator availability before planning a visit.

The Agios Marcos shipwreck is a deep-water site located off the coast of Attica, Greece. Resting at depths between 35 and 45 metres, with an average depth of 42 metres, this wreck is suited for intermediate divers comfortable with deeper profiles. Divers can expect mild currents and visibility ranging from 10 to 20 metres. The site is accessible via both shore and boat entry. Given the depth, careful planning of bottom time is essential for a safe 40-minute dive. Divers should ensure they have sufficient gas reserves for the deeper sections of the structure.

The Seaplane wreck in Attica, Greece, rests on a sandy bottom at depths between 15 and 18 metres. This artificial reef site is suitable for beginner divers, offering a manageable dive with no significant current. Visibility at the site typically ranges from 5 to 10 metres. Access is by boat only, as the wreck lies 50 metres from the shore. Divers should be aware of active boat traffic in the area and use a surface marker buoy during ascent. Due to the presence of loose cables and structural sections, avoid entering confined spaces to prevent entanglement.

Kapari Island is a reef site located off the coast of Attica, Greece. This boat-accessible dive offers depths ranging from 12 to 30 metres, with shallower sections suitable for beginner divers. The site features mild currents and visibility between 10 and 30 metres. Divers can explore the reef structure and observe the diverse range of reef fish and invertebrates typical of this Mediterranean habitat. Due to the potential for high visibility, morning dives are recommended to avoid water disturbance from boat traffic. Water temperatures fluctuate throughout the year, ranging from 16C in the winter months to 26C in September.

Seals is a shore-entry reef and cave dive located in Attica, Greece. Suitable for beginners, the site offers depths ranging from 3 to 21 metres. Divers can expect mild currents and visibility typically between 10 and 30 metres. The site is accessible year-round, though conditions can shift, so checking with local dive centres or harbour masters before entry is recommended. Facilities including parking, toilets, showers, changing rooms, a rinse station, air fills, and guided tours are available in the area. Note that facilities are not confirmed on-site, so divers should arrive prepared. Hazards at this location include jellyfish and sharp coral.

Balco sub is a wreck dive located in Attica, Greece, suited for advanced divers. The site features a wreck structure resting at depths between 18 and 30 metres, with an average depth of 24 metres. Divers enter from the shore to explore the wreck, which requires careful navigation due to the overhead environment and potential for entanglement. Visibility typically ranges from 15 to 25 metres, though conditions vary alongside moderate currents. Species recorded around this area include crab, bream, snail, and rockpool prawn. Divers should arrive self-sufficient as there are no on-site facilities, and confirm access arrangements locally before planning a dive.

Morena Cave in Attica, Greece, offers a combination of reef and overhead environment diving. Accessible from the shore, the site features depths ranging from 15 to 30 metres, with an average depth of 15 metres. Visibility typically spans 10 to 30 metres, assisting with navigation within the cave structure. As this is an overhead environment where direct ascent is not possible, the site is suited for intermediate divers who can manage air and bottom time effectively. Divers should ensure torches are functional before entry. Water temperatures fluctuate between 16C and 26C throughout the year, and the site is generally free from strong currents.

Dentex Pass in Attica, Greece, features a combination of reef and wall topography. The wall descends to a maximum depth of 50 metres, requiring careful buoyancy and depth management. Divers experience visibility between 10 and 30 metres with a mild current present. Access is exclusively by boat, and the site is suited for intermediate divers due to the depth and potential for boat traffic. Always deploy a surface marker buoy before ascending to ensure safety from passing vessels. Local facilities include air fills, equipment rental, guided tours, and boat charters.