Marianna is a wreck and artificial reef site located off Naxos, Greece. The site features depths ranging from 5 to 25 metres, with an average depth of 6 metres. Access is strictly by boat. Divers can expect mild currents and visibility typically between 15 and 25 metres. Water temperatures fluctuate throughout the year, ranging from 17C in winter to 23C in late summer. Due to the depth profile, divers should be aware of risks including decompression, nitrogen narcosis, and the hazards associated with deep diving. The site is suitable for intermediate divers and supports night diving. Comprehensive facilities are available, including equipment rental, air fills, and rinse stations.

Agios Prokopios Reef is a shallow, accessible reef located directly off the shore in Naxos, Greece. The site features a rocky shelf that descends to a maximum depth of 6 metres, with an average depth of 3 metres. It is well-suited for beginners and snorkellers due to its mild currents and easy entry. Divers should remain aware of local boat traffic in the area. Species recorded around this area include Great Barracuda, Common Octopus, Mediterranean Moray, Turkish Wrasse, Mediterranean Violet Aeolid, Grey Triggerfish, European Parrotfish, various nudibranchs, and Bream. Facilities including air fills, equipment rental, and a cafe are available nearby.

St Nickolas in Naxos, Greece, offers a varied underwater experience combining a cave system, a wall, and a reef. Reached by boat, the site reaches depths of 30 metres and is suited for intermediate divers. Visibility ranges from 15 to 30 metres. Divers should be aware of mild currents and potential surge within the cave, which can develop rapidly even in calm surface conditions. If surge increases, it is recommended to move to the open wall or reef. Species recorded around this area include Great Barracuda, Common Octopus, Mediterranean Moray, Turkish Wrasse, and various species of bream and nudibranchs.

Calypso is a combined reef and wreck site located off Naxos, Greece, offering intermediate divers two distinct environments in one dive. The site ranges from 5 to 20 metres in depth, with an average of 12 metres. Visibility typically spans 15 to 25 metres. Access is strictly by boat, as the site is located 1609 metres from shore. Divers should be prepared for moderate currents that can intensify, particularly between the reef and wreck sections. It is recommended to descend promptly upon entry and stay close to the structure for shelter. Morning dives are advised for more predictable current conditions.

Graviera/Frouros in Naxos, Greece, offers a diverse underwater experience combining a reef, a wall, and a cave system. Divers can explore this terrain at depths ranging from 12 to 20 metres, with visibility typically between 20 and 30 metres. The site features mild currents, making it suitable for intermediate divers. Access is by boat only, and the site is well-suited for night diving. Maintaining precise buoyancy is essential, as sharp rocks and coral are present throughout the reef and cave sections. Facilities available include air fills, equipment rental, and guided tours.

Amaras Reef in Naxos, Greece, offers a combination of shallow reef and wall topography suitable for beginner divers. The site features depths ranging from 1 to 18 metres with an average of 10 metres. Visibility is typically between 15 and 25 metres, supported by mild currents. Access is by boat only, and the site is also suitable for night diving. Divers should remain aware of boat traffic at the surface and use a visible signal device. The wall section requires careful monitoring of depth gauges to maintain planned limits during the typical 45-minute dive.

The Marianna shipwreck lies in 20 to 25 metres of water off the coast of Naxos, Greece. This wreck serves as an artificial reef, with visibility ranging from 15 to 25 metres. Access is by boat only, and the site is 15 kilometres from the shore. Divers should be prepared for strong currents that can develop quickly, making this an intermediate-level site. The wreck structure features various gaps and fittings, requiring caution to avoid entanglement or sharp edges. Due to active boat traffic in the area, the use of a surface marker buoy is essential during ascent. Guided tours are available from local dive shops in Naxos Town.

Swimthrough reef in Naxos features a complex topography of canyons and caves cutting through the reef structure. Divers explore depths ranging from 12 to 25 metres, with an average depth of 18 metres. Access is by boat only, and the site is suited for intermediate divers due to moderate currents that can shift within the passages. Visibility varies between 10 and 30 metres. Maintaining neutral buoyancy is essential to avoid contact with sharp rock and reef surfaces. Guided tours are recommended to navigate the current patterns and the intricate layout of the swimthroughs effectively.