Kournonisi, located off Naxos, features a combination of reef topography and cavern exploration. The site reaches depths of 40 metres, though shallower sections remain accessible for less experienced divers. Visibility typically ranges between 10 and 30 metres, with minimal current aiding navigation. The cavern provides an overhead environment, requiring careful air management and guide supervision. Divers should be aware of surge and the presence of sharp sea urchins on the reef. Access is exclusively by boat, situated 1000 metres from the shore. Facilities including air fills and boat charters are available through local operators.

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.

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.

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.

Molos Beach on the east coast of Paros features a combination of reef and seagrass habitats. The site is primarily accessed from the shore, with a rocky coastline extending approximately 200 metres from the north end of the bay. Depths are shallow, ranging from 1 to 2 metres, making it well-suited for beginners and snorkellers. Visibility typically spans 10 to 25 metres, though divers should remain aware of boat traffic in the area. Water temperatures fluctuate between 17C and 25C throughout the year. Facilities including a cafe and a dive shop are available nearby.

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.

Grotta Beach in Naxos offers a unique snorkelling experience where the remains of a submerged Mycenaean city lie just offshore. Snorkellers can observe ancient wall foundations and building blocks resting in shallow water, typically between 1 and 5 metres deep. The site consists of both natural reef and artificial reef elements. Entry is from the shore, though conditions can vary with moderate currents and occasional surf. Visibility ranges from 5 to 30 metres. Species recorded around this area include Mediterranean moray, great barracuda, common octopus, Turkish wrasse, and various sea bream. Hazards include sea urchins, sharp coral, and surf. Parking is available nearby.

Graviera is a reef and cave site located 1500 metres off the coast of Naxos, Greece. The site features a depth range of 8 to 18 metres, with an average depth of 15 metres. Divers typically experience mild currents and visibility ranging from 10 to 25 metres. Access to this site is by boat only, and it is suitable for beginner divers. Water temperatures fluctuate throughout the year, ranging from 17C in the winter months to 24C during late summer. The topography consists of reef structures and caves, providing a varied underwater environment for exploration.