Cathedral Cavern in Crete is a marine cave system featuring stalactites and stalagmites, evidence of its existence above water during Minoan times. The entrance lies at 14 metres, with the site reaching depths between 14 and 21 metres. Divers encounter a halocline effect and temperature fluctuations caused by freshwater pools within the cavern. Light beams penetrate the overhead environment, creating distinct visual effects. Access is by boat, located 500 metres from the shore. Conditions include mild currents and visibility ranging from 13 to 40 metres. Hazards include the overhead environment, low visibility, thermoclines, and the presence of lionfish. Species recorded around this area include Turkish Wrasse, European Parrotfish, and various crustaceans.

The Wall Dive in the bay of Kalathas, Crete, features a prominent wall formation that begins at a depth of 12 metres and descends to approximately 30 metres. The topography includes a distinct step at 12 metres and a long tunnel that opens into a ravine. This site is accessible only by boat and is suited for intermediate divers. Conditions are generally stable with mild currents and visibility ranging from 15 to 30 metres. Divers should be aware of boat traffic in the area and manage their depth accordingly during the typical 45-minute dive.

Agios Onoufrios in Crete offers a diverse underwater landscape featuring a reef, wall, and cavern system. Divers can expect depths ranging from 12 to 32 metres, with an average depth of 16 metres. Access is via a shore entry, making it suitable for beginners. Conditions are generally stable with mild currents and visibility typically between 20 and 40 metres. The site is also accessible for night diving, with an average dive duration of 46 minutes. Water temperatures fluctuate throughout the year, ranging from 16C in the winter months to 24C in September.

Maherida is a marine site in Crete, Greece, featuring a combination of reef and seagrass meadows. The site offers depths ranging from 2 to 21 metres, with an average depth of 14 metres. Access is exclusively by boat, and divers should remain aware of boat traffic in the area. Conditions are generally mild, with visibility extending between 13 and 40 metres. The site is suitable for beginners and provides a typical dive duration of 45 minutes. Water temperatures fluctuate throughout the year, ranging from 16C in the winter months to 25C in late summer.

Macherita is a reef site located in Crete, Greece, accessible only by boat. The site features a depth range typically between 12 and 21 metres, with an average depth of 14 metres. Conditions are generally suitable for beginner divers, characterised by mild currents and visibility ranging from 20 to 30 metres. Water temperatures fluctuate throughout the year, reaching a low of 16C in late winter and peaking at 25C during the late summer months. As a boat-based dive, it offers a consistent underwater environment for those exploring the local reef topography.

Vlamis Villas Stavros in Crete offers a combination of wall and reef diving accessible from both shore and boat. Located 10 metres from the shore, the site features depths ranging from 15 to 25 metres, with an average depth of 16 metres. Visibility at this location typically spans 10 to 30 metres. The site is suitable for intermediate divers and supports night diving. Facilities on site include parking, equipment rental, air fills, and a rinse station. Guided tours are available for those wishing to explore the wall sections. Typical dives last approximately 50 minutes, and the site remains accessible throughout the year.

The Airplane wreck at Kalami is a deep-water site located off the coast of Rethymno, Greece. Resting at depths between 24 and 40 metres, this wreck is accessible via a shore entry. The site features a combination of wreck, reef, and muck topography. Divers must be prepared for moderate currents and variable visibility ranging from 10 to 30 metres. Due to the depth and the overhead environment presented by the wreck structure, this site is strictly for advanced divers with appropriate training. Proper planning for decompression obligations and gas management is essential for this dive.

Karga Island is a boat-access reef located off the coast of Rethymno, Greece. The site features depths ranging from 5 to 12 metres, with an average depth of 5 metres, making it suitable for beginner divers. Visibility is consistent at 30 metres, and currents are generally mild. The site is accessible only by boat, and night diving is available for those interested in exploring the reef after dark. Typical dives last approximately 45 minutes. Water temperatures fluctuate throughout the year, ranging from 16C in February and March to 26C in August and September.