Aghios Petros in Halkidiki offers a diverse underwater landscape featuring a reef, a wall, and a cave. Divers can explore these varied structures at depths between 15 and 18 metres, with an average depth of 23 metres. The site is accessible only by boat and is suitable for beginners. Visibility is excellent, reaching 30 metres, while currents remain mild. Divers should be aware of boat traffic and use a delayed surface marker buoy upon ascent. The cave section presents an overhead environment, requiring careful air monitoring. Caution is advised regarding sea urchins and sharp rocks when navigating the reef.

Votsi Wall is a marine wall dive in Greece that descends from 5 metres to 40 metres. The site features a clear rock face with visibility ranging from 15 to 30 metres. Due to the mild currents, it is suitable for beginner divers, though careful monitoring of depth gauges is required to remain within certified limits. Access is exclusively by boat. Divers should be aware of regular boat traffic above the site and are advised to deploy a surface marker buoy during ascent. Facilities available nearby include equipment rental, air fills, and guided tours.

Rousoum Beach is a boat-access reef dive located off the coast of Greece. The site features depths ranging from the shallows down to 20 metres, making it suitable for beginner divers. Conditions are generally calm with mild currents and visibility ranging between 15 and 40 metres. Water temperatures fluctuate between 15C and 25C throughout the year, with a thermocline present below 22 metres. Divers should be aware of boat traffic in the area and are advised to deploy a surface marker buoy before ascending. The site is also available for night diving, with typical dive durations of 45 minutes.

Mikros Mourtias Beach is a reef site in Greece suitable for beginners and snorkellers. The reef structure lies at depths between 10 and 20 metres, with an average depth of 12 metres. Divers and snorkellers experience visibility ranging from 15 to 25 metres and mild currents. Entry is possible from both the shore and by boat. Hazards include boat traffic, deep water, entanglement risks, jellyfish, sea urchins, and sharp rocks. Visitors should shuffle their feet when entering to avoid sea urchins and remain aware of surface boat traffic. Typical dives last approximately 45 minutes. Early morning visits are recommended for calmer water conditions.

Mourtias Reef features a combination of shallow reef and vertical wall topography. The reef begins at 6 metres, providing a comfortable environment for beginners, before the wall descends to a maximum depth of 30 metres. Divers can expect visibility between 20 and 25 metres and mild currents. Access to this site is by boat only. Due to the significant depth of the wall, divers should monitor their depth gauges closely. The site is home to a variety of marine life, including octopus, scorpionfish, snowflake morays, yellowtail damselfish, wrasse, nudibranchs, sea bream, and honeycomb grouper.

Blue Cave in Halkidiki is a cave and cavern system featuring wall topography that descends from 15 to 30 metres. This site is suited to advanced divers experienced in overhead environments. Access is exclusively by boat, and divers should expect mild currents and visibility ranging from 15 to 30 metres. Due to the nature of the cave, light levels drop significantly, making primary and backup torches essential equipment. Divers must maintain solid buoyancy control throughout the dive. Conditions are variable, and boat availability should be confirmed with local operators prior to planning a visit.

Gorgonian Gardens is a deep reef and wall site in Greece, characterised by large gorgonian sea fans colonising the structure between 30 and 35 metres. The site requires boat access and is suited for advanced divers due to strong, variable currents and depths averaging 40 metres. Visibility typically ranges from 20 to 30 metres, providing clear sightlines along the wall face. Divers must monitor computers closely due to limited bottom time at these depths and maintain active buoyancy management. The wall provides a reference point and wind break against the current. Water temperatures fluctuate throughout the year, ranging from 15C in late winter to 23C in September.

Agios Georgios Wall is a vertical drop-off that descends from 6 metres to 40 metres, featuring a reef structure and a prominent pinnacle. Located 5500 metres from shore, this site requires boat access and is suited for advanced divers due to the depth and potential for current shifts. Visibility typically ranges between 20 and 30 metres, allowing for clear observation of the wall profile. Divers should monitor their depth closely and use a delayed surface marker buoy to mitigate risks from overhead boat traffic. The site is best visited in the morning to avoid the busiest periods of recreational vessel activity.