Sithonia in Halkidiki offers a diverse underwater landscape featuring a combination of reef, wall, cave, and artificial reef structures. Suitable for intermediate divers, the site ranges in depth from 3 to 45 metres with an average of 20 metres. Divers experience mild currents and visibility between 10 and 30 metres. Access is via a shore entry, though divers must navigate a surf break at the shoreline. The site is well-equipped with facilities including parking, showers, changing rooms, and a rinse station. Night diving is permitted, and the site is accessible for full-day trips with on-site air fills and equipment rental available.

Akti Kalogrias in Halkidiki offers a versatile reef environment suitable for all skill levels, including beginners. Divers can explore depths ranging from 3 to 40 metres, with an average depth of 3 metres. Access is via a shore entry, with the reef located approximately 200 metres from the beach. Conditions are generally mild, with visibility ranging between 10 and 30 metres. The site is well-supported by local facilities, including parking, toilets, showers, changing rooms, a cafe, and a dive shop. Night diving is also available at this location. Divers should remain aware of boat traffic and the presence of sea urchins in the area.

Chrousso is a reef site located in Halkidiki, Greece, suitable for beginner divers. The site features a consistent depth of approximately 7 metres, making it an accessible location for those developing their skills. Access to the site is exclusively by boat. Underwater conditions are variable, with visibility ranging from 5 to 20 metres and currents typically remaining mild. Divers should be aware of potential hazards, including boat traffic in the area, as well as the presence of sea urchins and sharp coral on the reef structure. Typical dives at this location last around 45 minutes.

Kelyfos Island, often called Turtle Island due to its shape, is an uninhabited site in Halkidiki featuring a variety of reefs, vertical walls, and caves. Accessible only by boat, the site offers depths ranging from 2 to 60 metres with an average of 20 metres. Conditions vary, with visibility between 5 and 30 metres and mild currents. The site is suitable for beginners and provides a 5/5 rating for snorkelling. Divers should be aware of boat traffic in the area. Water temperatures fluctuate between 13 and 19 degrees Celsius throughout the year.

Dias is a large reef site located 2000 metres off the coast of Halkidiki, Greece. The topography features impressive rock formations, large walls, and caves, offering a varied seascape for intermediate divers. The site supports multilevel dives ranging from 5 metres to 40 metres, with an average depth of 25 metres. Access is by boat only. Visibility typically ranges between 10 and 30 metres, with mild currents present. Water temperatures fluctuate between 13C and 20C throughout the year. The site is suitable for night diving, with typical dive durations around 50 minutes. Divers should be aware of sea urchins and sharp coral in the area.

Armenistis Bay offers a varied shore dive featuring a reef that descends from 5 metres to 42 metres, with an average depth of 25 metres. The site includes a cave, providing additional topography to explore. Visibility typically ranges between 15 and 20 metres, with moderate currents present. Entry is via the shore, where divers should navigate the surf and shore break with care. The site is suitable for beginners and supports night diving. Species recorded around this area include wrasses, white seabream, bream, fried egg jellyfish, mauve stinger, sea stars, crabs, and snails. A cafe is available on-site for post-dive refreshments.

Kelifos Island in Halkidiki offers a diverse underwater landscape featuring walls, reefs, and caves. The site is accessible only by boat and is suited for intermediate divers due to the potential for deep dives. Depths range from 3 to 60 metres, with an average depth of 20 metres. Conditions are variable, with visibility ranging between 5 and 30 metres and mild currents. Water temperatures fluctuate between 13C and 19C throughout the year. Typical dives at this location last approximately 50 minutes. Boat charters and guided tours are available to facilitate access to the site.

Petalo 1 is a reef site located on the northwest side of Amouliani. The topography features a seabed that begins at 3 metres and slopes gradually to a maximum depth of 45 metres, with an average depth of 25 metres. The underwater landscape is characterised by horseshoe-shaped rock formations that resemble an ancient theatre. Divers access this site by boat. Conditions include mild currents and visibility ranging from 10 to 25 metres. Water temperatures fluctuate between 13C and 19C throughout the year. The site is suitable for beginners and offers a typical dive duration of 50 minutes. Divers should be aware of sharp coral present at the site.