Loutra in Halkidiki, Greece, is a diverse dive site featuring pinnacles, a reef, and a series of tunnels and caves. The site is defined by geothermal activity, where volcanic gases emitted from the seabed create a unique underwater landscape with pockets of warmer water. Divers can explore the reef on the left or the tunnels and caves on the right. With depths ranging from 2 to 30 metres and an average of 14 metres, the site is suitable for beginners. Shore access is available, and the area provides full facilities including air fills, equipment rental, and guided tours. Visibility typically ranges between 10 and 30 metres.

Puerto Valista in Halkidiki, Greece, offers a diverse underwater topography comprising reefs, walls, and caves, alongside an artificial reef. The site is accessible by both shore and boat, making it suitable for beginners. Depths range from 4 to 60 metres, with an average depth of 7 metres. Visibility typically fluctuates between 10 and 30 metres, and currents are generally mild. Water temperatures remain between 14C and 18C throughout the year. Divers should be aware of potential hazards including boat traffic, significant depths, and overhead environments. Local facilities provide air fills, equipment rental, and guided tours for visitors.

Avlaki is a wall and reef site located on the west side of the Kassandra peninsula in Halkidiki. The topography features a rock sloping massif that forms a distinct furrow, which divers follow as they descend. The seabed consists of alternating sand and rock formations. This shore-entry dive reaches depths between 30 and 50 metres, with an average depth of 33 metres. Conditions include moderate currents, though strong currents are a potential hazard. Visibility ranges from 10 to 30 metres. The site is suited for intermediate divers, with typical dive times around 50 minutes. Parking is available at the site.

Koursaros in Halkidiki, Greece, offers a varied underwater landscape featuring reef, wall, and drift diving. The site is suited for intermediate divers, with depths ranging from 20 to 60 metres. Divers enter from the shore to explore the wall structure, which requires precise buoyancy control to avoid contact with sharp coral and rocks. Visibility fluctuates between 10 and 30 metres, and currents are typically mild. Given the significant depth, divers should monitor their gauges closely and plan their profiles accordingly. Arriving early is recommended to experience calmer water conditions before the wind increases.

Chrousso Bay in Halkidiki offers a diverse underwater landscape featuring both reefs and walls. The site is accessible from the shore and is suitable for beginners, with depths ranging from 5 to 40 metres and an average depth of 15 metres. Divers can expect mild currents and visibility between 20 and 25 metres. The seabed morphology provides a varied environment for exploration. Facilities available at the site include parking, toilets, showers, and changing rooms. Divers should be aware of sea urchins in the area. Typical dives at this location last approximately 60 minutes.

Porto Valitsa in Halkidiki offers a diverse underwater landscape featuring a reef and wall system. Divers enter from the shore, beginning over a sandy path that transitions into a posidonia forest. The topography becomes increasingly rocky as depth increases, characterised by steps, large boulders, and overhangs. The site is suitable for beginners, with depths ranging from 4 to 60 metres and an average depth of 25 metres. Conditions are generally stable with mild currents and visibility between 10 and 30 metres. Water temperatures remain between 14C and 18C throughout the year. Facilities available at the site include parking, equipment rental, air fills, and guided tours.

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.

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.