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.

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.

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 Ancient Port in Halkidiki is a marine site featuring the remains of an ancient port and unique geological formations. The topography includes a distinctive furrow rock formation that extends from the shallows into deeper water. Divers can explore depths reaching 40 metres, while snorkellers may find the site accessible with a rating of 3/5. Conditions are variable, with visibility reaching up to 30 metres and water temperatures ranging between 14C and 20C. Entry is via the shore, though divers should be aware of moderate to strong currents in the area. This site is best suited for intermediate divers due to the potential for current.

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.

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.

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.

White Rock in Halkidiki, Greece, is a shallow reef site suitable for beginner divers. The site features a consistent depth of 6 metres, making it an accessible location for shorter dives averaging 30 minutes. Entry is via the shore. Divers can expect mild currents and visibility ranging between 25 and 30 metres. Water temperatures fluctuate throughout the year, reaching a high of 27C in July and August and dropping to 15C during the winter months. As a shallow reef environment, the site offers a straightforward underwater experience for those looking to practice buoyancy or enjoy a relaxed dive in the Aegean Sea.