Toroni Ancient Ruins offers a unique archaeological snorkeling experience in Halkidiki. Located 40 metres from the shore, the site features submerged ruins of the ancient Lecythus castle and harbour, where foundation stones and ancient walls remain visible. The site is suitable for beginners, with depths ranging from 3 to 40 metres and an average depth of 7 metres. Conditions are generally mild, with visibility varying between 3 and 30 metres. Shore access is straightforward, and the area is well-supported by local facilities including parking, showers, changing rooms, and equipment rental services. The water temperature fluctuates seasonally between 15C and 27C.

Nemesis is a reef dive site located off the coast of Halkidiki, Greece, accessible only by boat. The site features a significant depth range, extending from 15 metres down to 80 metres, with an average depth of 30 metres. Divers should be prepared for strong currents, which can vary, and visibility typically ranges between 10 and 30 metres. Due to the depth and current, this site is suited for intermediate divers. Water temperatures remain cool throughout the year, fluctuating between 14C and 18C. Night diving is permitted at this location. Divers are advised to consult with their boat operator regarding current conditions and to plan dives around slack water.

Kalamitsi in Halkidiki offers a diverse underwater landscape featuring a reef, wreck, wall, canyon, and cave system. Located 600 metres from shore, the site reaches depths between 5 and 30 metres with an average of 18 metres. Divers experience mild currents and visibility ranging from 15 to 40 metres. Both shore and boat entries are available, making the site accessible for beginners. On-site facilities include parking, toilets, showers, changing rooms, air fills, equipment rental, and a cafe. Night diving is permitted. Exercise caution around sharp coral and rocks during entry and exit, and avoid contact with reef structures to prevent injury.

Finger Reef in Halkidiki is a boat-access site suitable for beginner divers. The reef structure provides a clear point of reference, with depths ranging between 20 and 25 metres. Divers can expect mild currents and visibility typically between 10 and 30 metres. The site supports a variety of Mediterranean reef fish and invertebrates within its rocky topography. Water temperatures fluctuate throughout the year, ranging from 14C to 23C. Hazards at this location include jellyfish and sea urchins. Boat access is required to reach the site, and local operators provide information regarding equipment hire and departure schedules.

Stiladari, also known as Poseidon Beach, is a reef and wall site in Halkidiki, Greece, accessible only by boat. The site features a varied topography suitable for beginners, with depths ranging from 6 to 35 metres and an average depth of 20 metres. Divers can expect mild currents and visibility between 10 and 30 metres. Water temperatures fluctuate between 14C and 21C throughout the year. Species recorded around this area include wrasses, Turkish wrasse, giant doris, fried egg jellyfish, two-banded seabream, castagnole, painted comber, bream, mauve stinger, snails, and hard coral. Sea urchins are present as a hazard. Typical dives last 45 minutes, and facilities include a nearby cafe.

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.

Platanitsi is a shore-entry dive site in Halkidiki featuring a combination of reef and cave topography. Suitable for beginners, the site offers depths between 20 and 30 metres with mild currents. Visibility typically ranges from 10 to 30 metres. Divers should exercise caution regarding sea urchins and sharp surfaces when navigating the reef and rocky areas. Facilities at the location include parking, toilets, showers, and a cafe. A typical dive lasts 45 minutes. For optimal conditions, arrive early in the morning when the water is calmest and natural light best illuminates the cave entrance.

Kavourotripes, also known as Orange Beach, features a series of small rocky coves defined by dramatic rock formations and white sand. This site is suitable for beginners, offering a shallow reef environment with depths ranging from 1 to 10 metres, averaging 5 metres. Snorkellers can explore the intricate coastline and its various nooks and crannies. Access is via the shore, and conditions generally include mild currents and visibility between 5 and 25 metres. Facilities available at the site include parking, toilets, and a cafe. Be aware of potential hazards including sharp rock formations and surf conditions.