Samos Katergo features a combination of reef and cave topography suitable for intermediate divers. Located in Greece, the site offers depths between 20 and 30 metres with visibility ranging from 15 to 30 metres. Divers can expect mild currents, allowing for a relaxed exploration of the underwater landscape. Both boat and shore entries are available, providing flexibility for access. The site supports a variety of Mediterranean reef fish and invertebrates typical of the region. Water temperatures fluctuate between 17C and 22C throughout the year. Night diving is permitted at this location, with typical dives lasting approximately 45 minutes.

Samos Limnionas Underwater Tunnel is a natural cave system featuring a distinct overhead environment. The site offers both shore and boat access, with depths ranging from 10 to 30 metres. Visibility varies between 10 and 30 metres. While currents are generally mild, they can strengthen, and divers should be aware of boat traffic near the entry point. As an overhead environment, the tunnel requires careful air management and navigation. Facilities at the site include parking, showers, toilets, changing rooms, and a cafe. The site is suitable for beginners, though those with less experience should remain in the shallower sections of the reef and cave entrance.

Samos Mertziki in the Dodecanese, Greece, features a combination of reef and wreck topography. The site ranges from 10 to 40 metres in depth, with an average of 25 metres. Access is by boat only, located 1750 metres from the shore. Divers should be prepared for moderate currents and visibility between 5 and 20 metres. Due to active boat traffic, divers must surface directly next to their vessel and use a surface marker buoy. The site is suitable for beginners, though guided tours are recommended to navigate the current and conditions effectively. The habitat supports various Mediterranean reef fish and invertebrates.

Samos Beerocks is a reef site in Greece offering depths between 10 and 40 metres. Accessible by both boat and shore, the site features a reef structure that allows intermediate divers to explore at varying depths. Visibility typically ranges from 10 to 30 metres, and the site is generally free of currents. Divers should exercise caution regarding sharp coral edges and sea urchins found in crevices. When surfacing, particularly near shore entry and exit points, remain vigilant for boat traffic and signal your position clearly. Air fills, equipment rental, and guided tours are available for those visiting the site.

Klima in the Dodecanese features a diverse underwater topography including a wall, reef, and artificial reef structures. The wall extends from 19 metres to 30 metres, with the site reaching a maximum depth of 40 metres and an average depth of 25 metres. Notable features include an old anchor located at 25 metres and an old cannon at 12 metres, surrounded by ancient artefacts. Suitable for advanced divers, the site offers both shore and boat access. Conditions are generally stable with mild currents and visibility ranging between 15 and 20 metres. Water temperatures fluctuate between 17C and 20C throughout the year.

Kerveli reef in the Dodecanese, Greece, offers a diverse underwater landscape featuring a reef, wall, cave, and cavern. Divers can explore depths between 10 and 30 metres, with an average depth of 20 metres. The site is suitable for beginners, with mild currents and visibility reaching 30 metres. Entry is possible from both the shore and boat. The area supports a variety of Mediterranean reef fish and invertebrates. Divers should be aware of lionfish, which are present throughout the site, including within the cave and cavern sections. Maintain a safe distance from these fish to avoid their painful spines. On-site facilities include a dive shop, equipment rental, air fills, parking, and a cafe.

Panagias Wall is a vertical drop-off located in the Dodecanese, Greece, suitable for intermediate divers. The wall descends from 20 to 40 metres, requiring careful monitoring of depth during the dive. Access is exclusively by boat, and the site features a mild current that facilitates a gentle drift along the rock face. Visibility at the site varies between 10 and 30 metres depending on prevailing conditions. As there are no fixed facilities at this location, divers should confirm all equipment and air fill requirements with their boat operator prior to departure.

Samos Heart Rock offers a diverse underwater environment combining a reef, a wall, and a cave in a single boat dive. The site features depths ranging from 15 to 40 metres, requiring an Advanced Open Water certification for access. Divers can expect visibility of 30 metres, which assists in navigating the wall profile and cave entrance. Currents are generally mild, making the site suitable for intermediate divers comfortable with depth. Night diving is available and recommended to experience the changing character of the cave and wall structures. Boat access is required for all dives at this location.