Achata Cave is a diverse site featuring a cave, cavern, reef, and wall topography located 50 metres from the shore of Karpathos, Greece. The site offers depths ranging from 10 to 36 metres, with an average depth of 15 metres. Divers and snorkellers can access the site by boat or from the shore. Conditions include mild currents and visibility between 10 and 30 metres. The underwater environment includes a pebble-bottomed bay and cliffs. Hazards to note include the overhead environment, sea urchins, and lionfish. Species recorded around this area include Indian Lionfish, Turkish Wrasse, European Parrotfish, Castagnole, White Seabream, Bluespotted Cornetfish, Wide Eyed Flounder, Madeira Rockfish, Long-spined Sea Urchin, Salema Porgy, Rockpool Prawn, and Boga.

Achata Arch is a distinctive site off Karpathos Island, Greece, defined by a natural arch formation that serves as the centrepiece for wall and cave exploration. Divers can navigate through the passage, with depths ranging from 15 to 30 metres and an average depth of 22 metres. The site features wall structures that drop into deeper water, with visibility typically between 15 and 40 metres. Conditions are generally manageable with mild currents. Both shore and boat entries are possible, and the site is suited for intermediate divers. Earlier in the day provides optimal light penetration through the arch, enhancing the visual experience of the cave section.

Kato Lakkos Beach on Karpathos offers a combination of reef and cave topography. The northern end of the site features a sea cave where a freshwater spring enters the ocean, which can influence local visibility. Accessible by boat or a steep hike, the site is suitable for intermediate divers and snorkellers. Conditions include mild currents and water temperatures ranging from 17C to 26C throughout the year. Night diving is permitted at this location. Divers should be aware of sea urchins in the area. Species recorded around this area include Indian Lionfish, European Parrotfish, Turkish Wrasse, Castagnole, White Seabream, Bluespotted Cornetfish, Wide Eyed Flounder, Madeira Rockfish, Salema Porgy, Rockpool Prawn, and Boga.

Kyra Panagia Beach on Karpathos is a bay featuring a red-domed church overlooking the water. Snorkelling is best conducted along the vertical cliffs on either side of the beach, where small cavities are present in the rock face. The site offers shore access and is suitable for beginners, with depths ranging from 1 to 6 metres and an average depth of 3 metres. Visibility typically varies between 10 and 25 metres, and currents are generally mild. Facilities at the beach include parking, toilets, showers, changing rooms, and a cafe. Divers and snorkellers should remain aware of boat traffic in the area.

Saint Petros Cathedral is a reef and cave site located 1000 metres off the coast of Karpathos, Greece. Divers typically explore the area at depths ranging from 6 to 20 metres, with an average depth of 13 metres. The site is accessible only by boat and features mild currents. Visibility is generally good, ranging between 20 and 25 metres. The site is suitable for beginner divers, with typical dive times lasting around 50 minutes. Divers should be aware of sharp coral present at the site. Water temperatures fluctuate throughout the year, ranging from 17C in the winter months to 25C in August.

Swallow Cave is a marine cave site located off Karpathos Island, Greece. The site features depths ranging from 10 to 15 metres, with an average depth of 12 metres, making it suitable for beginner divers. Access is by boat only. Divers can expect mild currents and visibility between 10 and 30 metres. While natural light often illuminates the cave interior, carrying a torch is recommended to observe details within the shadows during the 40-minute average dive. The site is also accessible for night diving. Water temperatures fluctuate throughout the year, ranging from 17C in winter to 25C in late summer.

Apella Beach on Karpathos features a rocky reef environment set against pine-covered cliffs. The seabed drops off quickly from the shore, reaching depths between 2 and 18 metres with an average depth of 9 metres. Visibility typically ranges from 10 to 25 metres, and currents are generally mild. The site is accessible by both boat and shore, making it suitable for intermediate divers and snorkellers. Species recorded around this area include European Parrotfish, Indian Lionfish, and various wrasse and seabream. Facilities at the beach include parking, toilets, showers, changing rooms, and a cafe.

Amoopi in Karpathos, Greece, is a versatile site featuring a reef, canyon, wall, and cave system. Suitable for beginners, the site offers depths ranging from 1m to 23m with an average of 12m. Shore access is available, and the site is well-equipped with parking, a cafe, toilets, showers, changing rooms, and a rinse station. Visibility varies between 5m and 30m, and water temperatures fluctuate from 17C to 24C throughout the year. Divers and snorkellers should be aware of boat traffic, sea urchins, and sharp coral in the area. Dive shops and boat charters are available nearby to facilitate guided tours.