Achai Caves on the west coast of Paxos Island consist of a trio of marine caves. The second cave features a partially collapsed roof that allows sunlight to penetrate the water, while the third cave contains a small internal beach. Access to this site requires a boat. Divers and snorkellers can expect visibility between 20 and 30 metres. The site is suited for advanced divers due to the overhead environment, with depths ranging from 15 to 28 metres. Species recorded around this area include European Parrotfish, Turkish Wrasse, Castagnole, and Long-spined Sea Urchin. Water temperatures fluctuate between 15C and 21C throughout the year.

Vassilis Cavern is a boat-access cave dive located 500 metres off the coast of Paxos Island. The site features a cavern environment with depths ranging from 15 to 25 metres, averaging 20 metres. Visibility is consistently 30 metres, allowing natural light to penetrate the shallower sections of the cave. As an overhead environment, this site requires careful monitoring of air supply, depth, and exit routes. Divers should carry a torch to illuminate the deeper reaches of the cavern. The site is suitable for intermediate divers who are comfortable with overhead environments. Facilities including air fills, showers, and changing rooms are available at the local dive shop.

Arch of the Temple is a reef and cave site located 1000 metres off the coast of Paxos Island. The site is defined by a distinctive geological arch formation. Divers typically explore at depths between 15 and 20 metres, with an average depth of 18 metres. Visibility is consistently 30 metres. The site is accessed by boat and is suited for intermediate divers. Hazards include sea urchins on rock faces and sharp rock surfaces within the cave. Maintaining careful buoyancy is necessary to avoid contact with the cave walls. Guided tours are available to assist with navigation through the cave sections.

Alexanders Cave is a boat-access dive site located off Paxos Island in the Ionian Islands. The site features a cave environment with depths ranging from 15 to 30 metres, averaging 22 metres. It is suited for intermediate divers looking to gain experience in overhead environments. Conditions are generally manageable with mild currents and visibility between 15 and 30 metres. Divers should carry a primary dive light and a backup torch to explore the cave interior. As facilities vary, confirm boat operator availability and gear rental options on Paxos Island before planning your trip. Typical dives at this location last approximately 45 minutes.

Planoi Beach Arches, located on the northwest tip of Paxos Island near the lighthouse, features rugged rock formations and a series of small arches and swim-throughs. This reef site is accessible from the shore and is suited for intermediate divers due to the presence of strong currents and surf. Depths range from 7 to 30 metres, with an average depth of 18 metres. Visibility varies between 10 and 30 metres, and water temperatures fluctuate from 15C to 21C throughout the year. Typical dives last approximately 45 minutes. The site is also suitable for snorkelling, holding a rating of 4 out of 5.

Marmari Beach is a shore-entry reef site located in Turkey, near the town of Marmaris. The site features a rocky topography with a notable shallow underwater arch situated approximately 300 metres from the shore. Depths range from 1 to 10 metres, with an average depth of 5 metres. Conditions are generally mild, with currents described as mild, making this location suitable for beginners. Water temperatures fluctuate throughout the year, ranging from 16C in the cooler months to 26C in August. The site is well-suited for both diving and snorkelling, with a snorkelling rating of 4 out of 5.

Komeno Beach Cave is a coastal site located 250 metres from the shore near Paxos Island. This site features an open sea cave and reef topography, suitable for intermediate snorkellers. Access is via the shore, though the cave should only be entered during calm sea conditions due to the overhead environment and potential surf. Water temperatures range from 16C to 27C throughout the year. Species recorded around this area include European Parrotfish, wrasses, Turkish Wrasse, Castagnole, bream, Long-spined Sea Urchin, Wide Eyed Flounder, Needlefish, Mediterranean Cardinalfish, Hermit Crab, Purple Sea Star, Striped Red Mullet, Rabbitfish, and the Fangtooth Moray.

Ortholithos Rock is a massive vertical rock formation situated off the west coast of Paxos Island. This reef site is accessed by boat and is suitable for intermediate divers due to the deep water and overhead environment of the nearby sea cave. Visibility typically ranges from 10 to 25 metres, with moderate currents. Water temperatures fluctuate between 16C and 27C throughout the year. Species recorded around this area include European Parrotfish, wrasses, Turkish Wrasse, Castagnole, bream, White Seabream, Fangtooth Moray, Long-spined Sea Urchin, Hermit Crab, Needlefish, Goatfish, Mediterranean Cardinalfish, Purple Sea Star, and Wide Eyed Flounder.