Tsarevo lighthouse is an artificial reef located off the coast of Tsarevo, Bulgaria. The site features a structure resting at an average depth of 11 metres, with a total depth range of 10 to 12 metres. It is accessible via a shore entry, though divers should exercise caution due to the shore break and potential surf. Conditions include moderate currents and visibility ranging from 5 to 10 metres. The site is suitable for beginners and supports both day and night diving. Facilities including air fills, showers, and toilets are available on-site. Divers should remain vigilant regarding boat traffic and the presence of jellyfish in the water.

Varvara is a cave dive located 100 metres off the coast of Tsarevo, Bulgaria. The site features a cave structure at depths ranging from 15 to 20 metres, with an average depth of 17 metres. Divers should expect visibility between 5 and 10 metres and mild currents. Due to the presence of rip currents and surf, boat entry is required; shore entry is not recommended. A dive torch is necessary for exploring the cave interior. The habitat supports various temperate marine life, including reef fish and invertebrates. Water temperatures fluctuate significantly throughout the year, ranging from 8C in winter to 23C in August.

Crocodile Area in Sozopol, Bulgaria, offers a shore dive featuring both natural and artificial reef structures. Divers can explore depths ranging from 6 to 20 metres, with an average depth of 12 metres. The site is suitable for beginners, with shallower sections ideal for buoyancy practice and a reef slope reaching 20 metres. Visibility varies between 5 and 20 metres, and currents are generally mild. Divers should be cautious of sharp rocks and surf at the entry point. Facilities including parking, showers, and air fills are available on-site. Water temperatures fluctuate significantly throughout the year, ranging from 8C in winter to 22C in late summer.

The Rodina is a deliberately sunk wreck located 30 metres off the coast of Sozopol, Bulgaria. Resting on the seabed at depths between 18 and 43 metres, this artificial reef is suited for intermediate divers. The site requires boat access and is subject to moderate currents that can shift quickly at depth. Visibility varies significantly, ranging from 5 to 20 metres. Water temperatures fluctuate between 8 and 22 degrees Celsius, necessitating a thick wetsuit or drysuit outside the summer months. Due to the depth and potential for entanglement, divers should maintain good buoyancy control and consider guided tours to navigate the structure safely.

The Sanni is a shipwreck located near Tsarevo, Bulgaria, that serves as an artificial reef. Following a 2002 incident where the cargo ship broke apart, approximately 40% of the wreckage, including the engine, remains on the seabed. This site is suitable for beginners, with depths ranging from 3 to 10 metres and an average depth of 8 metres. Access is via a shore entry. Divers should be aware of potential hazards including entanglement within the wreckage and surf conditions. Visibility at the site fluctuates between 5 and 20 metres, and currents are generally mild. The habitat supports various reef fish and invertebrates typical of the region.

Seahorse Alley and Lagoon in Sozopol is a shallow reef site suitable for beginner divers. The site features a maximum depth of 7 metres with an average depth of 4 metres. Divers access the water directly from the shore, with the beach entry at Harmanni beach recommended for comfort and safety. Conditions are generally mild, though visibility fluctuates between 5 and 20 metres. Divers should remain aware of boat traffic in the area and exercise caution on slippery rocks when entering or exiting the water. Air fills and equipment rental are available locally to support dives at this location.

St Ivan Island, located off the coast of Sozopol, offers a diverse underwater environment featuring natural reefs, cavern sections, and an artificial reef structure. This boat-access site sits 1000 metres from shore with depths ranging from 15 to 20 metres. Divers should be prepared for variable visibility between 5 and 20 metres and mild currents that can develop rapidly. The site includes overhead environments within the caverns, requiring careful monitoring of positioning and gas supply. Water temperatures fluctuate significantly throughout the year, ranging from 8 to 22 degrees Celsius. Hazards include jellyfish, sea urchins, and potential entanglement, necessitating caution when navigating the seabed.

The Pioner is a 22.5-metre-long Bulgarian trawler deliberately sunk in 2008 to serve as an artificial reef. Located 1500 metres from the shore near Saint Ivan Island, the wreck rests at a maximum depth of 18 metres, with an average depth of 15 metres. This site is accessible only by boat and is suitable for beginners. Divers should be aware of potential hazards including entanglement, overhead environments, and sharp structures. Visibility at the site varies significantly, ranging from 3 to 25 metres, while currents remain mild. The wreck is sheltered from north-easterly winds, making it a consistent location for wreck diving.