Zeca is a boat-accessible reef and wall site located in the Kvarner Gulf. The topography features a wall that descends from 10 metres to 45 metres, where it transitions into a significant drop-off. Divers experience mild currents and visibility ranging from 10 to 30 metres. Due to the depth and water temperatures between 12 and 17 degrees Celsius, this site is suited for intermediate divers who should use appropriate thermal protection. Thermoclines are common in the Adriatic Sea, causing temperature variations at different depths. Divers should exercise caution regarding sharp coral and rocks during boat entry and exit.

Misnjak, also known as Sanddüne, is a reef site located in the Kvarner Gulf near Cres and Lošinj. This site is characterised by shallow, calm waters, providing a suitable environment for newly certified divers to practice buoyancy and basic skills. Access is by boat only. Water temperatures fluctuate significantly throughout the year, ranging from 12C in March to 26C in August, requiring appropriate exposure protection for the season. Visibility and currents at this site are variable, so it is recommended to check local conditions before planning a dive. The reef supports a variety of local reef life.

The wreck of the Etnea lies off the coast of Unije near the small island Školjić. Divers typically begin at a depth of 5 metres, descending vertically along a reef to reach the wreck, which rests on its port side at a depth of 35 metres. The bow is buried in the sand, and the site reaches a maximum depth of 45 metres. Due to the depth and the overhead environment of the wreck, this site is suitable for advanced divers only. Boat access is required to reach the location. Conditions vary, with visibility ranging from 5 to 30 metres and mild currents present.

The Tihany is a wreck located in the Kvarner Gulf, resting at depths between 18 and 45 metres. This site is strictly for advanced divers, as the structure creates an overhead environment requiring specific wreck training and buoyancy control. Visibility typically ranges from 10 to 30 metres. Water temperatures are cool, fluctuating between 12 and 17 degrees Celsius, necessitating appropriate thermal protection. Access is exclusively by boat, and divers must be self-sufficient with a dive computer and surface marker buoy. The wreck provides a habitat for various reef fish and invertebrates common to the region.

The Luana is a wreck dive situated off the coast of Pula, Croatia, resting at depths between 42 and 49 metres. This site is strictly for advanced and technical divers due to the significant depth and the overhead environment of the wreck, which presents risks of entanglement. Visibility at the site varies from 10 to 30 metres. Access is exclusively by boat, and divers should be prepared for mild currents. Water temperatures fluctuate between 11 and 18 degrees Celsius, making a drysuit advisable for most of the year. Divers must possess appropriate wreck and technical diving certifications to manage the decompression requirements and potential hazards associated with this deep structure.

Kap Marlera near Pula offers a diverse underwater environment featuring a wall, reef, cave, and seagrass beds. The site is notable for the wreck of a fishing boat, which has developed significant marine growth. Divers typically experience depths of 28 metres, making this a site for experienced divers despite the beginner-friendly rating. Access is exclusively by boat, located 6000 metres from the shore. Conditions include moderate currents and visibility ranging from 1 to 20 metres. Water temperatures fluctuate between 12C and 18C throughout the year. Due to the depth and potential for entanglement on the wreck, divers should exercise caution. Stonefish are a recorded hazard at this location.

Marneva is a reef dive located off the coast of Pula, Croatia. Accessible only by boat, the site features depths ranging from 10 to 25 metres and typically lacks significant currents, making it suitable for beginner divers. Visibility at the site varies between 10 and 30 metres. Water temperatures fluctuate between 12 and 20 degrees Celsius throughout the year, requiring appropriate thermal protection such as a 5mm wetsuit or drysuit during cooler months. Species recorded around this area include wrasses, scorpionfish, conger eels, and various nudibranchs, alongside occasional sightings of seahorses and common octopus.

The Cesare Rosarol is a deep wreck located off the coast of Pula, Croatia, resting at depths between 45 and 49 metres. This site is strictly for advanced divers due to the significant depth, decompression requirements, and potential for strong currents. Visibility at the site typically ranges from 5 to 15 metres. Water temperatures are cold, fluctuating between 11 and 18 degrees Celsius, necessitating appropriate thermal protection. Divers must be prepared for an overhead environment with entanglement risks and the effects of nitrogen narcosis. Access to the wreck requires a boat charter, and careful planning of bottom time and gas supply is essential for safety.