Velika Kolombarica Cave, located at the southernmost tip of Istria near Pula, is a distinctive sea cave featuring a heart-shaped opening. The site includes a 15-metre underwater tunnel and a reef environment. Snorkellers can explore depths ranging from 3 to 18 metres, with an average depth of 5 metres. Access is via the shore. Due to strong currents, this site is suitable for advanced snorkellers. Water temperatures fluctuate significantly throughout the year, ranging from 12C in late winter to 26C in August. The cave interior is illuminated by sunlight filtering through the roof, providing visibility within the cavern structure.

Kolumbariče, located near Pula, Croatia, is a marine site featuring a combination of reef and cave topography. Divers can explore depths ranging from 8 to 18 metres, with some cave sections as shallow as 3 to 8 metres. Access to the site is by boat, situated 3500 metres from the shore. Conditions include moderate currents and visibility that can reach up to 30 metres. Marine life recorded at the site includes wrasses, crabs, bream, two-banded seabream, painted comber, and sea stars. Less frequently, divers may encounter flying gurnard, scorpionfish, cow snails, cratena slugs, white seabream, tompot blenny, castagnole, and yellow zoanthid. The site is suitable for intermediate divers.

Safari Reef Istria is a boat-accessible dive site located near Pula, Croatia. The underwater topography consists of a varied landscape of walls, caves, and canyons reaching depths of up to 20 metres. Conditions are generally manageable with mild currents, making the site suitable for beginner divers. Water temperatures fluctuate throughout the year, ranging from 12 degrees Celsius in the winter months to 21 degrees Celsius in September. Divers should be prepared for cold-water conditions during the winter season by using appropriate thermal protection such as a drysuit or a thick wetsuit.

Wreck VIS is an artificial reef located 250 metres off the coast of Pula, Croatia. Resting at depths between 25 and 33 metres, this site is suited for intermediate divers with strong buoyancy control. The wreck features structural voids and swim-throughs, presenting potential entanglement risks and overhead environments that require careful navigation. Visibility typically ranges from 5 to 10 metres, and mild currents are common. Due to the significant depth and technical nature of the structure, guided boat charters are recommended. Water temperatures fluctuate between 11 and 18 degrees Celsius, necessitating appropriate thermal protection such as a drysuit or a thick wetsuit outside of the summer season.

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.

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.

Uvala Polje - Zid is a wall and cave dive site located near Pula, Croatia. The topography features a wall that descends from 10 to 29 metres, offering a varied underwater landscape for divers. Access to this site is exclusively by boat. The current is generally mild, making the site suitable for beginner divers, although visibility can vary depending on the day. Divers should be prepared for water temperatures ranging from 11 to 19 degrees Celsius, necessitating an appropriate wetsuit. As facilities are not guaranteed at the site, it is recommended to confirm all logistics with a local charter boat operator before departure.

The Vis wreck is a deep-water site located 250 metres from the shore near Pula. The structure lies at depths between 20 and 40 metres, with an average depth of 32 metres. Access is strictly by boat. Divers encounter mild currents and visibility ranging from 10 to 40 metres. Due to the significant depth and overhead environment, this site is reserved for advanced divers with wreck penetration experience. Water temperatures fluctuate between 11C and 18C, with cold upwellings possible at depth. Divers should monitor decompression limits closely and use appropriate thermal protection, such as a drysuit or a thick 7mm wetsuit, particularly during colder months.