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.

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.

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.

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.

Crvene Stene in Pula, Croatia, features a diverse underwater topography consisting of a reef, wall, and cave system. Suitable for beginners, the site offers depths between 5 and 20 metres with an average of 10 metres. Visibility ranges from 10 to 30 metres, providing clear views of the wall and cave structures. The current is generally mild, allowing divers to focus on buoyancy control. Water temperatures fluctuate between 12 and 21 degrees Celsius throughout the year. Access to this site is by boat only. Divers should be aware of the presence of jellyfish and sea urchins in the area and take appropriate precautions.

Zelena Lanterna is a shore-entry reef and drop-off site located in Pula, Croatia. The reef structure extends from the surface to a maximum depth of 27 metres, where the seabed transitions into a vertical drop-off. This site is suitable for beginner divers, though it requires careful planning due to moderate to strong currents. Divers should time their entry for slack water and maintain close contact with the shore entry point. Water temperatures fluctuate between 12 and 20 degrees Celsius throughout the year, necessitating appropriate thermal protection. Always verify local conditions and facility availability before planning a dive at this location.

Bumbiste is a varied dive site off the coast of Pula, Croatia, featuring a combination of reef, wall, and drift topography. Divers can explore depths ranging from 3 to 33 metres, with an average depth of 20 metres. The site is suitable for intermediate divers and offers visibility between 10 and 30 metres. Currents are generally mild, allowing for manageable drift dives. Access is possible from both shore and boat. Water temperatures fluctuate between 11 and 18 degrees Celsius throughout the year. Species recorded around this area include wrasses, scorpionfish, conger eels, and various nudibranchs such as the Mediterranean violet aeolid.