San Giovanni features a diverse underwater topography consisting of reef, wall, and cave formations located 500 metres off the coast of Rovinj and Poreč. The site reaches depths of 20 metres with an average depth of 12 metres, making it suitable for beginner divers. Access is exclusively by boat. While currents are generally mild, they can become strong, requiring careful monitoring of conditions before entry. Divers should remain close to the wall if the flow increases. As facilities are not available on site, all necessary equipment must be brought aboard the support vessel. Water temperatures fluctuate between 11C and 21C throughout the year.

Two Sisters is a shallow wall and cave site located off the coast of Rovinj and Poreč. The site features a wall and cave system at depths between 5 and 8 metres, with an average depth of 7 metres. Conditions are generally manageable with mild currents and visibility ranging from 10 to 25 metres. This site is suitable for beginner divers, with typical dives lasting around 30 minutes. Access is by boat only. Divers should remain aware of boat traffic when surfacing and during safety stops. Water temperatures fluctuate seasonally between 11 and 25 degrees Celsius.

Sveti Ivan is a marine reef and artificial reef site located 6000 metres from the shore near Rovinj and Poreč. Divers can explore depths ranging from 5 to 25 metres, with an average depth of 10 metres. The site is accessible only by boat and is suitable for beginners. Conditions include moderate currents and visibility between 5 and 20 metres. Water temperatures fluctuate throughout the year, ranging from 11C in the winter months to 20C in October. Typical dives at this location last approximately 50 minutes. Divers should be aware of potential hazards including boat traffic, jellyfish, and strong currents.

Sv Nikol is a reef dive located off the coast of Rovinj and Poreč, Croatia. The site features a reef structure ranging from 3 to 18 metres in depth, with an average depth of 15 metres. Access is by boat only, and the site is suitable for beginners due to the mild current. Divers should note the presence of an overhead environment, including a cave and swim-through areas, which require appropriate training to enter. Visibility is approximately 5 metres, making a torch useful for exploring the reef. Species recorded around this area include wrasses, two-banded seabream, scorpionfish, and various crustaceans and nudibranchs.

Istria Shore Dive, located off the coast of Rovinj and Poreč, offers a accessible reef environment suitable for divers building their skills. The site features a reef structure extending from 5 to 25 metres, with an average depth of 15 metres. Divers can expect mild currents and visibility ranging from 5 to 25 metres depending on conditions. As water temperatures fluctuate between 11 and 20 degrees Celsius throughout the year, a 7 mm wetsuit or drysuit is recommended outside of the summer months. This shore-entry site is diveable year-round, though divers should confirm local facilities before arrival as they are not guaranteed on-site.

Sturag is a reef and canyon dive site located off the coast of Rovinj and Poreč, Croatia. The site features a depth range of 2 to 18 metres, with an average depth of 10 metres, making it suitable for beginner divers. Access to the site is by boat only. Divers can expect mild currents, though strong currents may occur, and visibility typically ranges between 10 and 25 metres. A standard dive at this location lasts approximately 40 minutes. Water temperatures fluctuate throughout the year, ranging from 11C in the winter months to 21C in August.

Insel Faro is a demanding boat dive located off the coast of Rovinj and Poreč, Croatia. The site features a complex topography of reefs, walls, and caves that descend to a maximum depth of 43 metres. Due to the significant depth and regular strong currents, this site is suitable only for advanced divers. Divers must be prepared for negative entries and effective drift management. Water temperatures are cool, ranging from 11C to 18C, making thick wetsuits or drysuits advisable. Species recorded around this area include wrasses, two-banded seabream, scorpionfish, and various crustaceans. Monitor air consumption closely throughout the dive, as conditions can vary significantly.

Pirusi is a reef site located off the coast of Rovinj and Poreč, Croatia. Accessible only by boat, the reef structure extends from 5 metres to a maximum depth of 27 metres, with an average depth of 16 metres. The site features mild currents and visibility ranging from 10 to 30 metres, making it suitable for beginners. Divers frequently encounter wrasses, two-banded seabream, tompot blennies, and various bream species. Less common sightings include scorpionfish, peacock blennies, striped red mullet, painted comber, white seabream, hermit crabs, tube worms, castagnole, and compass jellyfish. Exercise caution around sharp coral and rocks throughout the reef area, particularly during boat entry and exit.