Skvaranska in Pula, Croatia, offers a varied underwater landscape featuring a combination of reef, wall, and cave formations. Divers can explore depths ranging from 15 to 35 metres, with an average depth of 25 metres. The site is suitable for intermediate divers, with mild currents that allow for a focus on buoyancy control. Visibility typically ranges from 10 to 25 metres. Water temperatures remain cool, fluctuating between 12 and 17 degrees Celsius throughout the year, necessitating a 7mm wetsuit or drysuit. Access is available via both shore and boat entries. Species recorded around this area include wrasses, scorpionfish, various nudibranchs, and crustaceans.

Crna Punta near Pula, Croatia, offers a diverse underwater landscape featuring a reef, a wall, and a cave. Suitable for beginners, the site ranges from 5 to 20 metres in depth with mild currents and visibility between 10 and 30 metres. Divers should maintain strict buoyancy control when navigating the overhead cave environment and are advised to carry a torch. Access is by boat only. Water temperatures fluctuate seasonally between 12 and 21 degrees Celsius. Species recorded around this area include scorpionfish, wrasses, various nudibranchs, slipper lobsters, and several species of seabream.

Secca Ubac is a shore-entry reef dive located off the coast of Pula, Croatia. The site features a reef structure that descends into deeper water, with depths ranging from 25 to 40 metres. Divers encounter mild currents and visibility typically between 5 and 10 metres. Due to the depth profile, the site is suitable for beginners who remain in the shallower sections, while the deeper areas are better suited for advanced divers. Water temperatures fluctuate between 11 and 18 degrees Celsius throughout the year, necessitating appropriate thermal protection such as a thick wetsuit or drysuit, particularly during cooler months.

Školjić Bay near Pula features a rugged landscape of rocky slabs and underwater canyons. The site is defined by its unique carved rock formations and two accessible underwater arches. With an average depth of 3 metres and a maximum of 6 metres, this shore-entry site is suited for intermediate divers and offers a high-quality snorkelling experience. Conditions are generally mild, though divers should be aware of sea urchins and sharp coral in the area. The site is well-supported by local facilities, including equipment rental, air fills, and guided tours, making it a practical location for exploring the Istrian coastline.

Metlikova on Krk Island is a wall and reef site featuring depths between 5 and 30 metres. The topography consists of a wall face that drops into the deeper sections, requiring intermediate skill levels to manage buoyancy and depth. Visibility at the site typically ranges from 10 to 30 metres. Access is exclusively by boat, and divers should monitor the mild current during descent. Water temperatures fluctuate between 12 and 18 degrees Celsius throughout the year. Species recorded around this area include wrasses, scorpionfish, various nudibranchs, and seabream, which inhabit the reef structure and surrounding water column.

Miracine, located on Krk Island, offers a combination of reef and cave diving across a depth range reaching 30 metres. Divers can expect visibility between 15 and 30 metres, with mild currents allowing for exploration of both shallow and deeper sections. Entry is from the shore, where caution is required due to potential surge and the presence of sharp rock and coral. Given the water temperatures ranging from 12 to 18 degrees Celsius, appropriate thermal protection is recommended. As there are no confirmed facilities on site, divers should arrive prepared with full tanks and all necessary equipment.

Plava Grota on Krk Island is a sea cave featuring a large underwater entrance and a smaller siphon. This structure creates a distinct blue light effect within the cavern. The site is suitable for intermediate divers and snorkellers, with depths ranging from 3 to 12 metres. Conditions include mild currents and visibility between 10 and 30 metres. Water temperatures fluctuate between 12C and 25C, with the interior of the cave typically feeling colder and more refreshing than the surrounding sea. Access is available via both shore and boat. Divers should be aware of potential hazards including boat traffic, cold water, and the overhead environment.

Nepotsnato Mjesto is a reef dive located off Krk Island in the Kvarner Gulf. The site features depths ranging from 7 to 18 metres, with an average depth of 12 metres, making it suitable for beginner divers. Visibility typically spans 10 to 30 metres, and the site experiences only mild currents. Access is strictly by boat, requiring prior arrangements with a local operator. Water temperatures fluctuate between 12 and 21 degrees Celsius throughout the year, so appropriate thermal protection is recommended. Species recorded around this area include wrasses, bream, two-banded seabream, castagnole, common octopus, cow snail, cratena slug, scorpionfish, splendid elysia, kingfish, cleaner shrimp, gurnard, eleven-armed sea star, and sea star.