Čikat Underwater Museum is an artificial reef located in the Kvarner Gulf, Croatia. The site features 11 replicas of historical artefacts, including cannons and the Apoxyomenos statue, arranged on the seabed. Situated at depths between 5 and 15 metres, with an average of 10 metres, the museum is accessible to both divers and snorkellers. Entry is from the shore, and conditions typically include mild currents and visibility ranging from 10 to 20 metres. Facilities at the location include parking, toilets, showers, changing rooms, and a dive shop offering equipment rental, air fills, and guided tours. The site is suitable for beginners, with a typical dive duration of 40 minutes.

Koludarac Bay features a diverse underwater landscape comprising a reef, canyon, wall, and cave system. The site reaches depths of 40 metres, with an average depth of 15 metres, making it suitable for beginners. Access is by boat only, and divers should remain cautious of boat traffic when surfacing. Conditions include mild currents and variable visibility. Species recorded around this area include common octopus, wrasses, sea stars, brittle stars, painted combers, hermit crabs, bream, crabs, castagnole, two-banded seabream, white seabream, tompot blenny, and spirograph. Night diving is available at this location. Local facilities provide air fills, equipment rental, and guided tours.

Koludarac Cave is a multi-faceted site in the Kvarner Gulf featuring a cave system, wall, and reef. Depths range from 3 to 38 metres, with an average of 25 metres. Access is by boat only, located 50 metres from the shore. The site presents an overhead environment, requiring appropriate training and torch management. Divers should be aware of boat traffic when surfacing. Water temperatures are cool, ranging between 12 and 17 degrees Celsius. Species recorded around this area include common octopus, wrasses, sea stars, painted combers, hermit crabs, bream, brittle stars, castagnole, two-banded seabream, tompot blenny, white seabream, spirograph, and splendid elysia.

The Big Cave is a marine dive site located 100 metres from the shore in the Cres and Lošinj area. This site is suitable for beginners and features a consistent depth of 15 metres. Divers typically spend 40 minutes underwater, navigating conditions that include mild currents and visibility ranging from 10 to 20 metres. Water temperatures fluctuate throughout the year, reaching a high of 24C in August and a low of 12C in March and April. Shore access is available, and local facilities provide air fills, equipment rental, and guided tours for those visiting the site.

Vale Inglese, located off the Koludarac peninsula, offers a diverse underwater topography featuring a wall, cave, and reef system. Accessible only by boat, the site reaches depths between 18 and 38 metres. Divers encounter mild currents, making it suitable for beginners, though careful buoyancy control is required to avoid contact with sharp coral and rocks. Species recorded around this area include wrasses, sea stars, brittle stars, various seabream, blennies, and octopuses. Due to water temperatures ranging from 12 to 17 degrees Celsius, thick exposure protection or a drysuit is recommended. The site is also suitable for night diving.

Zabodaski South is a diverse site featuring a reef, wall, and cave system located just off the coast of the Lošinj archipelago. The topography includes a steep, vertical wall on the western side of the island. Divers typically access the site by boat, anchoring near the lighthouse in approximately 5 metres of water. The site is suitable for beginners, with depths ranging from 4 to 22 metres and an average depth of 12 metres. Conditions are generally mild, though divers should remain aware of boat traffic in the area. Visibility at this location fluctuates between 5 and 20 metres, and a typical dive lasts around 50 minutes.

Artatore is a boat-accessible site in the Kvarner Gulf featuring a diverse combination of reef, canyon, and cave systems. Suitable for beginners, the site offers depths ranging from 4 to 25 metres with an average of 18 metres. Visibility typically spans 10 to 25 metres, supported by mild currents. Divers should remain aware of boat traffic when surfacing and exercise caution within the overhead environments of the cave and canyon. Species recorded around this area include common octopus, wrasses, sea stars, abalone, tompot blenny, white seabream, spirograph, castagnole, two-banded seabream, crabs, bream, hermit crabs, and painted comber.

Zabodaski is a reef and wall site located in the Kvarner Gulf. The topography features a reef that transitions into a wall, dropping from 5 metres to a maximum depth of 40 metres. This site is suitable for intermediate divers, as the current remains mild throughout the area. Access is exclusively by boat, which must be arranged in advance. Water temperatures fluctuate between 12 and 17 degrees Celsius, requiring appropriate thermal protection. Visibility at the site is variable, so divers should confirm current conditions with their boat operator before departure. As there are no facilities on-site, all necessary equipment must be carried on the boat.