The Mafia Wreck is a boat-accessible dive site located off Krk Island in the Kvarner region. The wreck rests on the seafloor at depths between 30 and 40 metres, requiring intermediate certification and careful management of bottom time and no-decompression limits. Visibility at the site varies from 10 to 30 metres. Divers should exercise caution regarding entanglement risks when navigating the structure and avoid enclosed sections unless properly trained. Water temperatures fluctuate significantly throughout the year, ranging from 12C in the winter months to 25C during the peak of summer.

Indiana is a shallow reef located off Krk Island, Croatia, suitable for beginners building underwater confidence. The site features a maximum depth of 2 to 3 metres and is accessed exclusively by boat. Divers can expect visibility ranging from 5 to 10 metres with no significant current to manage. Water temperatures fluctuate seasonally between 12 and 25 degrees Celsius, requiring appropriate thermal protection depending on the time of year. Typical dives last approximately 30 minutes. As there are no facilities on site, divers should arrange transport and confirm current conditions with a local dive operator before arrival.

Kormat is a reef site located off Krk Island in the Kvarner Gulf. The topography consists of a reef structure spanning depths between 20 and 40 metres, making it suitable for intermediate divers. Access is strictly by boat. Visibility at the site ranges from 10 to 30 metres, and the area is generally free of currents. Divers should monitor their air consumption and depth closely due to the significant profile. Species recorded around this area include wrasses, bream, two-banded seabream, crabs, sea stars, and various nudibranchs such as the Cratena slug and Mediterranean violet aeolid. Sharks are noted as a potential hazard in this region.

Cres Mezulin, located off Krk Island, offers a diverse underwater landscape featuring a reef, wall, cave system, and drop-off. This boat-only dive site is suited for intermediate divers, with depths ranging from 20 to 40 metres. Visibility typically spans 10 to 30 metres. Divers should be prepared for mild currents that can occasionally strengthen around the wall and cave sections. Maintaining good buoyancy is essential to avoid contact with sharp coral and rocks. Water temperatures remain cool, ranging between 12 and 17 degrees Celsius throughout the year, making a 5mm or 7mm wetsuit necessary for comfort during the typical 45-minute dive duration.

The Nanos is a technical wreck dive located off Krk Island, resting at depths between 70 and 93 metres. This site is strictly for advanced divers, requiring trimix certification and decompression procedures due to the significant depth and overhead environment. The wreck structure features various recesses and surfaces that host scorpionfish, conger eels, forkbeard, John Dory, nudibranchs, sponges, and California spiny lobster. Divers must manage gas supplies carefully to mitigate nitrogen narcosis risks. Access is by boat only, and conditions include moderate currents and variable visibility. Thermal protection is essential, as water temperatures fluctuate between 12C and 25C throughout the year.

Mali Bok on Krk Island features a dramatic vertical wall and reef topography that drops quickly from the shore. This site is suitable for intermediate snorkelers who can navigate the steep terrain. Entry is via a pebble beach, and water conditions typically involve mild currents. Water temperatures fluctuate significantly throughout the year, ranging from 12C in winter to 26C in August. Species recorded around this area include wrasses, bream, painted comber, and various invertebrates such as sea stars, crabs, and cow snails. Be aware of sea urchins and sharp coral when entering or exiting the water.

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.

Uwala Metlikova on Krk Island offers a diverse underwater landscape transitioning from shallow reef to a wall and cave system. Divers can explore depths ranging from 5 to 40 metres, making it a suitable site for intermediate divers. Visibility typically spans 10 to 30 metres, providing clear views of the varied terrain. The site experiences mild currents and is accessible via both shore and boat entries. Water temperatures remain cool, fluctuating between 12 and 17 degrees Celsius throughout the year. Due to the significant temperature drop below 20 metres, a 5mm wetsuit is recommended for all dives.