The SS Regolo is a technical wreck dive located off Krk Island, Croatia, resting at depths between 50 and 66 metres. This site requires trimix and advanced technical diving protocols due to the extreme depth and potential for nitrogen narcosis. Access is strictly by boat, and divers must be prepared for variable currents and potentially low visibility. The wreck structure provides a habitat for various marine life, though species recorded around this area include wrasses, scorpionfish, bream, and yellow gorgonians. Given the depth and environmental hazards, including decompression requirements, this site is suitable only for experienced technical divers using professional boat support.

The Jakljan wreck is a technical dive site situated 200 metres off the coast of Krk Island. Resting at depths between 42 and 51 metres, the structure requires advanced technical certification and careful decompression planning. Divers encounter mild currents and visibility ranging from 10 to 40 metres. Due to the significant depth, nitrogen narcosis and decompression obligations are primary considerations for all visitors. Access is exclusively by boat, and divers should ensure their charter operator provides necessary air fills. The site is suited for experienced technical divers capable of managing deep-water protocols and mandatory decompression stops during their 40-minute average dive time.

Kricin is a shore-entry reef site located on Krk Island in the Kvarner Gulf. This site is suitable for beginners due to its shallow depths and mild currents, which allow for a relaxed diving experience. Access is straightforward, with parking available directly at the site. Water temperatures fluctuate throughout the year, ranging from 12C in the winter months to 25C during the peak of summer. Visibility can be variable, so planning dives during periods of settled weather and calm seas is recommended to ensure the best conditions for exploring the reef structure.

Zecevo on Krk Island offers a varied underwater landscape featuring a combination of reef, wall, and drop-off formations. The site is suitable for intermediate divers, with depths ranging from 10 to 33 metres. Navigation is generally comfortable due to mild currents, and visibility typically spans 10 to 30 metres. Access is by boat only, as the site is located 1000 metres from the shore. Water temperatures fluctuate between 12 and 25 degrees Celsius throughout the year. Species recorded around this area include European Common Cuttlefish, Scorpionfish, various wrasses, bream, and Mediterranean Violet Aeolid.

Rebica is a reef dive located off Krk Island in the Kvarner Gulf. The site features a reef structure that descends from 15 metres to a maximum depth of 38 metres. Due to the depth profile, it is suited for intermediate divers who should approach the deeper sections with care. Visibility at the site typically ranges between 10 and 30 metres, providing clear sight lines across the reef. There is generally no current to manage, allowing for a relaxed pace. Water temperatures fluctuate between 12 and 25 degrees Celsius throughout the year, requiring appropriate thermal protection depending on the season. Access to this site is by boat only.

Punta Sokol in the Kvarner Gulf offers a diverse underwater landscape featuring a pinnacle, wall, and reef. The site is accessible by boat only and is suitable for beginners, with depths ranging from 15 to 50 metres. Divers should remain within their certified depth limits, focusing on the upper sections of the wall and pinnacle. Visibility typically ranges between 10 and 30 metres, and there is generally no current to manage. Water temperatures fluctuate significantly throughout the year, ranging from 12 to 25 degrees Celsius. Species recorded around this area include wrasses, bream, scorpionfish, and various invertebrates such as sea stars and crabs.

Light House on Krk Island features a combination of reef and wall topography. The site reaches depths between 10 and 18 metres, with an average depth of 14 metres, making it suitable for beginners. Visibility typically ranges from 10 to 30 metres, and the mild current allows for manageable dives. The site is also accessible for night diving. Divers should exercise caution regarding sharp coral and rocks on the reef and wall. Access is by boat only, and typical dive times are around 45 minutes. Species recorded around this area include wrasses, scorpionfish, sea stars, crabs, bream, and various invertebrates.

Tunel Prvić on Krk Island offers a unique combination of a swim-through tunnel, wall, and drift dive. Suitable for beginners, the site ranges from 6 to 30 metres in depth with an average of 14 metres. Visibility is excellent, typically between 15 and 30 metres, which assists in navigating the overhead tunnel environment. Divers can access the site by boat or from the shore. Due to regular vessel movement in the area, the use of a surface marker buoy is essential for safety. Divers should exercise caution in the overhead sections and carry a torch to illuminate details along the rock walls.