Timos Caves on Krk Island is a boat-access site featuring a series of caverns and caves ranging from 5 to 25 metres in depth. The site presents an overhead environment, requiring divers to carry a torch as natural light diminishes within the system. Conditions are generally mild with light currents, though visibility can vary between visits. Water temperatures fluctuate seasonally between 12 and 25 degrees Celsius. Due to the overhead nature of the site, it is recommended that beginners dive with a local guide who is familiar with the cave layout. Ensure you have appropriate training for cavern environments before attempting to penetrate these areas.

Cavern Bay on Krk Island offers a diverse underwater landscape featuring a cave system, a vertical wall, and a drop-off reaching 25 metres. Divers typically explore the site at an average depth of 18 metres. The cave section presents an overhead environment requiring strict buoyancy control and primary and backup torches due to limited ambient light. Outside the cave, the wall and drop-off provide varied topography. Access is exclusively by boat, and the site is suitable for intermediate divers with cavern certification. Conditions include mild currents and visibility ranging from 10 to 30 metres. Night diving is available, and the site remains accessible throughout the year.

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.

Velo Čelo on Krk Island is a reef site defined by its towering golden cliffs and rocky seabed. Accessible only by boat, the site offers visibility ranging from 15 to 30 metres. Conditions are generally suitable for beginners, with mild currents present. Water temperatures fluctuate throughout the year, ranging from 12C in the winter months to 25C during the peak of summer. Divers and snorkellers should be aware of sharp coral present in the area. The site is well-regarded for snorkelling, providing a clear view of the underwater topography along the cliff face.