Written by DiveJourney. Built from public sources and local operator knowledge. Last updated Dec 7, 2025.

• DiveJourney - Croatia dive spots index - Internal inventory of Croatia dive spots used for signature-site linking and regional examples.
• DiveJourney - Baron Gautsch dive spot - Reference page for a signature Croatian wreck site.
• Government of Croatia - Diving (individual diving authorisation, marking rules) - Official national guidance on individual diving authorisation, buoy/flag marking, and reporting archaeological finds.
• Government of Croatia - Diving in areas where cultural goods are located - Official rules on permits for underwater cultural heritage areas and how access is organized.
• DHMZ Climate Normals - Split Marjan (includes sea temperature) - Long-term monthly climate and sea temperature averages used for planning ranges.
• DHMZ Climate Normals - Dubrovnik (includes sea temperature) - Long-term monthly sea temperature averages for south Dalmatia planning.
• DHMZ Climate Normals - Rovinj (includes sea temperature) - Long-term monthly sea temperature averages for Istria planning.
• Kornati National Park - Diving and snorkelling rules - Official park rules for scuba and snorkelling, including designated zones and depth limits.
• Brijuni National Park - Scuba diving (organized groups) - Official information on diving being organized through guided groups and listed dive locations.
• Brijuni National Park - Educational underwater trail (snorkelling) - Official snorkelling trail description used for snorkel planning context.
• Mljet National Park - Code of conduct - Official restrictions including prohibition of underwater activities in the Great and Small Lakes.
• Nature Park Telascica - Rules of conduct (diving permits and locations) - Official rules stating autonomous diving requires a permit and is limited to specific locations.
• Government of Croatia - Emergency help numbers - Official list of emergency numbers including 112 and maritime search and rescue 195.
• European Union - ETIAS timeline (official) - Official EU statement that ETIAS will start operations in the last quarter of 2026.
• DAN Europe - Emergency call portal - Diving emergency hotline and contact channels for DAN Europe members.
• U.S. Embassy in Croatia - Entry and residence requirements - Example official travel guidance on Schengen-style entry rules for U.S. passport holders.
• KBC Rijeka - Center for Underwater and Hyperbaric Medicine contacts - Hospital contact information for hyperbaric medicine support in Rijeka.
• AIDA International - Adriatic Depth Trophy (event listing) - Freediving depth competition listing used for seasonal event context.
• CMAS - Croatian Open National Freediving Championship (event listing) - Freediving event listing used for seasonal event context.