

Best for intermediate divers, 14-21m, boat entry, mild current.
Cathedral Cavern in Crete is a marine cave system featuring stalactites and stalagmites, evidence of its existence above water during Minoan times. The entrance lies at 14 metres, with the site reaching depths between 14 and 21 metres. Divers encounter a halocline effect and temperature fluctuations caused by freshwater pools within the cavern. Light beams penetrate the overhead environment, creating distinct visual effects. Access is by boat, located 500 metres from the shore. Conditions include mild currents and visibility ranging from 13 to 40 metres. Hazards include the overhead environment, low visibility, thermoclines, and the presence of lionfish. Species recorded around this area include Turkish Wrasse, European Parrotfish, and various crustaceans.
35.55166, 24.07100
Divers may feel slight temperature changes when entering freshwater areas within the cavern.
Access is via fast RHIB boat.
Recorded at this site
Depth
14-21m
Visibility
13-40m
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
16-25°C
Current
Mild
Typical Dive
45 min
Species recorded around this area include Turkish Wrasse, European Parrotfish, Rabbitfish, Flat Crabs, Hermit Crabs, and various species of grouper, pufferfish, and scorpionfish.
No, this site is rated for intermediate divers due to the overhead environment and specific hazards like low visibility and thermoclines.
The site has an entrance at 14 metres and reaches depths between 14 and 21 metres, with an average depth of 17 metres.
Cathedral Cavern is a boat dive located 500 metres from the shore; a boat is required to access the site.
No, this is a cave dive site with an entrance at 14 metres, making it unsuitable for snorkelling.
Water temperatures are warmest between July and September, peaking at 25C, while the coldest months are February and March at 16C.
Diving at Cathedral Cavern in Chania requires the following certifications: Open Water. Always dive within your training limits.
A 5mm wetsuit is recommended for diving at Cathedral Cavern in Chania. Water temperatures range from 16°C to 25°C.
Divers at Cathedral Cavern in Chania should be aware of lionfish. These encounters are generally rare and avoidable with proper awareness. Follow local safety guidance and maintain a respectful distance from all marine life.
Cathedral Cavern in Chania typically has mild currents that most divers can handle comfortably.
Visibility at Cathedral Cavern in Chania typically ranges from 13 metres to 40 metres. Conditions vary with weather, tides, and seasons.