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Croatia

Blue Hole (Cres)

  • Max depth20 m
  • CertificationCavern

What it looks like

All 1 videos and posts

Videos and posts

From other divers, via YouTube, Instagram and Facebook. They only load when you click; after that, Google's or Meta's privacy rules apply.

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Other people's footage, not advice: how someone else dives here says nothing about what suits your team. Dive within your training.

The dive

A chimney, cave and wall combination: the whole cave is covered in giant gorgonians. After the exit comes an overgrown wall with lots of fish; at its foot a big conger eel (~2.5 m) lives in its own small cave.

Profile and sections

A chimney, cave and wall combination: the whole cave is covered in giant gorgonians. After the exit comes an overgrown wall with lots of fish; at its foot a big conger eel (~2.5 m) lives in its own small cave.

Depth and profile
Pool at -3 m, then down a chimney into a large hall; wide exit on the far side at ~-20 m.
Configuration
The size of the chimney is not published; judge the configuration on site.
DPV: Not DPV-suitable (estimate)
Short cave; no point.
Who can dive where
  • CaveAt least Cavern
  • Whole caveConfigurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
  • Whole caveConfiguration unknown — research beforehand · doesn't decide who may dive
  • Whole caveGoes down to 20 m (trimix or deco may be needed) · doesn't decide who may dive
Through a dive centre or guide

This is how the planner decides who in your team may dive this cave. Rules your own trip adds (organizer, a mail, the AI) show with your trip.

How to get there

By boat with Dive Center Krk; per the centre's photos off Cres, the exact spot is not published. From the anchorage you descend into a small pool 3 m deep.

Plan your route ↗

Around Blue Hole (Cres)

FillsNo fill station known nearby
Other sites1

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Marcel finds the sites that match your team's certifications.

Plan a trip
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Sources, sharing and disclaimer

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Certification requirements, configurations and trimix depths are estimates for planning. Always check them locally and dive within your training. Compiled from web research (Garašić EGU 2017, Subterranea Croatica 2019, HGSS 2014, Wikipedia, stranypotapecske.cz, wannadive.net, dive centres, Kornati NP, Croatian Ministry of the Sea, KBC Rijeka, OXY, news; Sept 2026); for the Kvarner the pages of Dive Center Krk, JU Priroda and Wikipedia (Oct 2026). Pins come from Wikipedia, stranypotapecske.cz and wannadive.net; five springs have a pin from OpenStreetMap, one site has none (yet). ~ = estimate. Rules change — check locally.