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Greece

Medusa's Cavern (Ithaca)

  • Max depth23 m
  • CertificationOpen water / no overhead
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The dive

The dive starts in a large cavern and continues over a sloping reef with typical Mediterranean fish and an intact amphora. It ends as a wall dive.

Profile and sections

The dive starts in a large cavern and continues over a sloping reef with typical Mediterranean fish and an intact amphora. It ends as a wall dive.

Aquatic spells the name 'Medussa's cavern'.

Source: Aquatic Diving Club – Dive sites ↗
Depth and profile
-12 to -23 m.
Configuration
Large cavern: all configurations.
DPV: Not DPV-suitable (estimate)
Short guided cavern: no scooter.
Who can dive where
  • CaveAt least Open water / no overhead
  • 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 23 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.

Source: Aquatic Diving Club – Dive sites ↗

How to get there

With Aquatic Diving Club from Agia Efimia (Kefalonia), ~15 minutes, on the south-west coast of Ithaca. Exact spot not published.

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Around Medusa's Cavern (Ithaca)

FillsNo fill station known nearby
Other sites1

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Sources, sharing and disclaimer

Sources

Source: Aquatic Diving Club – Dive sites ↗

Current conditions

Visibility, flow and water levels change quickly. Right before your dive, check what other divers report:

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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 (cave pages of the Greek teams T2B, Grafas Diving and Addicted2H2O, wannadive, Wikipedia, Greek news reports 2015–2026, summaries of diving laws 3409/2005 and 4688/2020; Sept 2026); for Rhodes the dive centres Lepia and DiveMed, Scuba Hellas, Tribloo and Duikersgids (Oct 2026); Lepia Dive Centre (message, Oct 2026); for Crete and the Ionian Islands Grafas Diving, Addicted2H2O, divernet (Martyn Farr, 2018), showcaves.com, cretanbeaches.com and the pages of the dive centres Aquatic, Achilleon, Blue Adventures and Eurodivers (Oct 2026). Sea caverns at Lindos and on Kefalonia and Ithaca from the pages of Lepia and Aquatic (Oct 2026). For Paros the pages of Paros Divers (amphitritecave.com, parosdivers.com), T2B, Addicted2H2O and the municipality of Paros; for Drakos–Selinitsa in the Messinian Mani Addicted2H2O, Grafas Diving, showcaves.com, the German Wikipedia and the journals of the Northern Pennine Club (1982) and Cambridge Underground (1983) (Nov 2026). The springs of Polydrosos, Kolethra and Ladonas from Addicted2H2O (also by e-mail, Nov 2026), Grafas Diving, allovergreece.com, Amazing Evia and travel.gr (Nov 2026). Pins from T2B, wannadive, showcaves, OpenStreetMap or Wikipedia (see each site); ~ = estimate. Rules change — check locally.