Big Hole Dive
Conditions
Scored by DiveConnect's site-physics model
Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.
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About this site
Big Hole Dive lies off Kalymnos in the Dodecanese island group in the South Aegean, an island whose coastline is defined by limestone cliffs and karst formations that extend underwater. The name points to a large hole or cavern feature typical of this geology, in an area usually reached by boat from Pothia or Masouri. Waters here are characteristic of the eastern Aegean, with rocky shorelines dropping into deeper channels between Kalymnos and its neighboring islets. The site is rated advanced, likely reflecting the depth or the swim-throughs and overhead sections that this kind of cavern terrain tends to involve.
AI overviewMarine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Rivulated RabbitfishSiganus rivulatusReported here · unconfirmed
Dusky SpinefootSiganus luridusReported here · unconfirmed
Indian LionfishPterois milesReported here · unconfirmed
Worm Sea CucumberSynaptula reciprocansReported here · unconfirmed
Black sea urchinArbacia lixulaReported here · unconfirmed
Black Longspine UrchinDiadema setosumReported here · unconfirmed
Red SquirrelfishSargocentron rubrumReported here · unconfirmed
Durable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
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