What the app does
It helps you quickly check recent jellyfish reports near the beach you care about, and lets you warn others when you spot jellyfish.
Live beach reports
See where jellyfish have appeared before you go swimming.
Medusa Map is a live map where swimmers report jellyfish sightings on beaches with a photo, GPS location, and an optional note.
How to submit a report
- Sign in Use email or Google so the report is connected to your account.
- Take a photo Upload a clear photo of the jellyfish or the area where you saw it.
- Allow GPS The app captures the beach location automatically so it appears correctly on the map.
- Submit the report Add an optional note and submit. The report appears on the map immediately.
Jellyfish on Greek beaches
Medusa Map collects swimmer reports for jellyfish sightings, helping you get a clearer picture before heading to the beach.
Jellyfish today
Check recent user reports and see whether jellyfish have appeared today or in the last few hours near the area you care about.
Jellyfish map of Greece
The live jellyfish map of Greece shows reports with photos, report time, and GPS location for better awareness.
Swimmer reports
Swimmer reports help the community stay informed about beaches where jellyfish have been spotted.
Tips
Jellyfish tips
Short guides for stings, common jellyfish species, and safer swimming.
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24h
Recent reports
GPS
Automatic GPS
Map
Live map