Cimasub - San Sebastian International Underwater Film Festival
Major legitimate festival with strong credentials
CIMASUB, the Donostia-San Sebastián International Underwater Film Festival, is a long-running festival dedicated to underwater cinema and marine imagery. It showcases international short films, documentaries, and photography centered on the ocean, with an emphasis on environmental awareness and respect for marine life. Widely regarded as the world's longest-running underwater film festival, it has become a key specialist event in the underwater film and photography circuit.
Last updated Aug 21, 2026
Legitimacy Analysis
Positive Indicators (+34 pts)
- 50 years of verifiable history
- Physical screenings at Teatro Principal
- 3 verified pro signals
- Verified trusted status
Red Flags (-0 pts)
No red flags found
Trust Signals
Positive Signals
- FF_GOLD_BADGE
- Documented history with archived programs
- Named venues with external verification
Festival Details
Founded
1976
Venue
Teatro Principal
Screenings
Physical screenings confirmed
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Quick Stats
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