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Enjoy the CIMASUB

Come and enjoy the underwater world. Find out where, when and what we offer.

Compete in the CIMASUB

Participate and take part in our competition with your photographs, short films or documentaries.

Organiser of the CIMASUB:

Latest news

Four destinations for Cimasub on its February agenda

During February, CIMASUB – Donostia-San Sebastián International Underwater Film Festival will bring underwater culture and cinema to several locations through film screenings, photography exhibitions, and educational...

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The Cimasub Tour 25/26 fills January with underwater cinema in Irun, Beasain, and San Sebastián.

The Cimasub Tour 25/26 kicks off the year with an extensive program throughout January, bringing the best underwater cinema, photography, and marine outreach to different audiences and generations. The activities will take...

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From the achievements of 2025 to an unforgettable 2026: Towards the 50th anniversary

2025 will be remembered as a year of consolidation and growth for CIMASUB. A year in which we have continued to move forward with steady steps, driven by our shared passion for the underwater world and the commitment of an...

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Opinions

Valera Sakhnenko

I’m truly grateful to the San Sebastián International Underwater Film Festival (CIMASUB 2025) in Spain for selecting my film “The Tiny Wonders of Anilao” as the Winner in the Music Short Film category, and for honoring it with...

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Marianne Christine (Sonja Bader)

What a wonderful and absolutely special time it was for me and my sister Ruth, to join your excellent and unique festival.
To get the Award for Sonja… I am very proud of her.

This days became a very "special stone in my life...

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Julio Junquera

My experience at Cimasub 2025 has been unforgettable. The warmth with which we were treated by both the organisers and the audience in such a beautiful setting as the Principal Theatre in San Sebastian, with wonderful...

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