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SAN SEBASTIAN INTERNATIONAL
UNDERWATER FILM FESTIVAL

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.

Organized by:

Latest news

The best in underwater cinema continues its tour in August with two new screenings in Bakio and San Sebastián

Summer continues to offer a unique opportunity to bring the sea closer to the public through the best in underwater cinema. Following the success of the activities held in July, CIMASUB continues in August with two new events...

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The sea once again takes center stage in the ZERO ZABOR URETAN 2026 campaign, featuring CIMASUB and the best outdoor underwater film screenings

During the month of July, the Basque coast will once again become a major stage for raising environmental awareness with the seventh edition of ZERO ZABOR URETAN, an initiative led by the MATER Ecoactive Museum Ship, which...

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CIMASUB unveils the poster for its 50th edition, a tribute to those who made the history of underwater cinema possible

CIMASUB, the San Sebastián International Underwater Film Festival, has officially unveiled the poster for its 50th edition—a very special image with which the organization aims to commemorate half a century of history,...

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Opinions

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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Joan Barcia y Eva Cruz

We have been to this incredible underwater image event for the first time and we already know that from now on it will be an unmissable annual event, not only because being able to view so many images - video and photographic...

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Jorge Martínez Vázquez

For me, Cimasub is and has always been not just an underwater film festival, but a gateway to how things should be done. Its international prestige is indisputable, and its team's attention to detail and commitment to...

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