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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:

Subacuaticas

Latest news

The CIMASUB Tour 25/26 is heading to its final stops in Zumaia and Tolosa

The CIMASUB Tour 25/26 is now entering the final stretch of its itinerary. Before giving way to a new edition of the Tour, which will begin shortly, underwater film and photography will come to Zumaia and Tolosa in October,...

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CIMASUB, 50 years of shared history: a tribute to those who made it possible

CIMASUB is celebrating its 50th anniversary and wants to use this very special edition to recognize some of the people who made it possible for the festival to reach this milestone. For this reason, this year we will pay a...

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CIMASUB 2026 Breaks Attendance Records and Submits Its Entries to the Jury

The deadline for submitting entries to CIMASUB 2026 ended yesterday, and it does so with news that fills us with excitement: this 50th edition has seen the highest number of entries in the festival’s history. In such a special...

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Opinions

Andrea and Marco Spinelli

Our participation in CIMASUB has been an extremely enriching and motivating experience. The festival not only gave us the opportunity to present our work to an audience passionate about the marine environment, but also allowed...

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Julio Martínez

I had the honour of taking part in this 47th edition of CIMASUB, one of the most prestigious film seasons in Europe, with the award-winning photograph in the "ecological awareness" category. Getting to know San Sebastian,...

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Dawn Strohmeyer

Thank you so much for such a warm and generous welcome at CIMASUB 2025. It was a truly special festival filled with extraordinary films, kind and passionate people, and unforgettable moments. We arrived as strangers and left...

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