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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

Luca Keller Joins the International Jury for CIMASUB's 50th Anniversary Edition

Luca Keller, a renowned German-Italian underwater filmmaker and content creator, joins the jury of the 2026 edition of Cimasub, the Donostia-San Sebastián International Underwater Film Festival, in a particularly special year...

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You can now submit your entries to the CIMASUB 2026 contest!

The organizers of the Donostia–San Sebastián International Underwater Film Festival (CIMASUB) are pleased to announce that the call for entries for the CIMASUB 2026 competition is now officially open. This year is no ordinary...

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May brings the sea to land with the CIMASUB Tour in Astigarraga and Hernani

The Cimasub Tour returns to Gipuzkoa this May with a special program in Astigarraga and Hernani. These two towns will host underwater film screenings and photography exhibitions designed to bring the public closer to the...

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Opinions

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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José Carlos Rando Lara

José Carlos Rando Lara - VideoSub World Championship runner-up 2019

Once the 43rd edition of the International Underwater Film Festival of San Sebastian 2019 (CIMASUB) has finished, and even though I have been participating...

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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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