×

This site uses cookies to offer themselves a better service. If you continue to browse consider acceptable for use.

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

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...

Read more

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,...

Read more

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...

Read more

Opinions

Andoni Jiménez, Jesuitinas School Coordinator

Thank you very much for taking us, the pupils of Jesuitinas school, into account. The children have a lot of fun at the TXIKICICLO, they learn, which is the main objective, and they feel part of an activity that unites us to...

Read more

Alberto Santolaria

The San Sebastian underwater film festival has always been for our association a place where we can exhibit the work we have done throughout the year. Our main area of work is the Basque coast, so we consider CIMASUB as...

Read more

Manel Gil

Congratulations on the organisation. We felt very welcome with your cordiality and attention at all times. In addition, we were able to enjoy the work of so many participants present and absent. The divers value and transmit...

Read more