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

Errenteria and Zumarraga host a month full of activities to protect the oceans

This May we visited Errenteria and Zumarraga. Packed with film screenings, photographic exhibitions and underwater Txikiziklos, we arrived in these two towns with all our enthusiasm to continue promoting the care and...

Read more

Call for entries for the CIMASUB 2024 competition is now open

The eagerly awaited competition of the Donostia - San Sebastian International Underwater Film Festival, CIMASUB 2024, has officially kicked off. With a deadline for entries that runs until 15 September 2024, participants can...

Read more

Next stop of the Cimasub Tour: Azpeitia and Hondarribia

In April, the International Underwater Film Series, CIMASUB, comes to Azpeitia and Hondarribia. Lovers of the underwater world will be able to enjoy the 4th edition in Azpeitia, thanks to the sponsorship of the Sustainability...

Read more


Iñaki Alcalde Ayerbe

It is a pleasure and an honour to be able to participate in the Cimasub. On the one hand because of the prestige it has, as well as being able to meet and surround yourself with world-famous people who know, respect and love...

Read more

Rafa Herrero Massieu

For me, the International Underwater Film Festival of Donostia-San Sebastian is the maximum current reference for underwater images in Europe, an example and a dedication to the great passion of its founder, Francisco Pizarro,...

Read more

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...

Read more