×

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 CIMASUB 2025 competition is underway!

The organisers of the San Sebastián International Underwater Film Festival (CIMASUB) are pleased to announce that the call for entries is now open for our annual competition, which this year celebrates its 49th edition. Once...

Read more

Don't miss out on all the Cimasub events this March!

The International Underwater Film Series (CIMASUB) continues its journey in March with a calendar full of exciting screenings and activities for all ages. This month, various locations will host underwater film sessions,...

Read more

Cimasub fills February with activities in Lasarte-Oria, Zarautz and San Sebastián

The International Underwater Film Festival, Cimasub, is preparing for a month of February packed with exciting activities that will bring the wonders of the underwater world to people of all ages. The initiatives include film...

Read more

Opinions

José Irisarri

Cimasub inspires increased public awareness for the protection of marine biodiversity, and support for the creation of marine protected areas.

The communication campaigns it carries out on social networks, traditional media...

Read more

Jose Hernández

Participating in the CIMASUB International Underwater Film Series has been an enriching experience that has expanded not only my vision of the ocean, but also my commitment to its defence and conservation.

During the...

Read more

Manuel Campillo

On three occasions we have had the opportunity to go to CIMASUB, which is doing such a good job of making our beloved SEA known in its many facets. Moreover, the work you are doing to make it known to as many children as...

Read more