×

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

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

CRESSI joins the CIMASUB family with prizes and surprise gifts

CIMASUB continues to secure significant support to host a very special edition. In 2026, the year the festival celebrates its 50th edition, we are delighted to announce that CRESSI has joined as a new sponsor of the... Read more

The ocean comes to Pamplona and Llodio thanks to CIMASUB

The CIMASUB Tour 2026 continues throughout September with new offerings in film, photography, and underwater education. This time, Pamplona and Llodio will be the destinations where the public can discover the beauty and...

Read more

The best in underwater cinema continues its tour in August with two new screenings in Bakio and San Sebastián

Summer continues to offer a unique opportunity to bring the sea closer to the public through the best in underwater cinema. Following the success of the activities held in July, CIMASUB continues in August with two new events...

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

Marianne Christine (Sonja Bader)

What a wonderful and absolutely special time it was for me and my sister Ruth, to join your excellent and unique festival.
To get the Award for Sonja… I am very proud of her.

This days became a very "special stone in my life...

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