The festival's origins in 1968 placed it squarely in the cultural upheaval of that decade - a year when boundaries of every kind were being tested, and genre cinema was pushing against the limits of what mainstream audiences and censors would tolerate. Spain under Franco was an unlikely cradle for a horror film festival, but Sitges had a bohemian streak that predated the dictatorship. The town had attracted artists and writers since the late 19th century, and its tolerance for the unconventional made it fertile ground for a festival dedicated to the fantastic. Over the following decades, the event grew from a week-long screening into a ten-day behemoth accredited by FIAPF - the International Federation of Film Producers Associations - as a competitive festival specializing in fantasy films. Since 2001, director Angel Sala Corbi has guided the festival's expansion while keeping its identity sharp.

The festival's main awards are called the Gorilla - a name that nods to the genre's love of the monstrous and the misunderstood. An international jury selects winners across categories including Best Feature-Length Film, Best Director, Best Actor and Actress, Best Screenplay, Best Special Effects, and Best Cinematography. But the Gorilla is only one layer. The Jose Luis Guarner Critics' Award honors the press's favorite. The Citizen Kane Award goes to the best debut feature. The Maquina del Temps - Time Machine - Award recognizes lifetime contributions to fantasy cinema, a category that has honored some of the genre's most inventive voices. The Anima't Awards cover animated features and shorts, while the Midnight X-Treme Award celebrates the most boundary-pushing film screened in the festival's late-night sessions, where audiences who have already sat through ten hours of programming voluntarily subject themselves to more.

Sitges itself is essential to the festival's character. The main venue is the Auditori, a 1,380-seat auditorium inside the Hotel Melia Sitges, where journalists gather each morning in the Tramuntana Room to compare notes on the previous night's screenings. Additional venues include the Cine El Retiro and Cine Casino Prado, along with exhibition spaces in the so-called King Kong area - a cluster of venues given that affectionate nickname by festivalgoers. The town's compact geography means that everything is walkable. Between screenings, attendees wander the same narrow streets and seafront promenade that attract summer tourists, except now the cafes are populated by people discussing practical effects techniques and the metaphysics of body horror over cortados.

What makes Sitges endure is the tension between setting and subject. Horror thrives on contrast - the uncanny depends on the familiar becoming strange - and few settings are stranger for a genre festival than a Mediterranean beach town in golden October light. Filmmakers who premiere at Sitges talk about the experience of watching their darkest work received by audiences who spent the afternoon swimming. The festival has become a launchpad for films that go on to reshape the genre: decade after decade, titles that premiered at Sitges have entered the canon of fantastic cinema. For a town of roughly 30,000 people, the transformation is dramatic. For ten days each year, Sitges belongs to the creatures, the creators, and the committed fans who believe that the best stories are the ones that keep you awake at night - especially when the waves outside your hotel window should be lulling you to sleep.