Juanita the climate crisis clown, the world’s tiniest trained acrobats of the Amazing Flea Circus and a neuroscientist who juggles flipcharts are part of the cast at Europe’s only circus science festival. Circus Science by the Sea returns to Westport and Achill Island, County Mayo for a third year.

Produced by Circus250 and supported by Science Foundation Ireland, this unique festival blends circus arts with science, delivering a weekend of performances, interactive workshops, and discussions that spark joy, while addressing urgent topics like climate change and plastic pollution.

Most events are free, others are ticketed, prices vary.

Readers are advised to check with the organiser before relying on the details published here.