Octocon 2025

The National Irish Science Fiction Convention

Saturday 11th October 2025 – Maldron Hotel, Tallaght, Dublin & Online
Sunday 12th October 2025 – Online

Octocon, the National Irish Science Fiction Convention, is a weekend celebration of our favourite stories from books, comics, TV, films and games; from science fiction, fantasy, horror and beyond; attracting artists, writers, film-makers and fans from across the human sphere of influence.

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Octocon is Heading to The Maldron Hotel and Online!

We’ll be in the Maldron Hotel, Tallaght, Dublin for our in-person Octocon on Saturday 11th October from about 10am until late (yes, there will be an evening social event).We’ll also be running online on both Saturday 11th and Sunday 12th, including streaming live from Dublin on Saturday.

About the venue

Sign up now for Octocon 2025

Saturday 11th October 2025 – Maldron Hotel, Tallaght, Dublin & Online
Sunday 12th October 2025 – Online

Weekend Memberships

Attending (22+): Saturday + online – €40
Concession: Saturday + online – €25
Young Adult (13-21): Saturday + online – €10
Children (under 13): Saturday only – FREE
(Must be accompanied by an adult member)
Friend of the Convention: Saturday + online – €60
Supporting & Online – €20

Registration for Octocon 2025 is now open!

Find out more about our membership levels

Read our code of conduct and disease mitigation policy statement