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.

Octocon is Heading to The Maldron Hotel and Online!

The Maldron Hotel, Tallagh, Dublin

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.

Our Venue Map

Octocon Map 2025
Click to expand

Opening Hours

Registration and Info

  • Saturday: from 09:00 in the upstairs foyer of the Maldron Hotel

Trade Hall

  • Saturday: 10:00 – 17:30 in the Shannon 1 Suite

In-person Programme

  • Friday: Opening Ceremony (online only) at 19:00 followed by an informal social in the bar/lobby
  • Saturday: from 10:00 until 18:00
  • Saturday night social: The Return of the Octocon Table Quiz from 20:00
  • Sunday: online only, including the Closing Ceremony at 18:45

Online Programme

  • Friday: Opening Ceremony (online only) at 19:00 followed by a social Zoom hangout
  • Saturday: 10:00 – 20:00, including programme streamed from the Maldron Hotel
  • Saturday night social: 21:00 – late
  • Sunday: 10:00 – 18:45 (Closing Ceremony begins at 18:45)

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
  • Coming with friends? Buy 5 memberships at the same time and get the cheapest one completely free!

Find out more about our membership levels

Read our code of conduct and disease mitigation policy statement

Octo with programme book and badge

Volunteers Needed!

We are looking for volunteers for both on-site and virtual operations. If you’d like to get involved:

Octocon 2025 is proudly supported by

South Dublin County Council logo
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