Nightmare Halloween Experience Cardiff 👻😈

Saturday, 31 October 2026

9:00 PM – 3:00 AM

Free

O'Neill's St Mary Street

85-87 St Mary St, Cardiff CF10 1DW, UK, CF10 1DW

Event Details & Tickets

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The UK's BIGGEST STUDENT HALLOWEEN EVENT IS BACK FOR 2026 ..! 👻

Due to last year selling out in record breaking time and 100s of you being disappointed, we have managed to go even bigger for this years event! 🪦

Expect FULL VENUE HALLOWEEN DECOR! SPOOKY DRINKS! HAUNTED SPECIAL EFFECTS AND PRODUCTION + much much more! 🦇

Halloween Fancy Dress highly encouraged but not compulsory! 🧛🏻

This event operates a Student Friendly not Student Only policy - guests, friends from home, partners etc all welcome :)

£1–£10

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Nightmare Halloween Experience Cardiff 👻😈, Cardiff | Sat… | whatnightout