Do you have to be 18 to attend a Butlin's Big Weekender? 23 November 2021 11:11 Updated You do indeed! Our Live Music Weekend breaks are for adults only over the age of 18 years. Related articles Is there fancy dress allowed on a Butlin's Big Weekender? Will I need to bring ID with me? Do I have to wear a wristband? What if I forget to bring along my ID? Do I need to book shows/activities for Big Weekenders?