Sandcastle Waterpark, Blackpool is the UK’s Largest Indoor Waterpark and with 18 slides and attractions it is easy to see why Sandcastle Waterpark continues to make a splash. Opening TimesOpening times vary - please see the Sandcastle website for actual opening dates and times - http://www.sandcastle-waterpark.co.uk/plan-your-day/opening-and-closing-timesMain Season - Check website for exact openings01 Apr 2026 - 31 Oct 2026Opening Times: Main Season - Check website for exact openingsDayOpening HoursMonday10:00Tuesday10:00Wednesday10:00Thursday10:00Friday10:00Saturday10:00Sunday10:00BankHoliday10:00Winter Season - Check website for exact openings01 Nov 2026 - 31 Mar 2027Opening Times: Winter Season - Check website for exact openingsDayOpening HoursMonday24hrTuesday24hrWednesday24hrThursday24hrFriday24hrSaturday10:00-16:00Sunday10:00-16:00BankHoliday24hrTicket PricingTable Caption HereTicket TypePrice12+£24.95 3 - 7 years£15.95 8 - 11 years£20.95 Disable Guest & Carers£15.95 Seniors 60+£15.95 Note: Prices are a guide only and may change on a daily basis.