Attractions Sandcastle Waterpark Voted Amongst Europe's Best 5 July 2017 by Visit Blackpool The team at the UK’s largest indoor waterpark are celebrating after being voted amongst the industry’s finest. The Travellers Choice Awards are the highest honour TripAdvisor can give – meaning a business is truly exceptional. Based on guest reviews and opinions, Sandcastle Waterpark finds itself in the top 1% of attractions worldwide and amongst the top 25 waterparks in Europe. Sandcastle Waterpark Managing Director John Child said, “We are delighted to be recognised by our visitors in the TripAdvisor Traveller’s Choice Awards. Guest Service Excellence is at the heart of everything we do and with the main summer holidays approaching, we are looking forward to delivering a quality, fun-filled and memorable experience for our guests.” Sandcastle Waterpark opened in 1986 and features more than 18 slides and attractions in an 84 degree tropical climate. Its attractions include the Master Blaster, the longest indoor rollercoaster waterslide in the world. In June 2016, to celebrate its 30th birthday, 529 guests set a new Guinness World Record for the most people down a waterslide in one hour.