Yas Waterworld on Yas Island is an award-winning waterpark that has just expanded with 11 new slides and attractions, bringing the total to over 70 rides, slides, and experiences . Here's what visitors can expect. Thrilling Rides for Adrenaline Seekers The park's newest addition features Matamir's Drop, the UAE's tallest waterslide, where riders plunge from over 40 metres (131 feet) high before racing through a 233-metre course of twists and turns . It's a genuine freefall experience that pushes the limits of what a waterslide can offer. Other high-octane options in the new Lost City expansion include: Sahel Matamir – a freefall tube racer with bursts of acceleration and weightless moments Matamir Loop – a high-speed body slide built for rapid descents Matamir Twist – Matamir Lights – combines steep drops with immersive lighting effects for a visual thrill Matamir Splash – the park's first duelling mat racer, letting friends race side-by-side to a soaking finish