Water Slide Rentals in Lancaster, Pennsylvania. 3 Monkeys Inflatables is proud to offer a huge selection of water slide rentals available for rent in Lancaster, Pennsylvania. 3 Monkeys offer Water Rentals like Water Slides, but also other water items like Dunk Tanks, Misting Tents, Misting Fans, Combo rentals with water slide features, and much more! Check them all out on our website or contact us by email at info@3monkeysinflatables.com or 717-650-7657. Check out all our amazing Water Slide