On behalf of the entire staff, welcome to Chicago-Elmhurst, home of the the new Mayan Adventure Indoor Waterpark. Just minutes off interstate 290, you'll find Chicagoland's first indoor waterpark. The Mayan Adventure Indoor Waterpark has 24,000 square feet of wet and wild fun for all ages. Picture yourself zipping down our body and tube slides and landing in our plunge pool. Too fast for you? Then hop in a tube and ride the Oogaboo Lazy River. Double-team your opponents while playing water basketball. How about a swirl pool or vortex pool? Zero depth just your speed? We have just the answer with our Parrot Island Interactive PlayStation and giant dumping bucket.Must book waterpark package rooms to access water park.Holiday Inn Chicago, IL - Elmhurst features 203 guest rooms. For dining, enjoy a friendly atmosphere at the Island Breeze Bar & Grill. Our hotel also offers Beef O Bradys Restaurant and Bar, open for all meals, featuring American cuisine in a comfortable and relaxing environment. For non-stop sports action, Beef O Bradys is just the place! Enjoy your favorite game on one of our flat screen TVs, or try your gaming skills with our electronic dartboards. Celebrate your birthday or special event in one our party rooms or themed cabanas. Our party packages create memories and fun for the little ones! The new Mayan Adventure Waterpark is open for guests enjoying a vacation or getaway in Chicago. Come try out Chicago's first indoor park!