Indiana Beach began as a simple sand beach for people to enjoy water fun in the summertime. Keeping true to its origins, Indiana Beach Amusement Resort still offers the original Swimming Area with Sand Beach, but they have also added Ideal Beach Waterpark for their guests to enjoy. Ideal Beach Waterpark will open daily beginning May 26 to September 3, 2012. See operating calendar for Waterpark hours. Get big discounts with 19 Indiana Beach coupons for December 2017, including Indiana Beach promo codes & 17 deals. Indiana Beach coupon codes and deals give you the best possible prices when shop at indianabeach.com.