CodeMash is a unique event that will educate developers on current practices, methodologies, and technology trends in variety of platforms and development languages such as Java, .NET, Ruby and PHP.CodeMash is held at the Kalahari Resort in Sandusky, Ohio’s Largest Indoor Waterpark. The Kalahari offers a full spa, fitness centers, indoor mini-golf, and a great number of other activities. Entrance to the water park is free when you stay at the Kalahri's hotel.