Historic Arnolds Park Inc is a nonprofit organization focused on museums, operating with a mission to provide and preserve family fun in the Iowa Great Lakes area through its historical amusement park, excursion boat, and maritime museum. With an operating budget of $12.7 million and total revenue of $11.1 million for the filing year 2024, the organization is supported by multiple funders, none of which contribute 50% or more of its revenue. More information can be found on their website at http://www.arnoldspark.com.