Welcome to Fillenwarth Beach Resort!

Come and enjoy the ultimate summer vacation, fashioned by our three generations of Fillenwarth family ownership.  More than nine decades of experience shapes the way we treat you. Lifelong residents and caretakers, we share the good times with our guests. Trust us for a great Okoboji vacation.


Fillenwarth Beach is located in the town of Arnolds Park, Iowa, on West Lake Okoboji, the premier natural lake in the state. Our excellent location provides easy access to the best activities offered in the Iowa Great Lakes Region and experiences that will keep you coming back for more!
Our resort office is located on the lakeshore two blocks north of the historic renovated Arnolds Park Amusement Park. All of our units are lakeside or near-by with lake access.  We have an entrance on US Hwy 71, one block north of the only stop light in Arnolds Park. We are one block north of the Central Emporium Mall, and within easy walking distance of ATMs, recreational trails, several excellent restaurants, shops and night spots.

Complimentary Activities

We’re more than a place to stay!

  • Sunset Watching
  • Water Skiing
  • Million Dollar Home Cruises
  • Sailing
  • Sun Runner Cruises
  • History Cruises
  • Pools
  • Row Boats, Paddle Boats, Canoes
  • Docks
  • Recreation Activities
  • Recreation Programs