107 years OF PERFECTING OKOBOJI FUN

Come and enjoy the ultimate summer vacation, fashioned by our three generations of Fillenwarth family ownership. Ten 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.

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Explore Fillenwarth

More than just a place to stay!

TAKE OUR TOUR
  • 2025 COUNTDOWN

    171 Days 'til Fillenwarth Fun
  • SEASON OPEN

    Thursday, May 01
  • LAST NIGHT OPEN

    Sunday, September 14
Sun Runner Cruize

WEST LAKE Okoboji LOCATIONS

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!

  • MAIN BEACH
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    MAIN BEACH

    These units are all located lakefront on West Lake Okoboji, two blocks north of the amusement park. Each Chateau Suite has a private deck, outdoor dining and a gas grill. The boardwalk Apartments have a common Non-smoking lakeside patio walkway with tables, chairs and shared gas grills.

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  • NORTH BEACH
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    NORTH BEACH

    Two blocks north of the Main Beach is our North Beach area. Two docks serve these rooms (150 has its own dock). All are lakefront except 154, 155, 156, and 143-148, which are across the road, have a limited lake view and lake access. Each room has a patio or deck with outdoor dining and a gas grill.

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  • SOUTH BEACH
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    SOUTH BEACH

    Two blocks south of the Main Beach and one block north of the amusement park is our South Beach. All units here are lakefront, have a spectacular view, a singles tennis court, a large dock and a nonsmoking deck or patio with a gas grill. They adjoin one of the best natural sand beaches in Okoboji.

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  • COTTAGE COLONY
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    COTTAGE COLONY

    Cottage Colony is a collection of individual cottages, duplexes and apartments located on spacious, nicely landscaped grounds across the road from the Main Beach.  Here you will find our outdoor pool, playground, sand volleyball court and large picnic area.  Each cottage has a deck or patio with outdoor dining and a gas grill.

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Sun Runner cruise on West Lake Okoboji

Come to Okoboji and be our guest!

Fillenwarth Beach is a family-owned and operated lakeside resort on West Lake Okoboji in Arnolds Park, Iowa. Our resort accommodations are fully-furnished cottages, studios, and apartments located on the lakefront or nearby with West Lake Okoboji access.