The Castle at 501 Prospect

The Castle at 501 Prospect The Castle (501 Prospect St, Beloit) is a restored 1906 church turned venue, we are here to help you make lasting memories.
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From hosting weddings, concerts, tastings, spoken poetry, to special private closed events like movie screenings or photoshoots Beloit's newest entertainment and banquet venue makes its home in one of Beloit's oldest buildings. The Castle was originally built in 1906, and enjoys Landmark status in the city's Near East Side Historic District. Gothic architecture and stained glass provide the atmosp

here to a building that has been re-purposed for the performing arts, event hosting and banquets. In addition to concerts by the BJSO, various local and touring artists perform in an acoustically stunning amphitheater, complete with a towering pipe organ. The King's Court Players are the resident theater troupe that provide live entertainment during interactive dinner theater performances. Guests can browse through original artwork or enjoy a cocktail in the Bell tower Lounge, overlooking the historically preserved theater. The Castle is available for weddings, banquets and corporate events and provides complete catering services for groups up to 400.

Our next event this Saturday is a comedy, with the star / writer / creator hanging out in person with us. See ya then!
04/08/2026

Our next event this Saturday is a comedy, with the star / writer / creator hanging out in person with us. See ya then!

See Skweezy AND his movie!

So many events coming, this one is for book lovers
04/07/2026

So many events coming, this one is for book lovers

Let’s welcome Bethany Witte-Krantz to The Quill & Cloak: Adult Book Fair.

By day, Beth has her “big girl job”… but by night, she transforms into a writer (with strong raccoon energy 🖤). She creates stories that center plus-size women in sapphic fantasy worlds, bringing representation and magic together on the page.

Originally relocating to Wisconsin nearly 9 years ago, she now calls it home with her wife and their two cats.

Saturday, April 18th, 1–5 PM
The Castle, Beloit, WI 📚

Tag a friend you'd ask to go skating with =]
03/30/2026

Tag a friend you'd ask to go skating with =]

Mark your calendar & share with your neighbors, we’re planning something fun 🪴 Working with a gardener to have some plan...
03/26/2026

Mark your calendar & share with your neighbors, we’re planning something fun 🪴 Working with a gardener to have some plant-crafts for kids too

03/16/2026
Take a look at these various events coming over the next two weeks alone. Two of them are free to attend
03/16/2026

Take a look at these various events coming over the next two weeks alone. Two of them are free to attend

Just announced!
03/12/2026

Just announced!

Hey skaters, we’re going to record a little promotional hype style video. RSVP or tag your skater friend in the comments...
03/11/2026

Hey skaters, we’re going to record a little promotional hype style video. RSVP or tag your skater friend in the comments 🛼

A public skate night will be announced soon!

Such a pleasure to host this awards ceremony, celebrating the great passion our neighbors have. We want to thank our nei...
03/07/2026

Such a pleasure to host this awards ceremony, celebrating the great passion our neighbors have. We want to thank our neighbors and community for making Beloit a better place to live in.

BELOIT — The Downtown Beloit Association hosted more than 80 guests Thursday for a fairy tale happy ending to a successful and productive year.

Address

501 Prospect Avenue
Beloit, WI
53511

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