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.

Happy to announce that yes, we are the location for the Edgar Allen Poe events next week. You can get your ticket at the...
06/10/2026

Happy to announce that yes, we are the location for the Edgar Allen Poe events next week. You can get your ticket at the door, but we highly advise you do so in advance via this link 🏰 🐦‍⬛

This chilling immersive experience, featuring themed cocktails inspired by Edgar Allan Poe's reimagined work, returns to Beloit, WI. Get your tickets today!

Had ourselves a real metal show last night. More pictures coming, more events in general, have an event you want to see ...
05/16/2026

Had ourselves a real metal show last night. More pictures coming, more events in general, have an event you want to see us host? Shoot us a message anytime

05/15/2026

Setting up for a metal show tonight. All local bands. 100% of the door goes to them, come rock with us

Slowly but surely, we’re adding more events to this amazing place, welcome to the Castle located in beautiful downtown Beloit

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

Address

501 Prospect Avenue
Beloit, WI
53511

Telephone

(608) 362-1583

Website

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