Top O'Fallon Venues
90 results near O'Fallon, IL
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Choosing your event venue will be one of the most important steps in the planning process. So much goes into finding the perfect venue in O'Fallon. You’ll want to consider everything from the aesthetics of the space to any in-house amenities and services. Luckily, PartySlate makes it easy with our Find Venues page. Use the filters to narrow your search — taking into account everything from your guest count to specific catering preferences. Once you’ve set your filters, scroll down to search our curated list. Look for the “featured” tag for PartySlate’s top recommendations. With PartySlate, finding your ideal O'Fallon venue has never been easier.

Great Big Game Show
3730 Foundry Way, St. Louis, MO 63110, USA- Spaces for 14 Guests
At City Foundry STL, compete live as contestants on a fully lit, music-pumped soundstage—two teams battle through 18 rotating mini-games, from trivia and prop challenges to speed tests and strategy face-offs. With studios for 2–14 players and youth-friendly pricing, sessions last about 75 minutes including check-in. Expect high-energy fun, a friendly host, and ever-fresh gameplay that’s ideal for groups and social sharing.
Edwardsville Le Chateau
5502 IL-159, Edwardsville, IL 62025, USA
Eden 314
6321 Clayton Ave, St. Louis, MO 63139, USA- Spaces for 98 Guests
- 1 Event Space
- 1 Art Gallery
- 1 space at this venue
Step into a beautiful, peaceful Garden of Eden–themed space designed to make every gathering feel special. With warm, elegant lighting and your choice of lounge-style or table seating, our venue creates the perfect atmosphere for connection, celebration, and unforgettable moments. Host your next private party, concert, bridal shower, baby shower, graduation party, or special event with us — and let us help you bring your vision to life. We’ve created something for everyone: • A cozy kids’ room for the littles • A fully equipped game room for the gamers • A fun rec room for those who love to play and unwind Whatever the occasion, our space is designed to inspire joy, peace, and community.

The Courses at Forest Park
6141 Lagoon Dr, St. Louis, MO 63112, USA- Spaces for 50-300 Guests
- 1 Ballroom
- 1 Outdoor
- 3 Total Spaces
The Courses at Forest Park is a public golf and event destination set within Forest Park, one of the nation's largest urban parks, minutes from downtown St. Louis. Originally established over a century ago and redesigned in the early 2000s by Hale Irwin's firm, the facility features 27 holes across three distinct nine-hole layouts — Hawthorne, Dogwood, and Redbud — alongside an award-winning clubhouse with panoramic views of the course, a lake, and a waterfall. The clubhouse hosts weddings, corporate functions, fundraising galas, and social celebrations for up to 300 guests. The Champions Room features floor-to-ceiling windows, 16-foot ceilings, and a skylight, with a garden trellis for outdoor ceremonies and a covered verandah overlooking the fairways. For smaller gatherings, the Golf School Room accommodates up to 50 with a fireplace and private entrance, and the Tournament & Event Pavilion seats up to 180 with an outdoor fireplace, cooking station, and full sound and lighting. Dedicated event coordinators and customizable catering are available for all occasions.

Oakland House Museum
7801 Genesta St, St. Louis, MO 63123, USA- Spaces for 250-300 Guests
- 2 Historic Spaces
- 2 Estates
- 2 Mansions
Built in 1853, the historic Oakland House offers an exclusive St. Louis wedding venue with beautiful grounds, exquisite renovations, and amazing photo opportunities to capture wedding memories. While we are a most popular wedding venue, we are also avaliable to host your other special occasions as well. Contact our caretaker with any questions you may have or to discuss booking. As a community resource, we also offer special events monthly to the public.
Avg response time 1-2 days
Worman Law LLC
222 S Meramec Ave suite 203, Clayton, MO 63105, USAWorman Law LLC specializes in criminal defense and litigation. We are prepared to assist you and your loved ones in criminal and civil legal proceedings at all stages, no matter how complex. We are your expert DWI lawyers St Louis.

The Ritz-Carlton, St. Louis
100 Carondelet Plaza, Clayton, MO 63105, USA- Spaces for 40-1,200 Guests
- 3 Hotels
- 1 Outdoor
- 3 Total Spaces
Set against the backdrop of glittering chandeliers, romantic Juliet balconies, and a dramatic fountain, The Ritz-Carlton, St. Louis offers the complete wedding experience. The venues at this luxury hotel can host celebrations of all sizes, from an intimate rehearsal dinner in The Wine Room to a lavish reception for 800 guests in The Ritz-Carlton Ballroom. Guided by a team of talented planners, couples can select the perfect venue, decor, and menu for their wedding events.
Avg response time 12-24 hrsThe Indoor Earthworm
510 W Hwy 50, O'Fallon, IL 62269, USAAs our name implies, Indoor Earthworm in O’Fallon IL is an “indoor grow store”, selling all the hydroponic supplies and soil supplies you need to grow vegetables, herbs, and other plants indoors.

Gateway Center
1 Gateway Dr, Collinsville, IL 62234, USA- Spaces for 1 Guests
Gateway Convention Center is a multi-purpose event facility in Collinsville, Illinois, offering approximately 50,000 square feet of flexible space suited for gatherings of 20 to 3,200 guests. Anchoring the Eastport Plaza hospitality district and accessible from five interstates, the center sits about 10 minutes from downtown St. Louis — making it a practical choice for regional events drawing attendees from across the metro area. Originally built in the mid-1980s as part of an Illinois state initiative and expanded three times since — most recently in 2006 — the facility is now operated by the City of Collinsville. It hosts more than 300 events annually, spanning consumer expos, trade shows, corporate meetings, weddings, galas, and black-tie affairs. The center's column-free Main Exhibit Hall provides wide-open space for large-scale productions, while a ballroom and conference wing accommodate banquets, receptions, and breakout sessions. In-house services include catering, audio-visual production, décor, and technology support, with complimentary parking for all guests.

Tri-Township Park District Community Center
409 Collinsville Rd, Troy, IL 62294, USA- Spaces for 250 Guests
Tri-Township Park District Community Center is a public park and recreation facility in Troy, Illinois, offering a range of indoor and outdoor event rentals alongside year-round community programming. The property encompasses multiple rental venues — including an Activity Center, a Community Center with separate upper and lower levels, a lakeside Gazebo, and 14 covered pavilions — giving groups everything from intimate shaded gatherings to larger indoor celebrations. The park's setting along a lake, with walking trails, mature trees, and a footbridge, provides a scenic backdrop for outdoor events. The Gazebo, positioned across from the Community Center and overlooking the lake, is suited to outdoor weddings and musical presentations, with a raised platform, electric service, lighting, bench seating, and ramp access. Pavilion #1, the largest at 50 by 100 feet, comes equipped with 20 picnic tables, lights, water, electric, and private restrooms. Throughout the year, Tri-Township hosts community gatherings ranging from seasonal festivals and holiday celebrations to craft fairs and sports leagues, making it an established venue for the Troy, Illinois area.

Missouri Athletic Club
405 Washington Ave, St. Louis, MO 63102, USA- Spaces for 20-400 Guests
- 3 Ballrooms
- 1 Event Space
- 8 Total Spaces
The Missouri Athletic Club is the foremost athletic, dining, business, and social club serving the St. Louis region. Recognized as a Platinum Club of America, an award given to the top 5 percent of private clubs in the United States of America, shows how committed the Missouri Athletic Club is to innovation, management, customer service, and giving all guests the best possible experience upon entering the club. In addition, the Missouri Athletic Club has more than twenty beautiful event spaces that accommodate a variety of groups up to 400, to hold your next big event, ranging from meetings or conferences to weddings and social events.

Ruth's Chris Steak House St. Louis
315 Chestnut St, St. Louis, MO 63102, USA- Spaces for 14-100 Guests
- 5 Restaurants
- 5 Hotels
- 1 Meeting Space
Ruth's Chris Steak House St. Louis occupies a prime position inside the Hyatt Regency Hotel in downtown St. Louis, steps from the Gateway Arch and with unobstructed Arch views from select tables. A family-owned franchise in operation since 2009, the restaurant centers on hand-cut steaks served sizzling on 500-degree plates and a consistent standard of attentive, fine-dining service. Five private dining rooms give groups a range of options. The Boardroom seats an intimate party of 14 for executive dinners or focused meetings, while Ruth's Room and the Napa room scale up to 25 and 30 guests respectively, suited to business gatherings and private celebrations. The Sonoma room accommodates up to 60, and the combined Napa and Sonoma space opens to 100 guests for larger receptions and events. All private rooms are offered with no rental or technology fees and come equipped with HDTVs and sound systems.

Magnolia Hotel St. Louis
21 N 8th St, St. Louis, MO 63101, USA- Spaces for 16-220 Guests
- 8 Hotels
- 5 Ballrooms
- 3 Meeting Spaces
Built in 1924 as the Mayfair Hotel by Charles Heiss, the Magnolia Hotel St. Louis has anchored downtown St. Louis for a century. The hotel is widely credited as the birthplace of the "chocolates on a pillow" tradition and now operates as a Tribute Portfolio property 200 feet from America's Center Convention Complex. The Magnolia Ballroom occupies the hotel's second floor, offering 4,426 square feet with 12-foot ceilings, stately columns, intricate chandeliers, and floor-to-ceiling windows overlooking the historic Old Post Office Plaza — accommodating up to 250 guests. The ballroom divides into four named sections (Ballroom A through D) for smaller or multi-room configurations. The Julia King, Truman, and Heiss Boardroom offer meeting-room setups for groups from 16 to 50 guests. Events are supported by the hotel's dedicated sales team and on-site culinary team. Robie's Food & Drink serves all-day dining on-site, and complimentary WiFi and valet parking are available throughout the event floor.


City Museum
750 N 16th St, St. Louis, MO 63103, USA- Spaces for 40-400 Guests
- 4 Museums
- 1 Outdoor
- 4 Total Spaces
City Museum occupies a former shoe factory in downtown St. Louis, transformed by internationally acclaimed sculptors Bob and Gail Cassilly into an artist-built playground and event destination unlike any other. The building's industrial bones have been reshaped with salvaged architectural elements, mosaic floors, giant sculptural installations, and a 10-story slide that winds through its interior and exterior — all assembled from the materials cities leave behind. For private events, the museum offers five distinct rental spaces accommodating groups from 25 to 4,000 guests. Each venue carries its own character: the oceanic murals and aquarium of the First Floor & Mezzanine, the double vault doors and mirror hallway of the Vault Room, the salvaged facades and hardwood dance floor of Architecture Hall, a historic frontier log cabin beneath MonstroCity, and a 10th-floor corner meeting room with citywide views. Museum admission is included for guests on the day of the event, and the team works with both in-house catering and outside caterers.

St. Louis Union Station Hotel
1820 Market St, St. Louis, MO 63103, USA- Spaces for 600 Guests
Opened on September 1, 1894, St. Louis Union Station was the world's largest and busiest passenger rail terminal, designed by architect Theodore Link in the Romanesque Revival style with a signature 230-foot clock tower. The station served 22 railroads at its peak and expanded in 1904 to welcome millions of visitors to the St. Louis World's Fair. Designated a National Historic Landmark in 1970, the complex underwent a $150 million restoration — described as the largest adaptive reuse project in the country at the time — before reopening in 1985. Today the property operates as a full-service hotel and event destination in downtown St. Louis. The event facilities encompass more than 100,000 square feet, anchored by The Midway, a 43,000-square-foot hall beneath a steel-trussed glass roof that fills the space with natural light for gatherings ranging from intimate weddings to large-scale trade shows. The Grand Hall, rising 65 feet at its tallest point, features sweeping archways, fresco and gold leaf detailing, mosaics, and art glass windows from the station's original 1894 construction. Four ballrooms provide additional settings for weddings, galas, and private celebrations.

Chatillon-DeMenil Mansion
3352 Demenil Pl, St. Louis, MO 63118, USA- Spaces for 60-120 Guests
- 1 Event Space
- 1 Historic Space
The Chatillon-DeMenil Mansion is a Late Greek Revival historic house museum in St. Louis, Missouri, dedicated to preserving the stories of the founding families of St. Louis and Carondelet. The property documents a remarkable range of histories: a nationally recognized Western explorer, relatives connected to an Oglala Sioux leader, the founder of St. Louis's first drugstore chain, and a literary scholar who helped direct the 1904 World's Fair. Underground caves beneath the grounds carry their own distinct historical narrative. The mansion survived threatened demolition for a highway through dedicated restoration, and now stands as one of the city's recognized examples of Greek Revival architecture. For private events, the mansion opens its historic Carriage House with kitchenette access and its surrounding outdoor grounds to groups of up to 100 guests. Indoor seated dining accommodates up to 60, with the outdoor patio hosting an additional 50. Rental packages include tables, chairs, and tablecloths, with five- and eight-hour options available.


SqWires Restaurant
1415 S 18th St, St. Louis, MO 63104, USA- Spaces for 40-200 Guests
- 2 Restaurants
- 2 Historic Spaces
- 1 Loft
SqWires Restaurant & Market occupies a restored 19th-century wire factory in the Lafayette Square historic district of St. Louis — a women-owned restaurant and event venue open since 2001. Owner Bethany Budde-Cohen shaped the space around her family's passion for cooking and community, preserving industrial-era details including exposed brick, high ceilings, a handcrafted steel fireplace, and artwork by Mary Sprague. A garden patio opens spring through fall, and live blues and jazz anchor the venue's evening programming. The venue hosts weddings, rehearsal dinners, corporate events, showers, and social gatherings across two distinct private spaces. The Front Room accommodates up to 40 for a seated dinner or 75 for a cocktail reception, with optional access to the West Patio. The Annex scales to 150 for plated dinners or 200 for cocktail-style events, featuring abundant natural light, bistro lighting, and a loft mezzanine. Both spaces are staffed by in-house event coordinators and a culinary team focused on seasonal, locally sourced ingredients.

Baymont Inn & Suites
20 Central Blvd, Highland, IL 62249, USA- Spaces for 25 Guests
Seasons Inn & Suites Highland is a boutique hotel in Highland, Illinois, located 30 miles east of downtown St. Louis off I-70 at exit 24. The property offers meeting rooms and a business center suited for small gatherings, corporate meetings, and private functions. The hotel provides complimentary breakfast, an indoor pool, a fitness center, and free parking — including RV parking — making it a practical choice for out-of-town guests attending an event. Pet-friendly accommodations are available, and eight room types, ranging from king rooms to family suites sleeping up to six guests, give event planners flexibility when arranging overnight stays for attendees.