Event Room in Freeport, IL
At Big O’s on the hollow, we know how important it is to find the right setting for your special occasion. That’s why we’re proud to offer our private event room in Freeport, IL, a welcoming space designed for gatherings of all sizes. Whether you’re planning a family reunion, corporate meeting, birthday celebration, or wedding reception, our event room provides the comfort, flexibility, and delicious dining options that make every gathering memorable.
Located just off Route 20 on Illinois Route 75, our restaurant and event room are easy to find for both locals and guests traveling from nearby towns like Rockford, Galena, Lena, and beyond.
A Versatile Event Space in Freeport
Our private event room is designed to accommodate a wide range of group events. From intimate gatherings to larger celebrations, the layout is flexible enough to suit your needs. With comfortable seating, a warm atmosphere, and plenty of space to mingle, you can create the perfect setting for your occasion. Types of events we host include:
- Birthday parties and milestone celebrations
- Anniversaries and retirement parties
- Baby showers and bridal showers
- Wedding receptions and rehearsal dinners
- Graduation parties
- Corporate meetings, training sessions, and banquets
- Holiday parties and seasonal gatherings
With our spacious dining areas, including an outdoor deck and an additional dining room, we ensure there’s plenty of room for everyone. For weddings, we’ve successfully hosted groups of up to 50 guests, and smaller events feel just as at home in our space.
Catering to Match the Occasion
A great event deserves great food, and our catering menu is built to impress. From casual buffet-style meals to plated entrées, we customize each menu to match the tone of your event.

Buffet Options
Our buffet-style meals include favorites like taco bars, cold or hot sandwiches, and sides such as au gratin potatoes, baked beans, macaroni salad, and more. These are perfect for casual or mid-sized gatherings where variety and convenience are key.

Plated Meals
For more formal occasions, our plated meals bring out the best of Big O’s. Choices include smothered chicken, house-smoked brisket, grilled pork chops, Pacific cod, or our famous 16oz hand-cut ribeye. Each meal comes with two sides and a dinner roll, ensuring your guests leave satisfied.

Add-On Options
Looking for extra touches? We also offer fruit and vegetable trays, charcuterie boards, specialty soups, cookies, brownies, and dessert cakes to complete your spread. When you book with us, our team handles the details so you can focus on enjoying your event.
Why Choose Big O’s for Your Event?
We know you have choices when it comes to hosting an event, but our venue offers something truly special:
- Local Hospitality: As a family-owned business, we treat every guest like part of our community.
- Flexible Catering: From casual buffets to plated dinners, our menu can be tailored to your event.
- Spacious Setting: Our event room and expanded dining spaces can accommodate groups both large and small.
- Convenient Location: Just minutes from downtown Freeport and easily accessible from surrounding towns.
- Full-Service Support: From setup to cleanup, our staff is here to make your event stress-free.
Whether you’re hosting a corporate luncheon or a wedding reception, we combine great food with a welcoming atmosphere to create events that leave lasting memories.
Bringing the Community Together
Big O’s on the hollow has always been more than a restaurant—we’re a gathering place for the Freeport community. Over the years, our event room has hosted everything from holiday fundraisers to community club meetings, and we’re proud to play a role in helping people connect. Our central location and strong ties to local organizations make us a trusted partner for group gatherings across Stephenson County.
Frequently Asked Questions
How many people can your event room hold?
Do you provide catering for events?
Can I bring in outside food or desserts?
How do I book the event room?
Is your event room available year-round?
Celebrate with Big O’s on the hollow
At Big O’s on the hollow, we believe every gathering deserves a special setting. And with this in mind, our event room in Freeport, IL, is the perfect place to host your next celebration, whether you’re planning a birthday party, corporate event, or wedding reception. Plus, with flexible catering options, a welcoming atmosphere, and staff committed to making your day stress-free, we provide everything you need to create an unforgettable event.
So if you’re ready to plan your celebration, we invite you to reach out today to learn more about availability, menu options, and pricing. Let us do the work so you can focus on enjoying the moments that matter most. Remember: at Big O’s, we’re here to help you celebrate life’s milestones with great food, great service, and the community spirit that makes Freeport feel like home.