Onion Creek Ballroom, Castilian Ballroom

About Venue

Onion Creek Ballroom is a beloved Austin venue known for its welcoming atmosphere, spacious interiors, and true Texas charm. Designed to host everything from weddings and quinceañeras to corporate celebrations and galas, it offers a beautiful setting where every detail feels thoughtful and personal. With multiple ballrooms of varying sizes, the venue makes it easy to find the perfect fit for any guest list or occasion.

Each ballroom brings its own character, from the grand Castilian with its polished hardwood floors and built-in stage to the more intimate Royal and Venetian rooms ideal for mid-sized gatherings. The spaces are versatile and easy to customise, allowing you to bring your unique vision to life. Whether you’re planning a lively dance party or an elegant seated dinner, Onion Creek provides the flexibility and warmth that make every event memorable.

Guests love the venue’s convenience and thoughtful amenities, which take the stress out of planning and hosting. Highlights include:
- Full bar service with professional staff
- On-site catering options or flexibility for outside vendors
- Private dressing areas for wedding parties
- Dedicated security for peace of mind

Located just south of downtown Austin, Onion Creek Ballroom combines classic style with modern comfort. It’s a place where celebrations feel effortless, guests feel at home, and memories are made to last.

*About this space:*

The Castilian Ballroom at Onion Creek Ballroom is the venue’s grandest and most elegant event space — perfect for weddings, quinceañeras, and large celebrations. With polished hardwood floors, a spacious dance area, and a full stage ideal for a live band or DJ, this ballroom sets the scene for unforgettable moments.

Designed with both beauty and convenience in mind, the Castilian includes a private dressing area, a dedicated catering space, and a fully staffed pay-as-you-go bar. Guests can enjoy seamless service and plenty of room to dine, dance, and celebrate in style. On-site sheriff’s deputies provide added peace of mind, ensuring your event runs smoothly and safely.

- Capacity: Up to 500 guests
- Venue Type: Ballroom
- Features: Hardwood dance floor, full stage, private dressing area, catering prep space, stocked bar, and separate entrance
- Catering: External catering allowed
- Amenities: Wi-Fi, ADA accessible, on-site security, ample parking
- Location: 9941 Old Lockhart Hwy, Austin, TX

The Castilian Ballroom offers timeless elegance and versatility, making it the ideal setting for grand celebrations with a true Austin flair.