The Chicago Marriott Oak Brook, located just outside Chicago, has unveiled a new 11,040-square-foot ballroom, the largest in Oak Brook, Ill., management says.

The $1.7 million dollar renovation included high-tech lighting and sound systems, complemented by custom wall coverings, carpeting and artwork.

The hotel is home to 18,600 square feet of versatile meeting space, 350 guest rooms and suites with a state-of-the-art connectivity panel--enabling guests to work, watch and listen simultaneously--three restaurants and lounges, an indoor pool and a fitness center.