Occupying a historical building that opened as a theater in the 1870s and was converted into a hotel in 2002, Brussels Marriott Hotel attracts travelers seeking a central location and amidst historical buildings and the city's principal visitors' attractions. The hotel's two-story marble-floor lobby is lively day and night.

A 24-hour complimentary fitness center contains cardio and weight machines as well as men's and women's locker rooms with saunas. Attendants staff the hotel's business center from early morning to late night, providing fax and photocopying services. The center includes two computers offering high-speed Internet access. In warm weather, Bar de la Senne serves cocktails and bar food at pavement tables.