The Flamingo-on-the-Lake Apartments, also known as the Flamingo Apartment Hotel, is a building located at 5500-5520 S. Shore Drive along Lake Michigan in the Hyde Park neighborhood of Chicago, Illinois. It was designed in the Classical Revival style. The building was added to the National Register of Historic Places on May 14, 1986.
Originally built with 144 apartments and 16 hotel rooms in 1927, it has a large outdoor pool, and is 18 stories tall. It and the adjacent building, The Promontory Apartments, a condominium designed by Mies van der Rohe are the furthest east buildings in Hyde Park. The Flamingo Apartments are immediately opposite to the lakefront park which has direct access to Promontory Point and the Lake Shore Bike Path via the 55th Street pedestrian underpass under Lake Shore Drive.