 During this era, the hotel featured an outlet of the popular Polynesian themed Kon-Tiki Ports restaurant chain.A facade of lava rock adorned the northern wall along Grand Avenue, where today only a small section remains visible, tucked at the end of the balcony of Zest’s outdoor café.MAT Associates purchased the hotel from Sheraton in 1978, and brought in Radisson Hotels to manage the hotel, which was renamed the Radisson Chicago Hotel.