The Prime Group

Aerial View of 150 E Ontario Street. Rendering by Lucien LaGrange Studio

Foundation Work Gives Way to Vertical Construction at 150 E Ontario Street in Streeterville

Taking ninth place in our year-end construction countdown, the 28-story hotel at 150 E Ontario Street is gearing up to rise in Streeterville. Developed by The Prime Group, the 345-foot-tall project will be the next location for the Spanish hotel brand RIU Hotels and Resorts, offering a total of 388 rooms. Additionally, a ground-level cafe will be situated at the southeast corner of the tower base.

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Aerial View of 150 E Ontario Street. Rendering by Lucien LaGrange Studio

Full Permits Issued for RIU Plaza Hotel at 150 E Ontario Street in Streeterville

Full permits have been issued for the RIU Plaza Hotel Chicago at 150 E Ontario Street in Streeterville. Located just east of the intersection with N Michigan Avenue, developer The Prime Group broke ground on the new tower earlier this year, replacing an empty lot. The property will be run by Spain-based RIU Hotels and is being designed by local architecture firm Lucien LaGrange Studio, who recently merged with Lamar Johnson Collaborative.

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Waldorf-Astoria Hotel and Residence Tower

Dead by Design #2 – Waldorf-Astoria Hotel and Residence Tower in Streeterville

Next in our procession of unbuilt Chicago skyscrapers is the Waldorf-Astoria Hotel and Residence Tower, a 107-story supertall that would have been located along North Park Drive, less than a block from the river in Streeterville. Compared to existing Chicago structures, if built, the mixed-use project would have been the third tallest in the city with a 1,265-foot height. More broadly, if it were built at the time of its proposal in 2007, it would have been the seventh tallest in the world. The Prime Group in partnership with Fordham Co. had planned for a three-year construction timeline starting in 2009 and wrapping up in 2012.

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