The three properties are a Hampton Inn & Suites, a Westin and an Autograph Collection hotel.
Interior designer David Linley gave the spaces refined interiors with an individual style and character for each venue.
The phase involved a partial renovation of the lobby, repositioning the existing executive lounge and creating a restaurant.
The revamped property will be developed in partnership with Mohari Hospitality.
The three hotels consist of an upcoming Hyatt Place in Virginia, a Residence Inn by Marriott in Florida and a recently acquired hotel in Georgia.
The two hotels, both owned and operated by the Seminole Tribe of Florida, will reopen in October following $2.2 billion of expansions.
Bill Rooney Studio turned a former bar into The Millennium Park room, giving the property 11 meeting venues.
The country's government is seeking investors to turn historic buildings into hotels.
The lengthy project ended earlier this year after an overhaul to the lobby, restaurants, spa and golf clubhouse.
Each of the property’s rooms, including 28 suites, had a makeover designed by Concrete and by Krause Architects.