<P> Grand Hotel is a member of Historic Hotels of America, the official program of the National Trust for Historic Preservation . </P> <P> In 1886, the Michigan Central Railroad, Grand Rapids and Indiana Railroad, and Detroit and Cleveland Steamship Navigation Company formed the Mackinac Island Hotel Company . The group purchased the land on which the hotel was built and construction began, based upon the design by Detroit architects Mason and Rice . When it opened the following year, the hotel was advertised to Chicago, Erie, Montreal and Detroit residents as a summer retreat for vacationers who arrived by lake steamer and by rail from across the continent . The hotel opened on July 10, 1887 and took a mere 93 days to complete . At its opening, nightly rates at the hotel ranged from $3 to $5 a night (equivalent to $79.97--133.28 in 2016). </P> <P> In 1957, the Grand Hotel was designated a State Historic Building . In 1972, the hotel was named to the National Register of Historic Places, and on June 29, 1989, the hotel was made a National Historic Landmark . </P> <P> Carleton Varney, a protégé of Dorothy Draper, designed the Grand Hotel in its late 19th - century decor, including Pelargonium geraniums . Varney purposely designed the hotel so that all the rooms are different from each other in at least one aspect . There are four types of rooms: Category I, Category II, Category III, and Named Rooms . There are six two - bedroom suites consisting of two bedrooms connected by a parlor, of which two, the Grand Suite and the Carleton Varney Suite, overlook the Mackinac Bridge and the Straits of Mackinac . The presidential suite is located in the center of the hotel with a balcony over the porch . A detached structure added in early 2000 was named the Masco Cottage . </P>

How many rooms are in the grand hotel