According to the Winthrop Alumni website, there is a discount for the Hilton Garden Inn:
"Hilton Garden Inn Rock Hill
Reserve a room for your next visit to the Rock Hill area. Use the 'Winthrop Family and Friends' rate at the Hilton Garden Inn located approximately five miles from campus. Book online using corporate code 1362870 to receive your discount or call 803/325-2800 and ask for the 'Winthrop Family and Friends' rate. Discounted rates based on room availability."