The 515-room Salt Lake Marriott Downtown at City Creek today announced the completion of the first phase of a multi-million-dollar renovation that will transform and upgrade the hotel to like-new status. During this phase, the top-to-bottom project focused on completely revitalizing all guest rooms, hallways and bathrooms. The hotel is owned by DiamondRock Hospitality Company and operated by HEI Hotel & Resorts, a leading hospitality investment and management company.