More details were released in May about the forthcoming Thompson Hotel, set to open at 506 San Jacinto St., Austin, in late summer.

The Sienna at the Thompson will offer 331 apartment rental homes from floors 15 through 31 of the building encompassing 770,053 square feet at 501 Brazos St., Austin.

The project comes from Chicago-based Magellan Development Group, according to a news release, in partnership with BLG Capital Advisors, Geolo Capital and Wanxiang America Real Estate Group. The residences will be a mix of junior one-, one- and two-bedroom units. The average monthly lease will be $2,636, according to the release.

Meanwhile, Chicago-based Land and Sea Department will also be opening a new restaurant on the fourth floor of the hotel. The group's restaurants include Longman & Eagle, Parson's Chicken & Fish, Lost Lake and multiple concepts within the Chicago Athletic Association hotel.

Previously, it was announced that Mashama Bailey and Johno Morisano will bring their Savannah-based restaurant The Grey to the hotel with a diner and market.