I am hoping someone can help me out with hotel options near Millenium Park (up to about a half mile walk).    I will be visiting in the spring and am looking for a 3.5 to 4.5 star hotel with great restaurants  nearby, and most importantly, a hotel that doesn't require me to meet any visiting friends in the lobby...a place where my guests can come straight to my room.

Please PM with any thoughts.  Please do not name any hotels publicly.

Thanks in advance for your help!