The building entrance to Marquette Place at 1314 Marquette Avenue in Minneapolis is on the NW corner of Marquette Avenue and Grant Street. You may enter there and use the phone in the foyer to contact the concierge, who will buzz you in. Enter the lobby, go to the left and take any of the 3 elevators up to the 35th floor.
The best ramps for attendees to park in are the Millennium Hotel and the Hyatt Hotel ramps (entrances on Nicollet just north of the intersection of Nicollet Avenue and Grant Street) or in the Convention Center ramp (entrances on both 12th Street between Marquette and 2nd Avenue and on southbound 2nd Avenue just south of 12th Street. NOTE THAT THE NORTHWEST SPORTSHOW IS TAKING PLACE ON SATURDAY, AND THE CONVENTION CENTER GARAGE, AS WELL AS THE OTHER NEARBY RAMPS, WILL LIKELY HAVE EVENT PARKING PRICES IN EFFECT!