They record driver's license info for EVERY person who goes in, and provide that info to SPD's Vice Squad, in addition to doing their own moral policing.If the person you're "tubbing" with has gone there with other people, that information will be flagged, and you run the risk of being publicly accused of engaging in prostitution in a lobby full of kids and soccer moms, being "banned for life," and having the cops connecting your name and driver's license number to illegal activities.
It happened to me, when I agreed to meet a popular provider there.
You're MUCH better off getting a motel room.