The tour of Elliott Bay was nice and fairly informative, although the jokes were corny. In fact, a different Tour Guide told the exact same joke just the day before!
You line up in Disney-like lines at the Harbor. IF YOU HAVE A THIRD PARTY TICKET, you need to go into the Office and trade it in for a Boarding Pass. My husband and I are seniors and we both have mobility and standing issues. We stood in line for 15 minutes, maybe 20. Staff was there but not once did they bother to inform all of the people standing in line that they would need to trade their tickets in for Boarding Passes; not until it was time to start boarding THEN they told us. Thanks a lot. We had to get out of line, losing our places, walk to the Office, stand in line, trade our tickets in, then get back into the still-long line. How about informing people long before you start boarding? That way, one can hold the place in line and the other can go into the Office.
We were herded like cattle. Bench seats were okay, but facing away from the windows. The chairs that faced the windows were small metal chairs with plastic seat cushions; very uncomfortable.
Lots of families and crying babies -- even in the bar which is not in fact a bar. It's a place to buy drinks and snacks on one of the decks. It is not a traditional kid-free-zone type of bar.
It doesn't cost a lot, so is worthwhile just be sure to trade your third party ticket in before getting into line; and be prepared for long lines, being herded like cattle, and noisy children.