It turns out that the Willamette is more than simply a liquid demarcation between the one percent and regular folk... in fact, Portland has a rich maritime heritage. Hence the name. Actually not hence the name, but that's another story.
As far as we know, this location is temporarily closed but has plans to reopen in the future.
If you find any factual innaccuracies in this post, please email me via richard at thingstodoinportland dot org so I can fix it for everyone. Thanks in advance!
Waterfront Park, SW Naito Pkwy & Pine St, Portland, OR 97204 [Google map].