The YWCA-Rolling Bay route was a shipping route that originated from Seattle, Washington.
The route included stops on the east side of Bainbridge Island, Washington at the YWCA summer camp (a Boy Scout camp and a riding camp were also located nearby) and at Rolling Bay.
[1] As of January 1, 1917, the Kitsap County Transportation Company was operating steamboats on the route.
[2]