From Argosy Cruises:

During this 1-hour cruise around Elliott Bay, experience all the beauty and history Seattle has to offer. Spend time with a local guide, learning about Seattle’s historic waterfront and getting an up-close look at one of the west coast’s largest shipping terminals. Take in the view of the city’s skyline with a spectacular panoramic background of the Cascade and Olympic mountain ranges, including majestic Mount Rainier, making for the perfect photo op.