More information on Google's mysterious barges has popped up, revealing a much more ambitious plan than initially thought. Following up on a report from earlier this week, documents submitted to the Port of San Francisco outline an initiative that Google envisions to be an "unprecedented artistic structure" that will sport a number of gigantic sails and float around to different ports in the Bay area. The structure is described as a 50-foot-tall, 250-foot-long floating building containing sails "reminiscent of fish fins, which will remind visitors that they are on a seaworthy vessel."

Unfortunately, the barges don't sound like they'll be used to specifically showcase upcoming Google projects. Instead, they'll be designed for local organizations as a platform to gain visibility and engage with guests. In the documents, filed by By and Large, the barge's purpose is to inspire conversation "about how everything is connected—shorebirds, me, you, the sea, the fog and much more."

Once the barges are operational, the plan is to sail from spot to spot around San Francisco Bay, including Fort Mason, Angel Island and Redwood City. Backers of the project expect it to draw 1,000 visitors each day, and it will stay at any given location for a month at a time. As of now, plans are preliminary, and a San Francisco Port spokeswoman said nothing is concrete; plans are still going through an approval process with the Bay Conservation and Development Commission.

Earlier this week, Google fessed up to the project and said the barges be used as spaces where "people can learn about new technology" and that they aren't floating party platforms for rich customers. The new documents also reveal there will be a huge local element. Eventually, the Bay area barge will make its way down to other West Coast ports, including those in San Diego. Until then, we only have some preliminary documents to go on, though what the barges will look like on the inside is still a mystery.