"A dozen protesters on surfboards blocked Hawaii's Superferry from docking for two hours on Sunday," according to the AP, via Yahoo News. The protesters are worried about the ship's environmental impact.
Earlier: Budget Travel's story on the new Superferry.
Related: Here's a report on the protest from a local TV news show:
Update 8/28: The protesters win! A judge has put a temporary halt on Superferry trips, according to CNN.com.