Mike's Boating Page - Photographs of different kinds of human powered boats and stories about outings and races with them. - http://snorlax.lampi.org/mike/boating.html
Decavitator - History, specifications, manufacturing methods and other information related to a human-powered hydrofoil. - http://lancet.mit.edu/decavitator/
ISR - International Submarine Races - Annual competition on engineering design featuring university teams. Offers press release archive, newsletters, sponsors and links. - http://www.isrsubrace.org/
Human Powered Boats - Features photo gallery of categorized watercycles along with a competition and events calendar, classified ads, and a link gallery. - http://www.humanpoweredboats.com/
World of Waterbiking - A non-profit portal for the Human Powered Vehicle Society provided by Delft Waterbike Technology, The Netherlands. Features racing events calendar, press releases and articles, design information, teams and boats, and links. - http://www.waterbiking.org/
Nomadic Research Labs - The story and evolution from Behemoth to Microship, water-type HPVs. - http://www.microship.com/