The following auction sites list boats, other vessels, aircraft, and other items for bid.

• General Service Administration (GSA) auctions - boats and marine equipment, aircraft and aircraft parts, and other types of government-owned excess property. Auctions may include military equipment.
• U.S. Treasury auctions - property forfeited by owners for tax evasion or other violations of Treasury law. Aircraft may be small planes, business jets, or helicopters. Boats include cabin cruisers, sailboats, and yachts. 
• U.S. Marshals Service auctions - various items seized by Department of Justice agencies and other federal agencies. Auctions often feature luxury motor yachts.