You must have an Iowa Registration Certificate and registration decals to legally operate a vessel on Iowa’s public waters. Exceptions: Inflatable vessels that are 7’ or less and canoes and kayaks that are 13’ or less and have no motor or sail.
Documentation necessary to register and title a vessel:
Iowa Boating Reference Guide
Iowa Department of Natural Resources
Editing: Affidavit for Unregistered or Untitled ATVs-Boats-Snowmobiles or ORVs.pdf (PDF File)Folder: Boats
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