HighSpeedAmphibians Home About Gibbs Sports Amphibians Inc is the world leader in high speed sports amphibian technology. Headquartered in Michigan, USA; from 2013-2016, we pioneered the production of high speed sports amphibians with the Quadski & Quadski XL. Over 1000 vehicles were produced, and these are now all sold. Quadski production is now finished & there are no new vehicles…
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