This Article examines the effect that the rise in popularity of personal watercraft has had on maritime law. It discusses the Calhoun decisions and reveals the disuniformity caused by those decisions. The Article notes that liveries that rent personal watercraft may face uncertain damage exposure in light of the outcome in Calhoun . However, liveries may reduce this exposure through their rental agreements and the Limitation of Liability Act. This Article concludes that the continuing rise in popularity of personal watercraft will continue to threaten the uniformity of maritime law. Education of the liveries by the maritime law community and the development of uniform contractual terms in the rental agreements are the best means of combating this disuniformity.