This Article explores the issues surrounding the Bert J. Harris, Jr., Private Property Rights Protection Act in the context of sea-level rise adaptation. Since the Florida Legislature passed the Bert Harris Act a quarter century ago, there has been growing concern over the effects of sea-level rise. Given that the Florida Legislature has not provided increased protection from potential Bert Harris Act liability to local governments dealing with sea-level rise, local governments ought to evaluate how sea-level rise may lead to liability under the Bert Harris Act. This Article examines the Bert Harris Act and analyzes Florida case law pertaining to the Act. The Article provides analysis of both the procedural and substantive aspects of the Act, including summaries of potential procedural and substantive defenses to a Bert Harris Act claim. Additionally, the Article provides lessons for local governments to consider in addressing potential liability under the Bert Harris Act. The Article primarily focuses on analyzing the Act’s impact on local governments and their ability to utilize various land use planning tools for adapting to the increased risk of rising sea levels along Florida’s coasts.