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The goal of this project was to design and build a 100:1 scale model of a spar buoy floating wind turbine. This report details the design process used to create the spar buoy, as well as a mooring system. A preliminary design for adding rotating blades to the nacelle is also described. The components were modeled in SolidWorks, then machined using either a rapid prototyping machine or machine tools. A system of accelerometers, inclinometers, and load cells which were developed by a concurrent master’s thesis project was implemented into the model to collect data during the testing phase. Models were tested in fresh water to determine draft, buoyancy, and the spar-buoy response to differing wave heights and frequencies. One round of testing, conducted at Alden Research Laboratory in Holden, Massachusetts, was performed on the spar buoy while anchored to the base of the water flume. Future testing using the developed scale model will implement the rotating blades and model the gyroscopic and thrust effects on the spar buoy