The 2024 Miami International Boat Show witnessed Yamaha Marine's groundbreaking introduction of a 450 hp hydrogen-powered V-8 outboard engine in a 26-foot hull manufactured by Regulator Marine. This innovative outboard featured a Roush Performance fuel-delivery system and three hydrogen fuel tanks, reflecting Yamaha's foray into sustainable marine propulsion. Despite the initial range estimations of 50 to 75 miles, experts acknowledge the technology is not yet optimized for mass consumption. Grant Suzuki, Yamaha's chief technology engineer, and Matt Van Benschoten from Roush emphasize the strategic importance of hydrogen in Yamaha's pursuit of carbon neutrality, alongside electrification and sustainable fuels. The article highlights Yamaha's earlier advancements with the HPDI system in the 1980s and its subsequent research on alternative fuels like hydrogen. Moreover, the National Marine Manufacturers Association's focus on lower-carbon fuels, including hydrogen, underscores the industry's commitment to environmental sustainability. By delving into the pros and cons of hydrogen-fueled power, the article navigates through the potential benefits and challenges of adopting hydrogen in marine applications. With Yamaha leading the charge in hydrogen-powered marine propulsion, the article paints a positive outlook on the future of recreational boating, hinting at a cleaner and more sustainable era for the marine industry.