The Global Market for water sports valued at approximately USD 40 Billion in the year 2023 would reflect a highly exponential growth in this forecast period ending 2032 at a CAGR of over 5%, mainly due to the popularity of this particular activity to enjoy as either for fitness purposes or as recreation for stress reduction. It explains how the water sports industry development under the sustainable growth of the blue economy through financial technologies works. Financed with the applications of blockchain and predictive analytics-based FinTechs and digital crowdfunding platforms, emerging eco-practices in the sports sector foster the development of initiatives for both sustainable sport and marine conservation activities. By involving sustainable finance within water sports, this sector would open the field of economic growth and contribute toward pressing global issues such as the health of oceans and, more importantly, environmental sustainability. This chapter covers FinTech's contribution to the widening opportunities in the water sports industry, mainly in ensuring ecological and Financial Sustainability while democratizing access to more water sports. With a perfect intersection of FinTech, Sustainability, and water sports, this chapter adds unique insights into comprehending resilient and inclusive strategies that benefit people and the planet.