This book explores the world of Point Absorber Wave Energy Converters (PA-WECs), offering a comprehensive exploration of their design, performance optimization, and application in harnessing wave energy for sustainable power generation. This book provides readers with valuable insights into novel buoy geometries, scaling algorithms, and non-linear power take-off modeling, emphasizing their impact on increasing power absorption efficiency from ocean waves. Featuring a blend of theoretical analysis and practical experiments, this book uniquely combines advanced modeling with real-world validation, making it a valuable resource for both researchers and practitioners in the field of marine renewable energy. With its rigorous scientific approach and practical applications, this book is emphasized to benefit graduate students, researchers, and professionals interested in point absorber wave energy technology, making it an essential reference for those looking to contribute to the development of clean and sustainable marine energy solutions and fulfilling the goals of sustainable development put forward by United Nations in 2030.