Introducing the Hydra 530 model to River Boats UK! The Hydra 530 is the world’s first mono hull polyethylene boat with advanced air step technology. The Hydra 530 combines refined hydrodynamics, exceptional stability, and a fresh, modern design to deliver a confident and comfortable on-water experience, ideal for both new boaters and experienced users alike. The Ultimate All-Rounder for Speed, Stability, and Comfort. When choosing a boat, versatility is everything. You wa