Ocean waves are one of the energy resources which have potential to fulfil some parts of the world’s energy requirements. Recently, existing OWECs have been evaluated to ﬁnd the most appropriate systems for the wave energy extraction of the Caspian Sea. Hence, point absorbers are found to be the most appropriate devices for this sea. Generally, the aim of this study is to study a novel ocean wave energy converter named “Searaser” which may be economical and practical for the Caspian Sea. Thus, this study presents a numerical simulation of Searaser inside a wave tank using commercial software (Flow-3D). In order to validate the simulations, the numerical and experimental results were compared with a point absorber and the both were in reasonable agreement. Afterwards, the performance of Searaser was numerically calculated for different heights of ocean waves. Accordingly, the obtained results indicate that the output flow rate and the power generation increase significantly by increment of wave heights, and using this device may have the potential to be practical and profitable for industrial applications by improving its system.