An overtopping wave energy converter and a flap-type wave energy converter are considered for implementation in front of a coastal structure protecting the bay of Saint Jean de Luz. The wave energy resource and the tidal conditions are first determined. The energy recovered by the two converters is subsequently estimated for different design and/or conditions of operations. An optimized design is proposed for the overtopping wave energy converter with a five levels reservoir. For the flap converter, the study investigates the optimization of the Power Take-Off (PTO) parameters, in order to maximize the energy recovered. The choice of PTO parameters is primarily guided by the requirement that the motion amplitude of the flap should remain within an acceptable range for all wave and tidal conditions.