The pebble beach of Torre del Porto (Italy) was affected by a huge erosive phenomenon during the last 30 years. The causes which led to the erosion and the design lines through which to obtain the re-naturalization have been identified. Following a new methodological approach, the project consisted of entrusting assorted rubble pebbly stones with a proper size to the area. In this way the natural formation process could unfold again its effectiveness and the beach is get back. The monitoring of the sediment transport was essential to provide the information about the correct results of prediction and analysis of the nourishment. The methodology, results and monitoring phases are described in this paper.