Martín-Prieto JA, Roig-Munar, FX, Pons GX, Rodríguez-Perea A., Alvarado, M. and Mir-Gual M. 2013. Description of erosion processes in Spratt Bight (San Andrés Island, Colombia) using Sequential End Point Rates (EPR). San Andrés is a coral island located in the Colombian Caribbean, 700 km northwest of the main land. Twelve kilometers in length and three kilometers in width, it is one of the most populated islands with 2.612 inhabitants per square kilometer. Its economy is based on tourism. Despite being protected from storms and