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Sand dune is a mound of a hill or igir from sand that is blown by the wind and is a natural formation because the wind process is called the eolean landscape (eolean morphology). (Adinugroho, 2010). Sand dune has important ecological functions such as preventing seepage of water (intrusion) into the groundwater layer, preventing abrasion, and as the first barrier (barrier) when a tsunami strikes. (Sungkowo et al. 2014). Gumuk Pasir Parangtritis becomes the study of exotic nature so that it becomes a tourist destination. The height of sandbanks that ranges from 20-25 meters above sea level can reduce tsunami damage that could potentially occur in the south of Java (Handayani, 2014). Development of Sand Dune and Land Use Changes at Gumuk Pasir Parang Tritis Beach. Gumuk Pasir is threatened because of land conversion. This Reasearch use analysis of remote sensing images and field surveys. Interpretation of land cover in high resolution images using Google Earth Pro and ArcGIS 10.3 software