This study aims to analyze coastal line changes and land use in the coastal area of Bandar Laksamana District, Bengkalis Regency. The methods used include analysis of Landsat 5 TM images (2004, 2009), Landsat 8 OLI/TIRS images (2014, 2019, 2024), and Sentinel-2A images (2019, 2024), processed using ArcGis 10.4 and validated in the field (ground check). The results show the dynamics of abrasion …