This study employs a multi-temporal geospatial approach to quantify the degradation of the Akkulam-Veli wetland system in Thiruvananthapuram, India, and investigates its direct correlation with increasing urban flood susceptibility. Analysing satellite imagery from 1995 to 2023, the study reveals a critical ecological decline, with total wetland area shrinking by approximately 81% (from 12.78 sq. km to 2.38 sq.