This study presents a comprehensive application of finite-element based KENPAVE software for the analysis of flexible pavements which can be applied for offshore bituminous roads. Utilizing the advanced simulation capabilities of KENPAVE, developed at the University of Kentucky, this paper explores the effectiveness of various pavement designs under offshore environmental conditions, employing trial subgrade CBR values ranging from 5 to 10% for the traffic conditions of 10 msa and 150 msa. The analysis of vertical stress and deflections was evaluated at various coordinate points across the simulated pavement structure for different CBR values, using standard dual-wheel load conditions. The structural road designs for the analysis were selected from the second revision of IRC-37. The KENLAYER sub-package of KENPAVE was used to simulate the impact of material properties and loading conditions. Key results indicate that for flexible pavements, increased CBR values lead to reduced vertical displacements and stresses and improved load distribution capabilities. This research validates the utility of KENPAVE in offshore pavement engineering, offering insights into effective design strategies. The findings contribute to the broader discourse by demonstrating how advanced finite-element modeling tools like KENPAVE can be used to understand the performance of pavements in different conditions.