This paper presents a coordinated control strategy for a hybrid shipboard power system integrating multiple polymer electrolyte membrane fuel cells (PEMFCs) and battery energy storage system (BESS) units. The control strategy is developed to optimize the operational efficiency of PEMFCs, reduce hydrogen consumption, and stabilize the power system operation during dynamic load changes. A combination of master–slave and droop control methods is proposed to coordinate the outputs from multiple PEMFCs and BESS units while considering both system stability and efficiency. The developed model simulates the interaction between PEMFC as the primary power source and BESS as a support mechanism to ensure efficient and reliable power delivery. The simulation results validate the effectiveness of the proposed coordinated control strategy, demonstrating a 14.16 % improvement in system efficiency over conventional control strategies, with stable voltage tracking of the reference value throughout load variations. This study provides a robust framework for future applications of hybrid PEMFC/BESS systems in marine environments, contributing to the advancement of sustainable and efficient shipboard power systems. © 2025 Elsevier B.V.