Starlink Maritime antenna setup involves selecting an optimal location on your vessel where the dish will have an unobstructed view of the sky. The antenna should be securely mounted to minimize movement due to wind or waves. After mounting, connect the antenna to the Starlink router using the provided cables. Power on the system, and use the Starlink app to complete the setup process. The app will guide you through the steps to ensure that the antenna is correctly aligned and activated for reliable internet access while on the water.