Maritime wireless communications is a specialized academic research field dedicated to the study, design, and implementation of wireless communication systems operating within the maritime environment. This domain investigates radio wave propagation characteristics over water, satellite and terrestrial network architectures for ships and offshore structures, networking protocols optimized for mobile maritime nodes, and the design of robust communication equipment resilient to harsh marine conditions. Key characteristics include addressing unique propagation challenges, platform mobility, limited spectrum, and critical reliability requirements for safety and operations. Its significance is paramount for navigation, safety, operational efficiency, and providing essential connectivity across global waterways.