Due to the humid working environment, shore power systems for ships should eliminate exposed conductors as much as possible. Non-contact wireless charging technology does not restrict the free movement of ships and provides more flexible charging options, making it highly promising in the shore power field. Ships require wireless charging systems to deliver high power while adhering to stringent magnetic field regulations to ensure the safety of personnel. However, existing land-based wireless charging magnetic coupler structures generate strong leakage fields when transmitting high power. To address this safety challenge, this paper proposes a novel ferrite shielding design. By utilizing a new structural arrangement of high-permeability ferrite materials, magnetic field leakage is effectively suppressed during high-power charging of ships. A complementary wireless charging mode is proposed to ensure magnetic field safety under various charging conditions. To demonstrate the magnetic shielding advantages of the proposed structure, an experimental setup for the ship wireless charging system was constructed. The results show that at an operating power of 11 kW, the average magnetic field leakage at a distance of 200 mm from the center of the ship-side coil complies with the stringent 6.25 μT public exposure limit set by ICNIRP (1998), proving the effectiveness of the proposed shielding design. The power density of the coupling mechanism reaches 1.2 kW/dm2.