Preventing seasickness without medication relies on managing your sensory inputs to reduce the "mismatch" between what your eyes see and what your inner ear feels. The most effective natural technique is to fix your gaze on the horizon, which provides a stable visual reference point for your brain. Position yourself in the middle of the boat, where the rocking motion is least intense, and stay on deck to ensure you have a constant supply of fresh air, as stuffy cabins and diesel fumes can quickly trigger nausea. Dietary choices are also crucial: avoid heavy, greasy, or acidic foods before and during the trip, and instead opt for bland snacks like crackers or ginger-based products. Ginger is a scientifically backed natural remedy that can be consumed as tea, candies, or raw. Some travelers also find success with acupressure wristbands (like Sea-Bands), which apply pressure to the P6 point on the wrist. Finally, avoid reading or looking at screens, as focusing on a stationary object close to your face while your body moves can rapidly exacerbate the symptoms of motion sickness.