1. Spinal injuries during sea rescue require proper spinal immobilization but this is often forgotten due to the aquatic environment. 2. During a national disaster drill, rescuers experienced difficulties with spinal immobilization at sea due to rough conditions and lack of training. 3. Proper training on spinal immobilization techniques for aquatic rescues is needed to ensure rescuers can safely immobilize victims with potential spinal injuries despite challenges of waves, wind, and long distances to retrieve victims.