The National Maritime Museum is the first comprehensive marine museum in Korea, and it is Korea’s representative ocean platform that connects marine culture and people and expands the culture of the ocean widely. The National Maritime Museum MI concisely expressed the identity of the museum based on the abbreviated MMK. The overlapping of lines and lines reflects the identity of the museum, which internalizes the image of the ocean, builds up the history of the ocean, continues the culture, and leads to future values. Through black colors combined with all colors, the place where various marine cultures meet and coexist is expressed as a symbolic and modern museum image.