Hongsan Aquarium (홍산수족관) filming location

📍 서울 마포구 서교동 468-18 · Drama · Coordinates 37.55627, 126.91443

Hongsan Aquarium (홍산수족관) is located at 서울 마포구 서교동 468-18, where Switch: Change the World, Marry Me, Mary! was filmed. K-Drama and K-Pop fans visiting Korea can stand right where the scenes were shot. Below you will find the works filmed here with scene notes, plus the exact position and directions to plan your visit.