The 2,600 sq ft apartment, which is designed with an elegant mix of marble and concrete, has four bedrooms, four bathrooms and a 4,500 sq ft private rooftop garden.
It boasts stunning views of the surrounding greenery and the Seoul skyline.
The upscale neighbourhood has earned a reputation as a village for celebs thanks to the many actors and K-pop stars calling it home.
Celeb residents include K-pop mogul JYP and actresses Han So Hee and Oh Yeon Seo.
According to reports, the value of Hyun Bin’s penthouse has risen about 7bil won (S$2.2mil) in the past four years and the actor has engaged an agent to list the property.
Now all eyes are on where the celeb couple will move to next.
The couple are known to be savvy investors and reportedly have a combined US$25mil (S$38mil) worth of property.
In 2013, Hyun Bin bought a building in the posh Cheongdam-dong for US$4.3mil (S$45.8mil) and spent a further US$2.4mil (S$3.35mil) to transform it into a swanky residence. The building is now worth around US$8.9mil (S$12mil).