Signiel Residence, located between the 42nd and 71st floors of the 123-story Lotte World Tower in Jamsil, Seoul, is Korea ’ s most luxurious and tallest residential complex with a total of 223 units. Several of the top floors (68 – 71F) are duplexes, and all units are integrated with premium hotel-level services provided by Hotel Signiel. The showcased unit is on the 45th floor, south-facing with lake views, and includes customized interior design and exclusive membership privileges.