Landmark Apartments are a 29 storey residential building comprising of 267 apartments, which includes 5 luxury penthouses and 8 basement levels for car parking.  Located at 348-354 Sussex Street in Sydney.  It completed in August 1998 the first eight floors area operated as the Radisson Hotel.

The Landmark developed by Ausbao Pty Ltd. mainly owned by the Beijing Real Estate Development & Managment Corporation of China.  The architects is Brewster Murray