The hotel has 512 guest rooms including 25 suites, and 31 floors with two basements.

It was designed by Johnson Burgee Architects, and completed in 1996.

The hotel's carpark is shared with Millenia Walk.

Conrad Centennial shares the same laundry services with sister hotel, The Ritz-Carlton Millenia Singapore.

[1] During the COVID-19 outbreak in Singapore, the hotel served as a dedicated government facility to house returning travelers for their mandated Stay Home Notice (SHN).