[5] Hong Kong business magnate Li Ka-Shing purchased the hotel from Campeau in 1981.

The hotel also features the Harbour coffee bar, and Savoury, a private chef's table.

[10] A convention centre building is attached to the hotel on the north side of Queens Quay and is accessible via an elevated glass walkway.

The convention centre offers 31 rooms, including the 24,990 square feet (2,322 m2) Metropolitan Ballroom.

The Westin Harbour Castle Hotel has been used for several ceremonies, including the presenting of the 32nd Genie Awards.