Bal Harbour Shops in Miami-Dade County, a premier luxury mall featuring swanky brands such as Chanel, Gucci and Tiffany, is getting into the affordable-housing business.

Whitman Family Development, the shopping center’s owner, filed plans with the city on Tuesday to build a roughly 20-story luxury hotel and three residential towers with 600 units within the complex. One building with about 240 units will be reserved for workforce housing, as part of Florida’s new housing law known as the Live Local Act.