The Grand Hotel and Residences WebAdminJuly 7, 2019 Biscayne Bay, FL – (Formerly Marriott now a Double Tree) A 42-story tower with 150 hotel rooms and 800 condos and retail shops . 2.2 million sq. ft building with first smoke evacuation system and first stack vault design in Miami. Project TagsCondominiums & RentalsHotels Share this Project