One Biscayne Tower is an office skyscraper in Miami, Florida, United States. It is located on the eastern edge of Downtown Miami, on South Biscayne Boulevard. It comprises Class A office space completely. The office tower was acquired by CP Group in 2021 in a joint venture with Rialto Capital Management. The approximately 983,000 square feet building contains 39 floors and is 492 ft tall, to the roof. The 200-foot antenna mast on top of the building raises its total height, including antenna, to nearly 700 feet.