A New York family firm made its first venture into Miami real estate with the $125.5 million buy of the 800 Brickell office tower and next-door parking garage.

Gatsby Enterprises bought the 15-story, 209,122-square-foot tower and adjacent nine-story, 550-space garage on 2 acres southwest of Brickell Avenue and Southeast Eighth Street. Friday’s transaction is the latest in a string of notable office sales in the last two years.