Monad Terrace broke ground in South Beach a year ago.
Yesterday, the 3rd floor deck was installed, according to contractor G.T. McDonald Enterprises.
The project features 59 residential units, surrounded by a manmade lagoon. Two buildings will rise 14 and 7 stories high.
Jean Nouvel is the design architect, with Kobi Karp architect of record.
A live construction camera is available here.