Construction crews working on the Waldorf Astoria Hotel & Residences Miami have begun work on the tower’s ninth and final glass cube, a milestone that puts the 100-story supertall on track to top out this winter at 300 Biscayne Boulevard in Downtown Miami. The tower reached level 85 as work began on the final segment, inching the project closer to its planned height of 1,049 feet.
According to Florida YIMBY, writer Oscar Nunez reported that the tower now has eight structurally legible glass cubes complete, with curtain wall installation extending through the seventh cube. New construction signage at the site tells passersby to look up, according to Joel Franco, and the same signage indicates the tower will top off in winter. Once finished, the building will surpass the 300-meter threshold required for supertall status and, according to the outlet’s reporting, become the first supertall skyscraper in Florida.
A Fast Climb Since February
The pace of construction has been notable. The project reached its sixth cube after concrete work passed the 60th floor in February, meaning crews advanced roughly 25 additional levels in about six months before starting the ninth cube in late August. A Reddit user, u/ant0n61, shared construction images of the final cube on the site earlier in the week, capturing public interest in the tower’s rapid rise.
The tower broke ground in 2022 and is anticipated to be completed in the second quarter of 2028. Behind the project are developers Property Markets Group and Greybrook Realty Partners, working alongside development partners Hilton, Mohari Hospitality, and S2 Development. Sieger Suarez Architects designed the building in collaboration with Carlos Ott, while BAMO is handling interior design, per the same outlet’s reporting.
Record-Setting Foundation Work Set the Stage
The tower’s foundation work made headlines of its own back in June 2024, when general contractor John Moriarty & Associates and Capform completed a continuous mat foundation pour lasting 31 hours. That single pour used approximately 12,400 cubic yards of concrete, required 1,240 truck deliveries, and involved 195 workers, according to Florida YIMBY’s earlier coverage. Capform is delivering the turnkey concrete scope for the project, which secured $668 million in construction financing from Bank OZK and Related Fund Management in 2024…