The first phase sold out. The second phase is already under construction with a secured loan. If you want to understand the velocity of Brickell's transformation, that two-sentence summary tells you most of what you need to know. One Twenty Brickell Signature Residences, announced by developer PMG in late April 2026, is a 40-story condominium tower at 120 Southwest 8th Street — the same address as its predecessor, One Twenty Brickell Residences, which sold out entirely before this second phase was announced. Designed by Sieger Suarez Architects, the new tower will yield 467 fully furnished units ranging from studios to three-bedroom residences, with interiors specified to include Italian kitchens, Miele appliances, Italkraft cabinetry, and WaterWorks bathroom fixtures. The numbers are notable. But the concept is more interesting than the specs. PMG is continuing what it calls a "live-work" model — the tower will include individually deeded private office suites with a separate reception area, glass-enclosed layouts, secure access, and a reservable conference room. These are not co-working spaces. They are owned office units in a residential building, designed for a specific type of professional: someone for whom Miami is a primary base, not a vacation destination, and who needs a real workspace that is not their living room. Ryan Shear, Managing Partner at PMG, framed it directly: "Whether Miami is your primary residence or your base for business, this tower was built for you." That framing is significant. It is an explicit acknowledgment that Brickell's target resident has changed. The neighborhood is no longer marketing itself primarily to second-home buyers or retirees. It is competing for the mobile professional class — the founders, executives, and remote-work-enabled knowledge workers who relocated to Miami during and after the pandemic and who are now deciding whether to stay permanently. The 50,000-square-foot amenity package — resort pool deck, wellness center with steam rooms and plunge pools, fitness studio, movement studio, café — is designed for someone who treats their building as a full lifestyle infrastructure, not just a place to sleep. Whether this model is sustainable at scale is the real question. Brickell is building at a pace that is testing its own infrastructure. The neighborhood's transit connectivity, street-level retail, and public space have not kept up with the residential density being added above them. One Twenty Brickell Signature Residences is an excellent building for the people who will live in it. What it does for the neighborhood around it is a separate, and more complicated, question.