The Mandarin Oriental hotel on Brickell Key is coming down in a controlled implosion this Sunday, and the tiny island is bracing for it. The blast will shut off vehicle access, throw a dust plume across Biscayne Bay, and turn the neighborhood into a carefully managed no-go zone for several hours while crews wire charges and police seal intersections.
According to WSVN, organizers said an 800-foot exclusion zone will kick in at 7:30 a.m., with traffic onto Brickell Key cut off starting at 7 a.m. The restricted area will include buildings such as the St. Louis, Brickell Key One, Isola and the Brickell Key Centre, and organizers are calling it one of the largest implosions Miami has seen in more than a decade. Officials said anyone inside the zone must stay indoors until dust settles, and roads are expected to reopen at about 1:30 p.m.
In a community notice, Swire Properties, the project's developer, confirmed the demolition is scheduled for Sunday morning and said the implosion method was chosen after "over 18 months of rigorous research and analysis." The notice lists City of Miami permit numbers BD25000627001B001, BD25003904001B001 and BD25017639001B001, and says preparatory work that has been underway since summer 2025 has been approved.
"They hired enough off-duty officers, so that we cover each and every intersection that’s in the area," City of Miami Police Officer Michael Vega said of the security plan. Officers will be stationed at intersections and will enforce the exclusion perimeter while demolition teams conduct final sweeps, Vega told WSVN. Organizers said the blast will be delayed only if lightning moves in or if people are still inside the exclusion zone.
Closures, safety steps and what to expect
Police, contractors and off-duty officers will set up a hard perimeter around the site and check buildings before any charges are armed. Swire says it will offer vibration monitors at island buildings and will have the resulting data reviewed and signed by an independent engineering firm. The developer's notice also says its general contractor will meet directly with homeowners' associations and building managers to coordinate customized protective measures and to walk through a detailed demolition-day timeline. Residents have been told to follow instructions from building management and police for both safety and re-entry.
What comes next for the site
Once the current tower is brought down, the property will shift into Swire's two-tower Residences at Mandarin Oriental project, which the developer and the project website describe as the next chapter for the Brickell Key parcel. Project materials say the implosion marks a milestone on the road to construction and a targeted 2030 delivery, and earlier reporting has outlined community questions about seawall work and timing. For additional context, see reporting by The Real Deal and our earlier coverage on mega penthouses poised to smash Miami condo price record.
If you plan to be on or near Brickell Key Sunday morning, getting there before 7 a.m. is your only real shot. After that, expect to be turned away at the island bridge while officers enforce closures and the exclusion zone until demolition crews declare the area safe. For developer guidance and permit information, residents are being directed to Swire's community notice and to updates from building managers and the City of Miami.
