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Historic cottage site may sell to billionaire Ken Griffin as he buys out city block

Reported by Miamiherald
Jul 17, 2026· 3 min read
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Key Takeaways
  • • Ken Griffin's Citadel has secured control of an entire Brickell city block in Miami through the purchase of the Jackson cottage site for approximately $3 million, completing a multi-year, $700+ million real estate consolidation strategy.
  • • The Miami city commission unanimously approved the sale of the 121-year-old historic cottage at 190 SE 12th Terrace to a Griffin-controlled LLC, removing the final obstacle to Griffin's comprehensive block development plan.
  • • Griffin's Brickell master plan now encompasses a 54-story, multibillion-dollar office tower (Citadel's global headquarters at 1201 Brickell Bay Drive), a 300-unit residential building, expanded office space, and parking infrastructure—representing one of Miami's largest single-developer real estate projects.
  • • Since 2022, Griffin has invested over $700 million assembling the block, including $363 million for the flagship headquarters site, $286.5 million for an office tower and parking garage, and approximately $125 million to fully acquire the 138-unit Solaris condo tower.
  • • Griffin reaffirmed his Miami commitment last month with revised development plans, signaling sustained capital deployment and positioning himself as a leading institutional real estate player reshaping Miami's financial district landscape.
Summary
Ken Griffin has completed his acquisition of an entire city block in Miami's Brickell financial district with the Miami city commission's unanimous approval of the $3 million purchase of the Jackson cottage site. The historic 121-year-old cottage, located at 190 SE 12th Terrace and currently leased by the Dade Historic Trust, represented the final remaining parcel that Griffin did not own on the block, which extends from Brickell Bay Drive to Brickell Avenue.

Griffin's methodical consolidation of the Brickell block reflects a sustained institutional capital deployment strategy. Over the past four years beginning in 2022, the Citadel founder and CEO has invested more than $700 million acquiring multiple properties. The anchor investment was $363 million for the 2.5-acre site at 1201 Brickell Bay Drive, where construction began earlier this year on the 54-story office tower that will serve as Citadel's global headquarters—announced as part of Griffin's 2022 relocation decision from Chicago to Miami. Additionally, Griffin acquired the 1221 Brickell Avenue office tower and parking garage for $286.5 million in 2022 and completed a full buyout of the 138-unit Solaris residential tower, spending approximately $125 million over several years to achieve complete ownership.

The consolidated block development represents a significant expansion of Griffin's Miami footprint and reflects broader institutional confidence in the city's financial district. Last month, Griffin announced revised master plans for the development that now include a 300-unit residential building, parking infrastructure, and expanded office space alongside the Citadel headquarters tower, underscoring a multibillion-dollar, mixed-use development scope. Griffin characterized his posture as "doubling down" on Miami, signaling continued capital deployment and long-term institutional commitment to the city's real estate market.

The acquisition of the Jackson cottage site completes Griffin's geographic control of the block and removes regulatory uncertainty that could have constrained the broader development timeline. With unanimous city commission approval, Griffin can now execute an integrated, single-developer master plan without fragmented ownership or lease complications, enhancing development efficiency and allowing for cohesive architectural and operational integration across the multiple components of the Brickell project.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Miamiherald Historic cottage site may sell to billionaire Ken Griffin as he buys out city block