Key Takeaways
- • Ken Griffin is developing a 30,000-plus-square-foot private megayacht marina at 120 MacArthur Causeway on Miami Beach's Terminal Island, exclusively for his personal use and guests, with berths for six superyachts.
- • The project includes four buildings featuring a gatehouse with security offices, crew pavilion with laundry/kitchen/gym/sauna, operations center with repair shop, and an owner's pavilion with grand seating area and pool—designed by BMA Architects.
- • The Miami Beach Planning Board will vote on the conditional use permit on November 4, 2025, representing a critical regulatory milestone for the project's advancement.
- • This marina investment reinforces Griffin's $1 billion-plus South Florida real estate portfolio and complements his flagship $2.5 billion Brickell bayfront supertall development (planned for Citadel and Citadel Securities headquarters relocated from Chicago in 2022).
- • Griffin owns a 308-foot Viva superyacht with interior design by Peter Marino, making the private marina a logical extension of his ultra-high-net-worth asset management strategy in Miami.
Summary
Billionaire Ken Griffin, founder and CEO of Citadel hedge fund, has filed a proposal to develop a private megayacht marina on Miami Beach's Terminal Island, adding another significant asset to his expanding South Florida real estate footprint. The project, located at 120 MacArthur Causeway on the 3.7-acre tip of Terminal Island, will consist of a 30,000-plus-square-foot facility with four buildings designed exclusively for Griffin's personal use and that of his guests.
The marina's infrastructure reflects ultra-high-net-worth specifications. The development will include a gatehouse at the entrance housing security offices, a dedicated pavilion for crew members equipped with laundry facilities, kitchen, gym with sauna and showers, and a modest rooftop pool. An operations center will house a repair shop and marina staff offices, while an owner's pavilion will feature a grand seating area, storage spaces, and an adjacent pool. The facility has been designed by BMA Architects and will accommodate berths for six superyachts, providing secured docking capacity aligned with Griffin's 308-foot Viva superyacht, which features interior design by Peter Marino.
Regulatory approval remains pending. The Miami Beach Planning Board is scheduled to vote on the conditional use permit for the marina at its November 4, 2025 meeting, representing the critical next step in project advancement. A Citadel spokesperson framed the investment as reflective of Griffin's "long-term commitment to Miami" and emphasized that the project will "improve an industrial section of Terminal Island."
This marina proposal consolidates Griffin's Miami strategy, which has accelerated significantly since relocating Citadel and Citadel Securities headquarters from Chicago to Miami's Brickell neighborhood in 2022. Griffin is simultaneously developing a $2.5 billion bayfront supertall for the firms' main offices, a 1.3 million-square-foot mixed-use complex that will include a 212-key hotel, spa, and fine dining restaurants with 915 seats. Combined, these investments underscore Griffin's multi-billion-dollar commitment to establishing Miami as Citadel's operational and residential hub while building premium amenities for ultra-high-net-worth clientele and leadership.
The marina's infrastructure reflects ultra-high-net-worth specifications. The development will include a gatehouse at the entrance housing security offices, a dedicated pavilion for crew members equipped with laundry facilities, kitchen, gym with sauna and showers, and a modest rooftop pool. An operations center will house a repair shop and marina staff offices, while an owner's pavilion will feature a grand seating area, storage spaces, and an adjacent pool. The facility has been designed by BMA Architects and will accommodate berths for six superyachts, providing secured docking capacity aligned with Griffin's 308-foot Viva superyacht, which features interior design by Peter Marino.
Regulatory approval remains pending. The Miami Beach Planning Board is scheduled to vote on the conditional use permit for the marina at its November 4, 2025 meeting, representing the critical next step in project advancement. A Citadel spokesperson framed the investment as reflective of Griffin's "long-term commitment to Miami" and emphasized that the project will "improve an industrial section of Terminal Island."
This marina proposal consolidates Griffin's Miami strategy, which has accelerated significantly since relocating Citadel and Citadel Securities headquarters from Chicago to Miami's Brickell neighborhood in 2022. Griffin is simultaneously developing a $2.5 billion bayfront supertall for the firms' main offices, a 1.3 million-square-foot mixed-use complex that will include a 212-key hotel, spa, and fine dining restaurants with 915 seats. Combined, these investments underscore Griffin's multi-billion-dollar commitment to establishing Miami as Citadel's operational and residential hub while building premium amenities for ultra-high-net-worth clientele and leadership.
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