300 N Biscayne Blvd, Miami, FL 33132

$24,350,000 · 4 beds, 5.5 baths, 6,247 square feet · Active

BILLIONAIRE NEIGHBOR ALERT: Live Next Door to Ajay Gupta in Miami's Ultimate Mansion in the Sky. Penthouse 401 at Waldorf Astoria Residences Miami — a half-floor sky mansion in Cube 9, beside Ajay Gupta's own residence at the very top of the Penthouse Collection. 6,597 SF, 4 BR / 5.5 BA, private elevator, 13-foot ceilings, private pool, and 613 SF Sky Conservatory. Sweeping NE views of Miami Beach, Biscayne Bay, the Atlantic, and the downtown skyline. BAMO interiors. Wolf & Sub-Zero. Italian cabinetry. Exclusive 5-star beach club with Major Food Group, helicopter access, Peacock Alley, Michelin-star dining. Imagine living next to Ajay Gupta — the ultimate proximity — for under $25M. Truly a one-of-a-kind mansion in the sky. Offered at $24,350,000. 96% sold. Topping off now, completion early 2028.

Listing courtesy of The Agency Florida LLC, the listing brokerage, 305-203-5085. MLS number A12009573. See every unit for sale in this building.

Listing data courtesy of MIAMI REALTORS® MLS. Updated Oct 20, 2026 4:45 AM ET. MLS disclaimers

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Miami MLS. Listings courtesy of MIAMI REALTORS® MLS (SEFMLS). The data relating to real estate for sale on this website comes in part from the Internet Data Exchange (IDX) program of MIAMI REALTORS® (Southeast Florida Multiple Listing Service, SEFMLS). Real estate listings held by brokerage firms other than Winslow Homes LLC are marked with the name of the listing brokerage. IDX information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed accurate by the MLS, and all information should be independently verified. Based on information from the Southeast Florida Multiple Listing Service (SEFMLS) as of October 20, 2026 at 4:45 AM Eastern.

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