515 East 72nd Street is a 41-story, 326-unit luxury residential condominium building on Manhattan’s Upper East Side. Witkoff purchased distressed debt secured by the unsold condominiums in this residential rental building, which was undergoing conversion, and worked with the borrower to complete the redevelopment and sell the remaining units, including the design and build-out of a 5,400 square foot penthouse, which was sold upon completion. This property features a 20,000 square foot private park, a fitness center, a gym, spa facilities, an indoor pool, a basketball/squash court, and a café.