Address: 475 Allendale Road in Key Biscayne
Property type: This is a 3,121-square-foot, two-story home with three bedrooms and four bathrooms constructed in 1951 on a 7,622-square-foot lot.
Sellers: John and Heather Rafferty
Buyers: Philipp Rusch Back and Elizabeth Costa de Rusch
Past sale: $1,610,000 in May 2013