Detached house in Key Biscayne sells for $2.8 million

Published Sep 4, 2025

The spacious unit at 445 Grand Bay Drive in Key Biscayne was sold on Aug. 21, 2025 for $2,750,000 which works out to $932 per square foot. The condominium, built in 1996, has an interior space of 2,950 square feet. This condo has three bedrooms and four baths.

Other units have recently been sold nearby:

· At 455 Grand Bay Drive in Key Biscayne in June 2025, a 376-square-foot unit was sold for $710,000, a price per square foot of $1,888.

· A 532-square-foot unit at 455 Grand Bay Drive in Key Biscayne sold in June 2025 for $650,000, a price per square foot of $1,222.

· In April 2025, a 378-square-foot unit at 455 Grand Bay Drive in Key Biscayne sold for $650,000, a price per square foot of $1,720.