Condos for Sale in Key Biscayne, Key Biscayne

Key Biscayne is a small, affluent barrier-island village connected to Miami by the Rickenbacker Causeway, offering quiet residential neighborhoods, beaches and parks such as Crandon Park and Bill Baggs Cape Florida State Park. Housing costs and rents are well above Miami averages, with a mix of single-family homes and condominiums. The island has a local K–8 school, generally lower crime rates than Miami-Dade County overall, and faces hurricane exposure and long-term flood/sea-level rise risk.

Yes — Key Biscayne is one of the most expensive communities in Miami-Dade County. Median home prices and condominium values commonly exceed $1 million, and rental rates, utilities, HOA fees and local goods/services run above the Miami-Dade average. Overall cost of living and housing costs are significantly higher than in nearby mainland neighborhoods.

Key Biscayne has a tropical monsoon climate with hot, humid summers and a pronounced wet season. Summers (May–October) bring frequent afternoon thunderstorms, daily highs around 88–92°F (31–33°C) and elevated humidity, and the area is subject to the Atlantic hurricane season (June 1–Nov 30), peaking in August–September. The dry season (November–April) is milder and drier with lows near the mid‑60s°F (≈18°C); coastal breezes moderate temperatures year‑round and freezes are essentially nonexistent.

As of 2025, Key Biscayne is generally considered one of the safer municipalities in Miami‑Dade County, with violent- and property-crime rates below the county average. The village maintains its own police department that emphasizes community policing and rapid response, and the area is largely residential and affluent. Petty thefts and occasional vehicle break-ins occur, particularly near public beaches and parks, so standard precautions are advised. Overall it is a low-crime, family-oriented community with reliable emergency-service access.