Island Village on Biscayne Bay
Key Biscayne Real Estate & Homes for Sale
Key Biscayne homes for sale include single-family homes, bayfront estates and a limited number of condo buildings on a barrier island reached by the Rickenbacker Causeway. Inventory is small, and coastal condo buildings fall under Florida's milestone inspection rules. Global G Real Estate's licensed agents help buyers and sellers in Key Biscayne, in English and Spanish.
About Key Biscayne
Reached only via the Rickenbacker Causeway, Key Biscayne is a barrier island village where Caribbean-blue water surrounds a small island village. The northern tip holds Crandon Park with its Atlantic beach, while the southern tip ends at Bill Baggs Cape Florida State Park and the historic Cape Florida Lighthouse.
Highlights
Market Overview
Key Biscayne is a small barrier-island village with very limited inventory, reached only via the Rickenbacker Causeway. Scarcity of land and strict development limits sustain high property values. Buyers look here for beach access, parks and an island setting.
Buying in Key Biscayne
Inventory on Key Biscayne is very limited, and properties often have long market times as sellers are in no rush and buyers are selective. The Rickenbacker Causeway toll is a daily consideration for commuters — buyers should factor this into their lifestyle assessment. Hurricane preparedness is particularly important on a barrier island, and all residents should have an evacuation plan.
Selling in Key Biscayne
Scarcity is the defining feature of the Key Biscayne market — there is virtually no new land to develop, which supports pricing. Sellers benefit from the island's parks, beaches and natural setting. Crandon Park and Bill Baggs Cape Florida State Park are major draws for buyers who want island living.
Property Types
Key Biscayne offers a mix of single-family homes and a limited number of condo buildings, including Ocean Club and Key Colony. The single-family market includes waterfront estates with Biscayne Bay access and interior village homes on quieter streets. New construction is rare due to the island's built-out nature.
Living in Key Biscayne
Public school assignment is set by Miami-Dade County Public Schools and depends on the exact address; use the M-DCPS school locator to confirm it for any home you are considering. Crandon Park offers an Atlantic beach, tennis center, and golf course, while Bill Baggs Cape Florida State Park provides hiking, kayaking, and the historic lighthouse. Commercial services are limited to a small village center — residents travel to the mainland for major shopping.
Condo Due Diligence in Key Biscayne
Key Biscayne is a barrier island with a substantial condo inventory alongside single-family homes. As a coastal community, condo buildings here may be subject to the 25-year milestone inspection timeline. Given the island's exposure to coastal conditions, building-level due diligence — including inspection reports, reserve studies, and insurance coverage — is particularly important.
Source: Florida Statute § 553.899 (2025)
For a detailed overview of Florida's milestone structural inspection and reserve requirements, see our condo due diligence guide.
Notable Places in Key Biscayne
Crandon Park Beach
A stretch of golden sand on the Atlantic side of Key Biscayne. Calm, shallow waters make it popular for swimming.
Bill Baggs Cape Florida State Park
Home to the historic Cape Florida Lighthouse. The park covers the southern tip of the island with Atlantic beachfront.
Rickenbacker Causeway
The sole road access to Key Biscayne and Virginia Key, this elevated causeway spans Biscayne Bay and offers panoramic views of the downtown Miami skyline and the open water.
Village Green Park
The civic heart of the village, hosting farmers markets, community events, and Fourth of July celebrations on a tree-shaded green surrounded by local shops and cafes.
Frequently Asked Questions About Key Biscayne
How do you get to Key Biscayne?
Key Biscayne is accessible only via the Rickenbacker Causeway, a toll road that connects the island to the mainland through Virginia Key. There is no bridge-free or alternative access. The toll is a daily cost for commuters, and the causeway can experience traffic during peak hours.
How do Key Biscayne residents prepare for hurricanes?
Key Biscayne is in a mandatory evacuation zone during major hurricanes. Residents must have an evacuation plan, as the Rickenbacker Causeway is the sole exit route and can be closed by authorities before a storm. Impact-resistant windows, hurricane shutters, and flood insurance are standard preparations for island properties.
Are there limited commercial services on Key Biscayne?
Yes. Key Biscayne has a small village center with essential services — grocery stores, restaurants, banks, and a pharmacy — but no major retail or big-box stores. Residents travel to the mainland (Brickell, Coral Gables, or Dadeland) for broader shopping and services.
How do I check public school assignment for a Key Biscayne home?
Public school assignment in Key Biscayne is set by Miami-Dade County Public Schools and depends on the exact address, and boundaries can change. Use the M-DCPS school locator to confirm the assigned schools for any home you are considering. Charter and private schools have their own admission processes, separate from a home purchase.
What is the Rickenbacker Causeway toll?
The Rickenbacker Causeway charges a toll for each crossing. Frequent users can use a SunPass transponder for discounted rates. The toll is a routine cost for Key Biscayne residents who commute to the mainland daily. Current toll rates should be verified with the Miami-Dade Expressway Authority.
Can I dock a boat on Key Biscayne?
Yes. Key Biscayne has the Crandon Marina and several private docks available to waterfront homeowners. The island's location on Biscayne Bay provides direct access to the Atlantic Ocean via the Rickenbacker Causeway channel. Boating and water sports are central to the Key Biscayne lifestyle.
Real Estate Agents Serving Key Biscayne
Global G Real Estate's agents work across Miami-Dade County, including Key Biscayne. Call (786) 228-5840 or meet all our Miami real estate agents.
Interested in Key Biscayne?
Our team knows Key Biscayne inside and out. Let us help you find the right property or answer any questions about the area.