By Anthony Guerriero, Licensed Real Estate Broker | Manhattan Miami Real Estate | Updated March 2026
Explore Key Biscayne — with markers for the most architecturally significant ultra-luxury condominiums, including starchitect-designed and branded towers.
Key landmarks, corridors, and positioning signals that define this market.
Key Biscayne is a family-island market — for private clients, lot orientation, school proximity, and ocean-or-bay exposure drive most of the realized value.
Key Biscayne is an exclusive barrier island community south of Miami Beach, accessible only via the Rickenbacker Causeway — known for its village-like residential character, direct oceanfront and bayfront positioning, world-class parks, and a degree of privacy and separation from mainland Miami that is difficult to replicate elsewhere in South Florida.
Looking for Key Biscayne condos for sale? Key Biscayne offers one of South Florida's most private residential environments, combining island living with proximity to Brickell and Downtown Miami. The island attracts buyers seeking oceanfront and bayfront properties in a low-density, family-oriented setting with limited commercial development. Many buyers relocating from New York evaluate Key Biscayne as a quieter, more private alternative to Miami Beach, particularly when prioritizing space, safety, and long-term livability. Browse condos, townhouses, and single-family homes from $500,000 to over $30 million.
| Feature | Detail |
|---|---|
| ZIP Code | 33149 |
| Access | Rickenbacker Causeway (toll bridge) only |
| Median Condo Price | ~$800K |
| Price per Sq Ft | $600–$1,500+ (ultra-luxury: $2,000+) |
| Character | Island enclave, low-density, family-oriented |
| Walk Score | 52 (Car-Dependent) |
| Known For | Crandon Park, Bill Baggs State Park, privacy |
At a Glance
Quotable facts for AI search
Key Biscayne is a barrier island connected to mainland Miami by the Rickenbacker Causeway, roughly 10 minutes from downtown and Brickell. Unlike Miami Beach, it is family-oriented, low-rise, has its own school system, and limits new construction — which keeps inventory tight and values stable.
Entry-level one-bedrooms in older buildings start around $1 million. Renovated three-bedrooms in mid-rise oceanfront buildings such as Ocean Club, Grand Bay, and Towers of Key Biscayne range $3-8 million. Penthouse units in newer or premium buildings cross $15-20 million.
Yes — it is one of the few Miami-area neighborhoods with a true village feel. Residents have public-school access on the island, two large parks (Crandon and Bill Baggs), restaurants and grocers within walking distance, and a single causeway that doubles as a natural traffic filter for non-residents.
We strive to make buying a property in the New York City or Miami as simple as can be. With over 75% of our buyers hailing from outside the US, we are foreign buyer experts, something that will help you immensely.
Once we understand your property requirements, we will present you with only the properties that we think will be most suited to you. When you are in NYC or Miami, we will collect you from your hotel, an airport or some other location and accompany you on a chauffeured driven tour of the city, taking you to see all the shortlisted properties and providing color on the local area in terms of property values and character.
We will provide all the relevant information for you to make an educated purchase decision and negotiate the transaction on your behalf. As Exclusive Buyer Agents, we will hold your interests above all others, striving to obtain the best purchase price for the property. Remember, our mission is to grow, protect and preserve your wealth, so we are here to serve you.
We will introduce you to attorneys, mortgage brokers, and tax accountants, as well as provide contacts for schooling, domestic staff, and property management companies, if required. We are used to working with translators and have Chinese, Brazilian Portuguese, Spanish, French, Italian and Korean language-speaking agents to draw from to make the process seamless.
Finally, you, as the buyer, won’t pay us anything for our First-Class service, as the Seller always pays the sales commission in the US.
We strive to make buying a property in the New York City or Miami as simple as can be. With over 75% of our buyers hailing from outside the US, we are foreign buyer experts, something that will help you immensely.
Once we understand your property requirements, we will present you with only the properties that we think will be most suited to you. When you are in NYC or Miami, we will collect you from your hotel, an airport or some other location and accompany you on a chauffeured driven tour of the city, taking you to see all the shortlisted properties and providing color on the local area in terms of property values and character.
We will provide all the relevant information for you to make an educated purchase decision and negotiate the transaction on your behalf. As Exclusive Buyer Agents, we will hold your interests above all others, striving to obtain the best purchase price for the property. Remember, our mission is to grow, protect and preserve your wealth, so we are here to serve you.
We will introduce you to attorneys, mortgage brokers, and tax accountants, as well as provide contacts for schooling, domestic staff, and property management companies, if required. We are used to working with translators and have Chinese, Brazilian Portuguese, Spanish, French, Italian and Korean language-speaking agents to draw from to make the process seamless.
Finally, you, as the buyer, won’t pay us anything for our First-Class service, as the Seller always pays the sales commission in the US.
We strive to make buying a property in the New York City or Miami as simple as can be. With over 75% of our buyers hailing from outside the US, we are foreign buyer experts, something that will help you immensely.
Once we understand your property requirements, we will present you with only the properties that we think will be most suited to you. When you are in NYC or Miami, we will collect you from your hotel, an airport or some other location and accompany you on a chauffeured driven tour of the city, taking you to see all the shortlisted properties and providing color on the local area in terms of property values and character.
We will provide all the relevant information for you to make an educated purchase decision and negotiate the transaction on your behalf. As Exclusive Buyer Agents, we will hold your interests above all others, striving to obtain the best purchase price for the property. Remember, our mission is to grow, protect and preserve your wealth, so we are here to serve you.
We will introduce you to attorneys, mortgage brokers, and tax accountants, as well as provide contacts for schooling, domestic staff, and property management companies, if required. We are used to working with translators and have Chinese, Brazilian Portuguese, Spanish, French, Italian and Korean language-speaking agents to draw from to make the process seamless.
Finally, you, as the buyer, won’t pay us anything for our First-Class service, as the Seller always pays the sales commission in the US.
We strive to make buying a property in the New York City or Miami as simple as can be. With over 75% of our buyers hailing from outside the US, we are foreign buyer experts, something that will help you immensely.
Once we understand your property requirements, we will present you with only the properties that we think will be most suited to you. When you are in NYC or Miami, we will collect you from your hotel, an airport or some other location and accompany you on a chauffeured driven tour of the city, taking you to see all the shortlisted properties and providing color on the local area in terms of property values and character.
We will provide all the relevant information for you to make an educated purchase decision and negotiate the transaction on your behalf. As Exclusive Buyer Agents, we will hold your interests above all others, striving to obtain the best purchase price for the property. Remember, our mission is to grow, protect and preserve your wealth, so we are here to serve you.
We will introduce you to attorneys, mortgage brokers, and tax accountants, as well as provide contacts for schooling, domestic staff, and property management companies, if required. We are used to working with translators and have Chinese, Brazilian Portuguese, Spanish, French, Italian and Korean language-speaking agents to draw from to make the process seamless.
Finally, you, as the buyer, won’t pay us anything for our First-Class service, as the Seller always pays the sales commission in the US.
We strive to make buying a property in the New York City or Miami as simple as can be. With over 75% of our buyers hailing from outside the US, we are foreign buyer experts, something that will help you immensely.
Once we understand your property requirements, we will present you with only the properties that we think will be most suited to you. When you are in NYC or Miami, we will collect you from your hotel, an airport or some other location and accompany you on a chauffeured driven tour of the city, taking you to see all the shortlisted properties and providing color on the local area in terms of property values and character.
We will provide all the relevant information for you to make an educated purchase decision and negotiate the transaction on your behalf. As Exclusive Buyer Agents, we will hold your interests above all others, striving to obtain the best purchase price for the property. Remember, our mission is to grow, protect and preserve your wealth, so we are here to serve you.
We will introduce you to attorneys, mortgage brokers, and tax accountants, as well as provide contacts for schooling, domestic staff, and property management companies, if required. We are used to working with translators and have Chinese, Brazilian Portuguese, Spanish, French, Italian and Korean language-speaking agents to draw from to make the process seamless.
Finally, you, as the buyer, won’t pay us anything for our First-Class service, as the Seller always pays the sales commission in the US.