Miami-Dade County · Florida
Key Biscayne Homes for Sale & Real Estate Listings
Key Biscayne is a barrier island town south of Miami with beaches, top-rated schools, and a peaceful village atmosphere. It is one of Miami-Dade's most exclusive addresses.
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Key Biscayne Market at a Glance
Live MLS · Updated Oct 14, 2026
- Active Inventory
- 142
- New Listings (30d)
- 23
- Pending Sales
- 28
- Median List Price
- $2,687,500
- Closed Sales (September)
- 16+33.3% YoY
- Median Sale Price (September)
- $1,630,000+2.8% YoY
- Months of Inventory
- 8.1
- Avg Days on Market
- 131
Residential MLS data for Key Biscayne, updated nightly. View full market reports →
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New Construction
New construction in Key Biscayne
Recently built communities and newer developments in Key Biscayne, with modern floor plans, current wind-code construction, and builder warranties. Browse the newest buildings below, or see every new-construction community across South Florida.
Condos & Multi-Family
Condos, apartments & multi-family in Key Biscayne
Condominium and apartment-style residences in Key Biscayne, from lock-and-leave units to full-service buildings, plus multi-family and income properties for investors. Explore individual buildings below, or browse by type.
Luxury
Luxury communities in Key Biscayne
Guard-gated estates, waterfront enclaves, and premier condominium residences in Key Biscayne. Explore the luxury communities below, or browse luxury homes for sale across South Florida.
Communities & Buildings in Key Biscayne
Tropical Isle Homes
Community
Biscayne Key Estates
Luxury Enclave
Commodore Club West
Waterfront Community
Key Colony
55+ Community
Oceana Key Biscayne
Waterfront Community
Cape Florida
Community
Casa Del Mar
Community
Commodore Club South Cond
55+ Community
Island House Apt Inc Co
Condominium
Towers Of Key Biscayne Co
55+ Community
Grand Bay Tower
55+ Community
Island Breakers
Condominium
Mar Azul
55+ Community
Ocean Tower One
55+ Community
The Emeraldbay @ Key Colo
55+ Community
Bahama House South
Condominium
Cape Fla Sub Sec 2
55+ Community
Cape Florida Club Condo
Community
Cape Florida Club Condo P
Community
Cay Polynesia
Condominium
Club Tower Two
Condominium
Galen Drive Condo Apts
Condominium
Grand Bay Residences Cond
55+ Community
Key Bisc Ambassador Condo
Community
Key Biscayne Commodore Cl
Waterfront Community
Lake Tower Condo
Community
Lake Villa Two
55+ Community
Le Phare Key Biscayne Con
55+ Community
Mashta Island
Community
Ocean Lane Plaza
Condominium
Ocean Tower Two
Waterfront Community
Ocean Village Condo
Condominium
The Palms Of Key Biscayne
Community
Tropical Isle Homes Sub
New Construction
Commodore Club
Community
Crandon Tower
Condominium
Grand Bay Residences
Community
Grapetree Townhouse
Community
Indies Condo
Community
Key Cassa
Community
Resort Villa Two
55+ Community
Sands of Key Biscayne
Community
115 Sunrise
Community
301 Ocean Drive
Community
Ambassador Miami
Community
Blue Pelican
Community
Botanica Key Biscayne
Community
Cape Florida Clib Condo P
Community
Club Tower One
Waterfront Community
Emerald Bay Key Biscayne
Community
Galen Breakers
Community
Galen Drive West
Community
Governors Lodge
Community
Holiday Colony
Luxury Enclave
Key Biscayne Ambassador
Community
Key Biscayne One Hundred
Condominium
Key Biscayne VI
Community
Key Colony Botanica
Community
Key Colony Key Biscayne
Community
Key Islander
Community
Browse by Zip Code in Key Biscayne
About Key Biscayne Real Estate
Browse Key Biscayne homes for sale across every neighborhood and price point in Miami-Dade. Available homes span single-family, townhome, and condo segments throughout the city. Key Biscayne includes gated golf communities, 55+ active adult neighborhoods, waterfront estates, and newer master-planned subdivisions. HOA fees vary by community type, from modest maintenance fees in non-gated subdivisions to higher dues in full-amenity country clubs. The city sits within Miami-Dade, offering access to South Florida beaches, major employment centers, and healthcare hubs. For current Miami-Dade market data, see Florida Realtors' monthly statistics. Browse the latest Key Biscayne listings below. Then connect with a Pure Equity agent to schedule a private showing.
Key Biscayne offers a range of housing options across Miami-Dade County. Pure Equity lists homes in Key Biscayne and represents buyers. Commission is negotiable, and what we are paid is agreed with you in writing before you commit to anything.
There are 141 active listings for sale in Key Biscayne right now. The median list price is $2,650,000, or about $1161 per square foot. Listings span $445,000 to $237,000,000, so there is inventory across most budgets. Homes are averaging 130 days on market. These figures update from the MLS as the market moves.
Key Biscayne is an island village reached only by the Rickenbacker Causeway, and that single point of access shapes everything about its real estate. The market splits cleanly into oceanfront condos along Ocean Drive and Crandon Boulevard and single-family homes on the interior village streets. The condo towers, many built in the boom decades and several recently renovated or rebuilt, command serious prices for direct ocean exposure, and a number of them sit behind guard gates with resort-level amenities. The single-family side ranges from original 1950s and 1960s ranch homes on generous lots to new contemporary builds, with the highest values on the canal and bayfront streets that offer dockage and open-water access. Even modest interior homes carry premiums that reflect the scarcity of land on a finite island. There is essentially no new raw land, so single-family growth happens almost entirely through teardown and rebuild.
Within the village, buyers learn the geography quickly. The gated communities and the streets closest to the bay, including the canal-front blocks, sit at the top of the single-family hierarchy. The interior grid near the village center puts residents within walking or biking distance of the shops, restaurants, and the K-8 community school, which is a major draw for families. Crandon Park anchors the north end of the island with its beach and tennis center, and Bill Baggs Cape Florida State Park with its lighthouse occupies the southern tip, so a large share of the island is permanent green and beach space rather than development. The condo corridor along the ocean is its own world, with buildings ranging from older co-ops to glassy newer towers, and the differences in dues, reserves, and rental rules between them are significant.
The island appeals to a buyer who wants an insulated, walkable, family-oriented community within fast reach of downtown Miami and Brickell, which sit just across the causeway. That commute is the practical trade: the Rickenbacker is the only way on or off, and storms or events can choke it. Insurance and flood considerations are front of mind, since the entire island is low and coastal, and condo buyers should study each building's reserve studies and any recent or pending assessments closely given Florida's structural recertification requirements. The school reputation, the low-key village feel, and the genuine sense of safety keep demand resilient, but buyers should go in clear-eyed about hurricane exposure, the cost of windstorm coverage, and the reality that nearly everything trades at an island premium.
Key Biscayne Market Stats
MLS data updated October 16, 2026- Active Listings
- 141
- Median List Price
- $2,650,000
- Median $/Sq Ft
- $1161
- Avg Days on Market
- 130
- Price Range
- $445,000 to $237,000,000
Key Biscayne at a Glance
- Population
- 15,293
- Growth Since 2020
- 0.6%
- Density
- 12,264/sq mi
- Land Area
- 1.25 sq mi
Frequently Asked Questions
- How many homes are for sale in Key Biscayne?
- There are 141 active listings for sale in Key Biscayne right now, and these counts update from the MLS as homes come on the market and go under contract. The top of the market here asks many times the entry level, so Key Biscayne covers very different kinds of buyer under one name. Ask us to set up a search alert and you will see new Key Biscayne listings the day they reach the market.
- What is the median home price in Key Biscayne?
- The median list price in Key Biscayne is $2,650,000, or roughly $1161 per square foot. The median is the midpoint of what is currently listed, so about half of Key Biscayne homes ask more and half ask less, within a broader range of $445,000 to $237,000,000. The median sits in the lower part of that range, so most Key Biscayne homes are nearer the entry level and a few high-end listings pull the top up. We can pull recent comparable sales to price a specific home more precisely.
- What price range do homes in Key Biscayne cover?
- Homes for sale in Key Biscayne currently range from about $445,000 at the entry level to $237,000,000 at the top of the market. That spread reflects the local mix, from smaller condos and townhomes up to larger single-family and luxury homes, with the median list price around $2,650,000. That is a wide spread, so Key Biscayne genuinely holds homes at very different budgets rather than one price point. Tell us your budget and must-haves and we will send the Key Biscayne listings that actually fit.
- How long do homes take to sell in Key Biscayne?
- Homes in Key Biscayne are averaging 130 days on market, measured from the day a listing goes live to the day it goes under contract. That is a slow pace, so sellers here should expect to price carefully and buyers often have time to compare before committing. Days on market in Key Biscayne also shift with the season and with how a home is priced, so a sharply priced listing can still sell well ahead of the average.
By Price
Key Biscayne homes by price
Rentals
Find rental properties in Key Biscayne
Public Records
Look up Key Biscayne property records
Anything on this page that affects what a home costs to own, assessed value, exemptions, flood zone, is published by a public agency. These are the official sources, not our summaries of them.
Miami-Dade County Property Appraiser
Assessed value, homestead exemption status, and recorded sales history for any parcel.
FEMA Flood Map Service Center
Look up the official flood zone for an address before you budget for insurance.
Florida Department of Revenue, property taxes
How Florida assesses property, and which exemptions you can claim.
Recent Sales
Recently sold homes in Key Biscayne
These are the last 24 recorded closings in Key Biscayne, with the price each home actually sold for rather than what it was listed at. They closed at a median of $958 per square foot. The most recent closed on October 5, 2026. Closed sales are what an appraiser and a buyer's agent will look at, so they are the starting point for pricing a home here.
Sold$7,767,500
Sold · October 5, 2026
165 Hampton Lane
6 bed · 8.5 bath · 3,842 sqft · $2,022/sqft
$482,500 under the asking price
Sold$1,000,000
Sold · October 1, 2026
455 Grand Bay Drive 717
0 bed · 1 bath · 532 sqft · $1,880/sqft
$88,000 under the asking price
Sold$1,660,000
Sold · September 30, 2026
613 Ocean Drive 5D
2 bed · 2 bath · 1,496 sqft · $1,110/sqft
$110,000 under the asking price
Sold$2,800,000
Sold · September 28, 2026
738 Fernwood Road
3 bed · 2 bath · 1,312 sqft · $2,134/sqft
$75,000 under the asking price
Sold$3,400,000
Sold · September 28, 2026
791 Crandon Boulevard 603
2 bed · 2.5 bath · 2,605 sqft · $1,305/sqft
$195,000 under the asking price
Sold$1,115,000
Sold · September 25, 2026
181 Crandon Boulevard 308
3 bed · 2 bath · 1,720 sqft · $648/sqft
$35,000 under the asking price
| Address | Closed | Sold for | Beds / baths | Sq ft | $/sq ft |
|---|---|---|---|---|---|
| 425 Grapetree Drive 211 | September 25, 2026 | $1,600,000 | 2 / 3 | 1,404 | $1,140 |
| 300 Galen Drive 306 | September 25, 2026 | $650,000 | 2 / 2 | 1,068 | $609 |
| 155 Ocean Lane Drive 300 | September 24, 2026 | $1,700,000 | 3 / 2 | 1,930 | $881 |
| 164 W Mashta Drive | September 24, 2026 | $4,920,624 | 5 / 5 | 3,595 | $1,369 |
| 201 Crandon Boulevard 707 | September 22, 2026 | $2,100,000 | 2 / 2 | 1,880 | $1,117 |
| 1121 Crandon Boulevard E405 | September 15, 2026 | $1,160,000 | 2 / 2 | 1,409 | $823 |
| 151 Crandon Boulevard 241 | September 14, 2026 | $1,400,000 | 2 / 2 | 1,532 | $914 |
| 1121 Crandon Boulevard E1205 | September 14, 2026 | $1,325,000 | 2 / 2 | 1,409 | $940 |
| 1121 Crandon Boulevard F403 | September 14, 2026 | $1,530,000 | 2 / 2 | 1,597 | $958 |
| 600 Grapetree Drive 10BN | September 8, 2026 | $2,900,000 | 3 / 3 | 2,943 | $985 |
| 881 Ocean Drive 7D | September 4, 2026 | $2,220,000 | 3 / 2 | 1,875 | $1,184 |
| 151 Crandon Boulevard 626 | September 2, 2026 | $1,250,000 | 2 / 2 | 1,532 | $816 |
| 201 Crandon Boulevard 227 | August 27, 2026 | $1,200,000 | 2 / 2 | 1,531 | $784 |
| 301 Hampton Lane | August 24, 2026 | $3,100,000 | 4 / 3 | 2,068 | $1,499 |
| 600 Grapetree Drive 9GN | August 21, 2026 | $1,400,000 | 2 / 2 | 1,670 | $838 |
| 1111 Crandon Boulevard C902 | August 20, 2026 | $1,480,000 | 3 / 2 | 1,782 | $831 |
| 50 Ocean Lane Drive PH601 | August 20, 2026 | $1,500,000 | 4 / 2.5 | 1,730 | $867 |
| 1121 Crandon Boulevard D404 | August 14, 2026 | $1,066,687 | 2 / 2 | 1,409 | $757 |
See every recorded sale in Key Biscayne or find out what your Key Biscayne home is worth.
Selling in Key Biscayne
Selling a home in Key Biscayne
Selling a home in Key Biscayne starts with pricing it correctly for current conditions. List prices in Key Biscayne currently center around $2,650,000, which is a starting reference for where a comparable home might be positioned. Homes that are decluttered, professionally photographed, and priced to recent comparable sales tend to draw the most interest in the first two weeks, when a listing is newest and gets the most views. Florida sellers usually pay the documentary stamp tax on the deed, currently $0.70 per $100 of the sale price in most counties, along with prorated property taxes and, by local custom in many areas, the owner's title insurance policy. We provide a no-obligation home valuation for Key Biscayne owners, so you can see what your property could sell for before you commit to listing.
Buying in Key Biscayne
Buying a home in Key Biscayne
The buying process in Key Biscayne is the one used across Miami-Dade County. Getting a mortgage pre-approval first tells you your real budget and lets you move quickly when the right home comes up. Property taxes factor into the monthly payment: the median annual property tax in Miami-Dade County is about $3,516. Florida's homestead exemption lowers the taxable value of a primary residence, and the Save Our Homes cap limits how fast that assessed value can rise from year to year. Budget for homeowners insurance as well. Rates in Florida reflect wind and flood exposure, so gather quotes early and check whether a specific address sits in a FEMA flood zone. Once you are under contract, plan for a home inspection and, if you are financing, a lender appraisal, both of which fall inside the inspection period. Working with an agent who knows Key Biscayne means you see new listings here the day they reach the market.
Thinking of Selling?
What is your Key Biscayne home worth?
Online estimates miss what makes a home different. Tell us about yours and a licensed listing agent will send you a pricing opinion based on what has actually closed near you in Key Biscayne.
Listing agents and seller representation in Key Biscayne
Thinking about selling in Key Biscayne? The agent you pick shapes two numbers: what your home closes for, and how long it takes. A listing agent, also called a seller's agent, prices the property against what has actually closed nearby. They also prepare and market it, screen the offers that arrive, and negotiate the terms rather than just the price.
Buyers currently hold leverage in Key Biscayne, so pricing and presentation carry more weight than they would in a hot market. Homes that are prepared properly and priced against real closed sales still sell; the ones testing an optimistic number are the ones that sit. Homes here are averaging about 130 days from listing to accepted offer, so build that into your moving timeline.
Local knowledge shows up in the details. Which streets hold value, how the association or flood zone affects a given address, and which recent sales genuinely compare to yours.
Pure Equity is a licensed Florida brokerage serving Key Biscayne. Onias Derilus is the broker of record, Florida Real Estate Broker license BK3276618. A broker holds a higher license than an agent working under one. In practice that means the person advising you on price is also the one legally responsible for the file. That matters most when a deal gets complicated.
More on this: how to choose a listing agent · short sales in Florida, and when they make sense
Realtors and real estate agents serving Key Biscayne
People search for realtors, real estate agents, and real estate brokers more or less interchangeably. For most purposes the job title matters less than licensing and representation. Every licensed agent in Florida works under a broker. That broker carries final responsibility for the transaction.
What separates real estate professionals in Key Biscayne is specificity. Can they answer questions about your street, not just your city? Ask what they have closed nearby and how they arrived at a price. A grounded answer cites particular recent sales. It also explains why those homes compare to yours. Vague reassurance is the warning sign.
More on this: how to look up property value by address · how much is my house worth in South Florida? · taxes and money when you sell
Buyer's agents in Key Biscayne
A buyer's agent represents the purchaser rather than the owner. They identify properties that actually fit and research what comparable homes sold for, not what they asked. They also advise on offer strategy. Finally, they manage inspection and financing deadlines through to closing.
Where buyers have room to negotiate, as they do in Key Biscayne, the leverage is only worth something if you know where it exists and what to ask for. If you are buying and selling at the same time, which is common for people moving within Miami-Dade County, sequencing the two is its own skill: contingencies, timing, and what happens if one closing slips all need planning before either home goes on the market.
What representation costs
Real estate commissions are negotiable. No law, multiple listing service, or association sets them. If an agent tells you there is a standard rate, they are misinforming you. What you pay is agreed between you and the brokerage you hire. Get it in writing before the work begins.
Industry rules changed in 2024. Now a buyer and their agent must put compensation in a written buyer agreement before touring homes together. Sellers may still offer to contribute toward the buyer's side. However, that is negotiated rather than assumed. It is worth thinking through with your listing agent before you go live.
More on this: how commission is actually structured · cash offer or financed offer? · when a sale falls through
Buying Instead?
Search Key Biscayne with someone local
We will tell you which listings are worth your time, what comparable homes actually closed for, and how to structure an offer that holds up through inspection and financing.
Frequently asked questions
How do I find a listing agent in Key Biscayne?
Ask any listing agent you interview two questions. Which homes have they closed near Key Biscayne, and how did they arrive at their suggested price? A grounded answer names recent closed sales. It also explains why those homes compare to yours. With a median around $2,650,000 here, the gap between realistic pricing guidance and optimistic guidance is real money. Verify the license too. Florida licenses are public and searchable through the state's DBPR portal. Pure Equity is a licensed brokerage serving Miami-Dade County. You can reach the broker directly at (561) 835-5400.
What does a seller's agent actually do?
A seller's agent prices the home against comparable closed sales. Before it goes live, they advise on repairs and presentation. Then they handle photography and marketing, and put the home in front of buyers and other agents. When offers arrive, they screen them and negotiate both price and terms. Terms matter as much as the number, because inspection windows, financing contingencies, and closing dates all affect whether an offer reaches the closing table.
How much does a real estate agent cost in Key Biscayne?
Commissions are fully negotiable. No law or real estate board sets them. What you pay is whatever you and your brokerage agree to in writing before work begins. Since the 2024 rule changes, buyers and their agents must agree compensation in a written buyer agreement before touring homes. Any seller contribution toward the buyer's side is negotiated rather than automatic. Ask any agent you interview to put their fee in writing.
What is the difference between a realtor, a real estate agent, and a broker?
A real estate agent holds a state license to represent buyers and sellers. A broker holds a higher-level license and can operate a brokerage. That broker also carries final legal responsibility for the office's transactions. Realtor is a membership term for agents belonging to the National Association of Realtors. For someone buying or selling in Key Biscayne, three practical questions matter. Is the person licensed, who do they represent in your transaction, and what can they actually tell you about your local market?
Do I need an agent to buy a home in Key Biscayne?
You are not legally required to use one, but most buyers in Key Biscayne do. A buyer's agent handles the parts that are easy to get wrong. That means identifying what comparable homes actually closed for, spotting condition or association issues early, and managing inspection and financing deadlines. Even in a slower market, negotiating room is only useful if you know where it exists.
Can one agent help me sell my current home and buy the next one?
Yes. For people moving within Miami-Dade County it is often the more practical route, because one person coordinates both timelines. Sequencing is the hard part. Should your purchase be contingent on your sale? How would you cover a gap if the closings do not line up? What happens if one side is delayed? Plan all of that before either home is listed, rather than after an offer arrives.
Key Biscayne Guides