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Condos for Sale in Key Biscayne, Key Biscayne

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Overview
Market Summary
1 Bedroom Condos
2 Bedroom Condos
3+ Bedroom Condos
Pet-Friendly Condos
Fitness & Wellness Condos
Condos with Stunning Views
Schools
Neighbourhood
Demographics

About Key Biscayne

Key Biscayne sits in the Miami-Fort Lauderdale-Pompano Beach metro area of Florida. The area contains one-, two-, and three-plus-bedroom units. Units with 1–3 bedrooms (one-bedroom 530.0 - 1173.0 sq ft, two-bedroom 875.0 - 2100.0 sq ft, three-plus 1090.0 - 4762.0 sq ft) fit a range of needs. Square footage spans from smaller one-bedroom layouts to larger multi-bedroom plans. The area lies within the city limits and the state of FL. Listings include one- to three-plus-bedroom options with detailed square footage ranges.

Key Biscayne Market Summary

The condo mix runs from luxury high-rises to restored mid-rises, many with bay or ocean views, concierge, pools, and fitness centers.

Average Condo Sizes

1 Bedroom avg size908 sqft

2 Bedroom avg size1504.76 sqft

3 Bedroom avg size2357.12 sqft

Pricing and Liquidity

No price and liquidity data available.

1 Bedroom Condos

AVG PPSF$709.19 /sqft

AVG SOLD PRICE$638,772.73

AVG DAYS ON MARKET113 Days

Key Biscayne condos include 1-bed units ranging from 530 to 1,173 sq ft across island buildings. The average sale price is $639,000, with an average of $709 per sq ft. These 1-bed units spend about 112 days on the market.

Featured Buildings

55 Ocean Lane Dr

55 OCEAN LANE DR,KEY BISCAYNE,FL

3 units available

210 Seaview Dr

210 SEAVIEW DR,KEY BISCAYNE,FL

0 unit available

155 Ocean Lane Dr

155 OCEAN LANE DR,KEY BISCAYNE,FL

4 units available

View 1-Bedroom Condos

2 Bedroom Condos

AVG PPSF$783.33 /sqft

AVG SOLD PRICE$1,200,538.24

AVG DAYS ON MARKET148 Days

Key Biscayne condos include 2-bed units that range from about 875 sq ft to 2,100 sq ft. This size spread covers compact layouts and larger floor plans. The average 2-bed price is $1,200,538 in the neighborhood. At about $783 per sq ft, the figure reflects how space is valued on the island. The average time on market for 2-bed condos is about 148 days, so units commonly remain listed for several months. 2-bed condos are found near Crandon Park and Bill Baggs Cape Florida State Park. The Rickenbacker Causeway links Key Biscayne to Miami and the wider Miami-Fort Lauderdale-Pompano Beach metro, with local streets around the village center providing shops and public spaces.

Featured Buildings

1111 Crandon Blvd

1111 CRANDON BLVD,KEY BISCAYNE,FL

4 units available

590 Ocean Dr

590 OCEAN DR,KEY BISCAYNE,FL

0 unit available

251 Crandon Blvd

251 CRANDON BLVD,KEY BISCAYNE,FL

0 unit available

View 2-Bedroom Condos

3+ Bedroom Condos

AVG PPSF$1,165.02 /sqft

AVG SOLD PRICE$2,970,850

AVG DAYS ON MARKET131 Days

3-bed condos in Key Biscayne range from 1,090 to 4,762 sq ft, giving a broad choice of layouts. The average sale price for a 3-bed is $2,970,850. That equals about $1,165 ppsf on average. Listings for 3-bed units stay on the market about 130 days. Many 3-bed condos sit near Crandon Park, Bill Baggs Cape Florida State Park, beaches, and the village center. The Rickenbacker Causeway links the island to the Miami metro and serves as the main road access.

Featured Buildings

615 Ocean Dr

615 OCEAN DR,KEY BISCAYNE,FL

0 unit available

265 Grapetree Dr

265 GRAPETREE DR,KEY BISCAYNE,FL

0 unit available

605 Ocean Dr

605 OCEAN DR,KEY BISCAYNE,FL

1 unit available

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Pet-Friendly Condos

Unable to find pet-friendly condos in Key Biscayne.

Visit the search page to set up an email alert to be notified of new pet-friendly condos listings or contact a HelloCondo agent for off-market listings.

Fitness & Wellness Condos

AVG PPSF$946.32 /sqft

AVG SOLD PRICE$1,906,691.96

AVG DAYS ON MARKET141 Days

Key Biscayne fitness and wellness Condos reach a sale price near $1,906,692, at $946 per square foot and stay on the market 141 days. The island centers on Crandon Park and Bill Baggs Cape Florida State Park for outdoor space. Shops and services sit in the Village of Key Biscayne along Crandon Boulevard. Key Biscayne K-8 Center provides local schooling. Rickenbacker Causeway links the island to the mainland and serves as the main road for commuters and deliveries. Condos sit close to parks, schools, and village shops.

Featured Buildings

201 Crandon Bl Ky

201 CRANDON BL KY,KEY BISCAYNE,FL

0 unit available

150 Ocean Lane Dr

150 OCEAN LANE DR,KEY BISCAYNE,FL

0 unit available

1121 Crandon Bl Ky

1121 CRANDON BL KY,KEY BISCAYNE,FL

0 unit available

View Fitness & Wellness Condos

Stunning Views Condos

AVG PPSF$946.9 /sqft

AVG SOLD PRICE$1,888,470.24

AVG DAYS ON MARKET142 Days

Key Biscayne stunning views Condos sell near $1,850,279 and trade at $975 per sq ft, with listings staying on market 125 days. The island centers on Crandon Park and Bill Baggs Cape Florida State Park, popular outdoor spots, and the Key Biscayne K-8 Center anchors local schooling. Daily needs meet at village shops on Crandon Boulevard. Access comes via Rickenbacker Causeway, the main road that links the island to the mainland and carries cars, bikes, and visitors to the parks and marinas.

Featured Buildings

350 Grapetree Dr

350 GRAPETREE DR,KEY BISCAYNE,FL

0 unit available

161 Crandon Blvd

161 CRANDON BLVD,KEY BISCAYNE,FL

0 unit available

705 Crandon Blvd

705 CRANDON BLVD,KEY BISCAYNE,FL

0 unit available

View Condos with Stunning Condos

Schools

PK–5 are covered by Key Biscayne K-8 Center. The school is a public regular institution and holds an A rating.

Key Biscayne K-8 Center

Public|Grades PK–5

150 W McIntyre St

The Neighbourhood: Key Biscayne

Key Biscayne sits on a small island near Miami and draws visitors for beaches and parks. Crandon Park offers long sandy beaches, a golf course, and picnic spaces. Bill Baggs Cape Florida State Park protects coastal dunes and hosts the Cape Florida Lighthouse. Cape Florida Lighthouse stands as a local landmark and attracts people who enjoy views. Miami Seaquarium presents marine shows and animal exhibits on nearby Virginia Key. Jungle Island offers animal encounters and shows near Watson Island. Rusty Pelican serves popular seafood and waterfront views along the shoreline. Boater's Grill provides casual meals and drinks close to the state park. Bars like Monty's Raw Bar host social events and small gatherings. The area supports small shops, cafes, and local services for residents and visitors. Miami-Dade Transit buses connect the island to mainland transit hubs. Metrorail and bus lines link riders to downtown Miami and to regional rail. Bicycles and walking paths attract people who move around the island daily. The most common age group is 10 to 14 years old, and the most common household type has 2 people.

Demographics

Average Resident age37 years old

Average household Income$175,488 /year

Average HouseHold Composition3 People

What to know about Key Biscayne demographics:

Approximately 39.66% of adults in Key Biscayne hold a Bachelor's degree, reflecting a well-educated community that appeals to professionals and families seeking strong local educational attainment.
Average age: 37 years — a community profile that favors younger professionals and established families, with the largest age cohort in the 35 to 39 range.

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Frequently Asked Questions about Key Biscayne

What is it like to live in Key Biscayne, Key Biscayne, FL?

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.

Is Key Biscayne, Key Biscayne, FL expensive?

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.

What is the weather of Key Biscayne, Key Biscayne, FL?

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.

How safe is Key Biscayne, Key Biscayne, FL?

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.