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For sale

501 Bay Lane

Key Biscayne, FL 33149

$5,990,000

$1,259/ft²

5Beds
4.5Baths
4,759Sq ft
1995Year built
Single-family homeType

About this home

Prime location on one of Key Biscayne’s most exclusive residential streets, surrounded by some of the island’s most prestigious waterfront estates. An exceptional opportunity to own a substantial residence in the heart of Miami’s island paradise. Situated on a generous 10,000 SF lot, this light-filled home offers 4,759 SF of living space, five bedrooms, four full bathrooms and one half bathroom, providing wonderful space, privacy, and flexibility for today’s lifestyle. High ceilings and abundant natural light enhance the home’s generous proportions, while well-defined living, dining, and family areas create a comfortable and functional floor plan for both everyday living and entertaining. The interior spaces open to an expansive covered terrace, creating a natural connection to the outdoors and allowing for year-round enjoyment of South Florida living. Surrounded by lush, mature landscaping, the private backyard features a beautiful swimming pool and generous areas for outdoor dining, entertaining, and spending time with family and friends. Built in 1995 and complete with a garage, the residence can be enjoyed as it is today while offering endless possibilities to personalize and enhance over time. A rare opportunity to make this home your own while enjoying an exceptional address, privacy, and the extraordinary lifestyle that make Key Biscayne one of South Florida’s most desirable places to call home

Property details

Listing

MLS #
A12074814
Status
For sale
Listed on
Aug 24, 2026
Days on market
3 days
Listing data updated
Aug 24, 2026

Interior

Beds
5
Baths
4.5
Living area
4,759 ft²
Price per ft²
$1,259/ft²

Building & community

Type
Single-family home
Year built
1995
County
Miami-Dade

Lot & exterior

Lot size
10,000 ft²

Days on market, price per ft² and the monthly HOA amount are calculated by this site from the MLS data shown; the association fee is normalized to a monthly figure.

What's nearby

Elementary school
KEY BISCAYNE K-8 CENTER · 0.4 mi away
Middle school
KEY BISCAYNE K-8 CENTER · 0.4 mi away
High school
MAST ACADEMY · 3.2 mi away
Transit
CRANDON BD & MCINTYRE ST · 0.6 mi away
Supermarket
Winn-Dixie · 0.5 mi away
Park
Harbor Park · 0.1 mi away
Pharmacy
CVS Pharmacy · 0.6 mi away

Straight-line distances · Sources: NCES/FL DOE, GTFS Miami-Dade and Broward, OpenStreetMap

True monthly cost

Mortgage (principal & interest)
$30,289
Property taxes (est.)
$5,491
Home insurance (est.)
$4,493
Flood insurance (est.)

Estimated total$40,273*/mo

* Some cost lines aren't available yet for this listing; the total shown is incomplete.

Based on 20% down, a 6.5% rate and a 30-year loan, plus this home's estimated Florida carrying costs. All figures are illustrative estimates — not quotes, not financial or insurance advice.

Sources: flood zone — FEMA National Flood Hazard Layer; mortgage, taxes and insurance figures — this site's own estimates; HOA / CDD — as reported for this listing.

What will this home really cost you?

Location

Mortgage calculator

$30,289/moEstimated principal & interest. Taxes, insurance, and HOA are not included. This is an estimate, not a quote or financial advice.

Equal Housing Opportunity

This listing is courtesy of One Sotheby's International Realty.

Brigitte Nachtigall · 305-710-9664 · Brigitte@bnachtigall.com · 305-365-2811

Data deemed reliable, but is not guaranteed accurate by MIAMI REALTORS®.

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