685 Harbor Ln, Key Biscayne, FL 33149 — MLS photo

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685 Harbor Ln, Key Biscayne, FL 33149

Active · SingleFamilyResidence

$6,950,000

685 Harbor Ln, Key Biscayne, FL 33149

Beds
5
Baths
6
Living area
5,421 sq ft
$ / sq ft
$1,282/sq ft
Year built
2001
Lot size
9,000 sq ft
HOA fee
—
Annual tax
—

About this property

Set on one of the largest lots in Key Biscayne, a rare 12,200 sqft parcel, this colonial-style residence, known as Villa Rosa, was designed by renowned architect Cesar Molina and sits on a quiet, low-traffic street in a well-established, family-friendly neighborhood. The generous lot allows for a spacious backyard with pool and abundant green space, ideal for outdoor living and entertaining. Double balconies and covered terraces create a seamless indoor-outdoor flow throughout the home. This 5-bedroom residence offers bright interiors and a chefs kitchen with island, Sub-Zero refrigerator, wine cooler, double ovens, and two dishwashers. The primary suite includes a private terrace, oversized walk-in closet with safe, and dual baths with sauna. Also includes maids quarters and hurricane code construction. Minutes from the beach, parks, and top schools - a rare opportunity to own a well-designed home with an exceptional lot on one of Key Biscayne's most desirable streets.

Property location

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685 Harbor Ln, Key Biscayne, FL 33149

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Facts & features

Interior

Bedrooms
5
Bathrooms
6
Living area
5,421 sq ft

Exterior & Structure

Property type
SingleFamilyResidence
Year built
2001
Lot size
9,000 sq ft

Parking

Not provided in the MLS listing.

HOA, Community & Financials

County
Miami-Dade
MLS listing ID
A11997896
Listing status
Active

Investment intelligence

Yield & ROI calculator

Pre-filled from this listing's price, HOA and tax record. Adjust anything to see returns update instantly.

Estimated monthly cash flow

-$22,022

Cap rate
1.9%
Net yield
1.9%
Cash-on-cash return
-13.6%
Gross yield
5.0%
Mortgage payment
$32,947/mo
Down payment
$1,737,500
Loan amount
$5,212,500
Annual NOI
$131,096

Estimates only — includes 5% maintenance reserve and ~3% closing costs in cash invested. Verify taxes, HOA and insurance before making an offer.