BISCAYNE KEY ESTATES
670 Allendale Rd, Key Biscayne FL 33149
5 beds · 4.5 baths · 2,320 ft²
$3,850,000
Est. Payment $20,491/mo
5
Bedrooms
4.5
Bathrooms
2,320
Sq. Ft.
1950
Year Built
2
Garage
468
Days on Market
Description
Elegant 5-Bedroom Home with Pool, BBQ, and Spacious Patio in Key Biscayne. Discover the perfect blend of comfort and style in this beautiful 5-bedroom, 4.5-bathroom home, ideally located in the sought-after Key Biscayne community. Designed with modern living in mind, this home features an open floor plan that effortlessly connects the living, dining, and kitchen areas — ideal for family life and entertaining. The heart of the home is a sleek, fully equipped kitchen with high-end appliances, white quartz countertops, and plenty of storage space. Whether it’s a casual breakfast or a festive gathering, this space is as functional as it is stylish. Don’t miss out — schedule a tour today and see why this home is the perfect fit for you!
Facts
- MLS#
- A11652379
- Subdivision
- BISCAYNE KEY ESTATES
- Property Type
- Residential
- Property Sub Type
- Single Family Residence
- Year Built
- 1950
- Lot Size
- 7,500 ft²
- Sq. Ft.
- 2,320 ft²
- Sq. Mt.
- 216 m²
- Price per sq. ft.
- $1,659/ft²
- Price per sq. mt.
- $17,824/m²
- Stories
- —
- Garage
- 2 spaces
- Pool
- —
- Days on Market
- 468 days
- Listed
- Sep 3, 2024
- Last Updated
- Jan 28, 2026
- Price/Lot Sq.Ft.
- $513/ft²
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Same ZIP, similar price + bedrooms.

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Market insights for Key Biscayne
Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.
Sellers market
October 2026
59
Median days to sold
+4.5%
1-year price forecast (est.)
Price & tax history
From the live MIAMI MLS feed. Older history requires the ListingHistory resource (not yet enabled).
| 1/28/2026 | Sold | $3,850,000 |
| 9/3/2024 | Listed for sale | $3,850,000 |
History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).
Location
Estimated Monthly Payment
$23,850/mo
Principal & Interest
$20,491
Property Tax
$3,208
Insurance
$150
HOA
$0
Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.
The data relating to real estate for sale on this website comes in part from the Southeast Florida Multiple Listing Service. MLS Data is deemed reliable, but is not guaranteed accurate by MIAMI REALTORS®.
Accuracy of listing information is not guaranteed. Listing information is provided for personal consumer, non-commercial use, solely to identify potential properties for potential purchase. All other use is strictly prohibited and may be a violation of federal and state law.
Copyright Southeast Florida MLS a/k/a SEFMLS © 2026.
Updated within 24 hours
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