BISCAYNE KEY ESTATES

670 Allendale Rd, Key Biscayne FL 33149

5 beds · 4.5 baths · 2,320 ft²

Closed

$3,850,000

Est. Payment $20,491/mo

MLS Sheet Video

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

Comparable homes

Same ZIP, similar price + bedrooms.

Market insights for Key Biscayne

Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.

Sellers market

May 2026

100/100
Buyers marketSellers market

45

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).

1/28/2026Sold$3,850,000
9/3/2024Listed 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

670 Allendale Rd, Key Biscayne FL 33149Directions

GreatSchools Summary Ratings

Public + private K-12 schools within 5 miles of this listing.

GreatSchoolsData provided by GreatSchools.org © 2026. All rights reserved.

Estimated Monthly Payment

$23,850/mo

Principal & Interest

$20,491

Property Tax

$3,208

Insurance

$150

HOA

$0

20% ($770,000)
7.00%
30 years
1.00% (FL avg ~1.0%)
$0/mo
$150/mo

Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.

Rangely Adames

Rangely Adames

Sales Associate | Sunland Group

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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.

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Updated within 24 hours

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