How do I schedule a tour of 670 Allendale Road, Key Biscayne, FL 33149?

Use the Tour button on this listing to request a showing of 670 Allendale Road, Key Biscayne, FL 33149. Pick a day and time and choose an in-person or video-chat tour, and a Pure Equity Realty agent will confirm your visit, often the same day.

Is 670 Allendale Road, Key Biscayne, FL 33149 still available?

670 Allendale Road, Key Biscayne, FL 33149 is currently listed as Sold, and has been on the market 468 days. Status updates directly from the MLS as homes go under contract, so ask us to confirm availability before you plan a visit.

How much is the monthly payment for 670 Allendale Road, Key Biscayne, FL 33149?

With 20% down ($770,000) on the $3,850,000 list price and a 30-year fixed loan at an illustrative 6.875% rate, the estimated principal & interest for 670 Allendale Road, Key Biscayne, FL 33149 is about $20,233/mo, before property taxes, insurance. Use the payment estimate on this page to adjust the down payment and rate.

How do I get pre-approved to buy 670 Allendale Road, Key Biscayne, FL 33149?

Getting pre-approved shows sellers you're a serious buyer and clarifies your true budget before you offer on 670 Allendale Road, Key Biscayne, FL 33149. Contact Pure Equity Realty and we'll connect you with a trusted local lender to review your financing options, no obligation.

Can I negotiate the price of 670 Allendale Road, Key Biscayne, FL 33149?

Often, yes. The right offer on 670 Allendale Road, Key Biscayne, FL 33149 depends on how it's priced against comparable single family sales in Key Biscayne, how long it's been listed, and how motivated the seller is. Pure Equity Realty will run the comps and help you craft a competitive, well-supported offer.

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Sold

468 Days on Market

All Listings

$3,850,000

670 Allendale Road

Key Biscayne, FL 33149

BISCAYNE KEY ESTATES

Explore the area: Key Biscayne homes for sale · Miami Dade County real estate

Bedrooms

Bathrooms

2,320

Living Sq Ft

1950

Year Built

Estimated monthly payment

$20,233 /mo

Principal and interest only, based on $770,000 down (20%), a 6.875% 30-year fixed rate. Property taxes, homeowners insurance are not included.

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Listing Snapshot

Price: $3,850,000
Days on Site: 468 Days
Bedrooms: 5
Total Baths: 5
Full Baths: 4
Partial Baths: 1
Living Area: 2,320 sqft
Total Sq Ft: 2,320 sqft
Lot Size: 0.17 Acres
Year Built: 1950
Property Type: Single Family
MLS #: A11652379
Property Tax: $14,686 (2024)
Subdivision: BISCAYNE KEY ESTATES
County: Miami Dade
Status: Sold
Special Conditions: Listed As Is

About This Property

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! Step outside to a spacious patio built for relaxation and entertainment. Cool off in the private swimming pool or fire up the grill in the dedicated BBQ area, perfect for weekend get-togethers with family and friends. The outdoor space offers ample room for lounging, dining, and making memories year-round.Each of the 5 bedrooms is designed for comfort and privacy, with en-suite bathrooms that feature modern fixtures and finishes. The thoughtful layout provides everyone with their own personal retreat.Located in one of Key Biscayne's most desirable neighborhoods, this home offers access to beautiful beaches, top-rated schools, and everything you need for an active, coastal lifestyle.

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General Features

Property Type: Single Family
Status: Sold
Year Built: 1950
Property Condition: Resale
Number of Stories: 1
Levels: One
Garage Spaces: 2
Parking: Driveway
Direction Faces: East
Lot Size (Acres): 0.17
Living Sq Ft: 2,320
Total Sq Ft: 2,320
Sewer: Public Sewer
Water Source: Public
Zoning: 0100

Interior Features

Appliances: Dryer / Dishwasher / Electric Range / Disposal / Microwave / Oven / Refrigerator / Washer
Cooling: Central Air / Electric
Heating: Central / Electric
Flooring: Ceramic Tile / Tile
Interior Features: Built In Features / Bedroom On Main Level / Living Dining Room / Walk In Closets
Windows: Blinds

Exterior Features

Construction: Block
Roof: Concrete
Exterior Features: Barbecue / Outdoor Living Area
Private Pool: Yes
Pool Features: In Ground
Patio & Porch: Deck / Patio
View: Garden

Community & HOA

Association Amenities: Other
Pets Allowed: No Pet Restrictions / Yes
Financing Terms: Cash / Conventional / FHA
Restrictions: No Restrictions
MLS Area: 2520

About the Community

Biscayne Key Estates

View Community Details →

Biscayne Key Estates is a luxury community in Key Biscayne, Miami-Dade County, Florida. Properties are priced from $2,900,000 to $11,300,000. Pure Equity Realty lists homes in Biscayne Key Estates for 1% commission and provides free buyer representation.

Homes for Sale: 9
Under Contract: 2
Median List Price: $6,395,000
Median $/Sq Ft: $1,549
Avg Days on Market: 130

View all 9 homes for sale in Biscayne Key Estates →

Frequently Asked Questions

How do I schedule a tour of 670 Allendale Road, Key Biscayne, FL 33149?: Use the Tour button on this listing to request a showing of 670 Allendale Road, Key Biscayne, FL 33149. Pick a day and time and choose an in-person or video-chat tour, and a Pure Equity Realty agent will confirm your visit, often the same day.
Is 670 Allendale Road, Key Biscayne, FL 33149 still available?: 670 Allendale Road, Key Biscayne, FL 33149 is currently listed as Sold, and has been on the market 468 days. Status updates directly from the MLS as homes go under contract, so ask us to confirm availability before you plan a visit.
How much is the monthly payment for 670 Allendale Road, Key Biscayne, FL 33149?: With 20% down ($770,000) on the $3,850,000 list price and a 30-year fixed loan at an illustrative 6.875% rate, the estimated principal & interest for 670 Allendale Road, Key Biscayne, FL 33149 is about $20,233/mo, before property taxes, insurance. Use the payment estimate on this page to adjust the down payment and rate.
How do I get pre-approved to buy 670 Allendale Road, Key Biscayne, FL 33149?: Getting pre-approved shows sellers you're a serious buyer and clarifies your true budget before you offer on 670 Allendale Road, Key Biscayne, FL 33149. Contact Pure Equity Realty and we'll connect you with a trusted local lender to review your financing options, no obligation.
Can I negotiate the price of 670 Allendale Road, Key Biscayne, FL 33149?: Often, yes. The right offer on 670 Allendale Road, Key Biscayne, FL 33149 depends on how it's priced against comparable single family sales in Key Biscayne, how long it's been listed, and how motivated the seller is. Pure Equity Realty will run the comps and help you craft a competitive, well-supported offer.

Listing courtesy of Cervera Real Estate Inc.

Listing information is provided by BeachesMLS, Inc.and is deemed reliable but not guaranteed accurate by the MLS or Pure Equity Realty. Information is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties. © 2026 BeachesMLS, Inc. Last updated July 1, 2026.

$3,850,000