$6,060,300
as of Sep 12, 2026
- 5 Beds
- 4.5 Baths
- 2,320 sqft
660 Allendale Rd, Key Biscayne, FL 33149
Home Highlights
Single-Family Home
2,320 sqft
$2,612/sqft
Local Information
-- mins to
About this House
Welcome to this exceptional residence located in the prestigious Key Biscayne community. This magnificent home boasts 5 spacious bedrooms and 4.5 luxurious, all in-suite bathrooms, for utmost comfort and privacy. Step inside and be captivated by the elegance and charm of this meticulously designed property. Open floor plan seamlessly connects the living spaces, creating a sense of flow and abundance throughout. With a focus on quality and attention to detail, the house showcases top-of-the-line finishes and craftsmanship. The heart of the home lies in its beautiful kitchen, featuring modern appliances and ample storage space. The stunning white quartz countertops add a touch of sophistication, making this space perfect for both everyday living and entertaining guests.
Welcome to this exceptional residence located in the prestigious Key Biscayne community. This magnificent home boasts 5 spacious bedrooms and 4.5 luxurious, all in-suite bathrooms, for utmost comfort and privacy. Step inside and be captivated by the elegance and charm of this meticulously designed property. Open floor plan seamlessly connects the living spaces, creating a sense of flow and abundance throughout. With a focus on quality and attention to detail, the house showcases top-of-the-line finishes and craftsmanship. The heart of the home lies in its beautiful kitchen, featuring modern appliances and ample storage space. The stunning white quartz countertops add a touch of sophistication, making this space perfect for both everyday living and entertaining guests.
Welcome to this exceptional residence located in the prestigious Key Biscayne community. This magnificent home boasts 5 spacious bedrooms and 4.5 luxurious, all in-suite bathrooms, for utmost comfort and privacy. Step inside and be captivated by the elegance and charm of this meticulously designed property. Open floor plan seamlessly connects the living spaces, creating a sense of flow and abundance throughout. With a focus on quality and attention to detail, the house showcases top-of-the-line finishes and craftsmanship. The heart of the home lies in its beautiful kitchen, featuring modern appliances and ample storage space. The stunning white quartz countertops add a touch of sophistication, making this space perfect for both everyday living and entertaining guests.
660 Allendale Rd, Key Biscayne, FL 33149 is a 5 bedroom, 5 bathroom, 2,320 sqft single-family home. It last sold for $910,000 on Oct 8, 2009 (4,567% above the $19,500 asking price). More recently, it was listed as a rental in January 2025 with an asking price of $19,500 per month. That rental listing was removed on February 21, 2025. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $6,060,300.
Home Details for 660 Allendale Rd
|
|---|
Property Type / Style Property Type: Single Family Home |
|
|---|
Lease Term: 1 YearAvailable: now |
|
|---|
Appliances & Utilities DishwasherDryerMicrowaveRefrigeratorWasher |
Heating & Cooling Air ConditioningCooling System: Central Air |
|
|---|
Pool Pool |
Comparable Sales for 660 Allendale Rd
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.02 | Single-Family Home | $3,475,000 | 01/27/26 | 5 | 4.5 | 2,320 sqft | |
0.12 | Single-Family Home | $3,125,000 | 03/09/26 | 5 | 3.5 | 2,429 sqft | |
0.06 | Single-Family Home | $3,500,000 | 01/16/26 | 4 | 3.5 | 2,775 sqft | |
0.34 | Single-Family Home | $1,200,000 | 06/05/26 | 4 | 4.5 | 3,241 sqft | |
0.28 | Single-Family Home | $625,000 | 04/09/26 | 6 | 6 | 4,142 sqft | |
0.30 | Single-Family Home | $3,800,000 | 08/20/26 | 5 | 4 | 2,329 sqft | |
0.17 | Single-Family Home | $3,700,000 | 01/27/26 | 5 | 5 | 3,962 sqft | |
0.09 | Single-Family Home | $4,200,000 | 03/27/26 | 6 | 5.5 | 3,436 sqft | |
0.25 | Single-Family Home | $4,400,000 | 04/08/26 | 5 | 5 | 3,230 sqft | |
0.08 | Single-Family Home | $4,950,000 | 04/20/26 | 6 | 6 | 3,888 sqft |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Rental Market Trends in Key Biscayne
Last updated Jun 2024
Average rent
$9.2K
$300MoM
Available listings
188
Around this home
What Locals Say about Key Biscayne
At least 116 Trulia users voted on each feature.
94 % Say it's walkable to grocery stores
94 % Say kids play outside
90 % Say it's dog friendly
90 % Say it's walkable to restaurants
86 % Say people would walk alone at night
86 % Say there are sidewalks
79 % Say it's quiet
79 % Say there's holiday spirit
76 % Say they plan to stay for at least 5 years
68 % Say parking is easy
67 % Say streets are well-lit
60 % Say there are community events
58 % Say neighbors are friendly
54 % Say yards are well-kept
52 % Say there's wildlife
50 % Say car is needed
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Price and Tax history
| Date | Event | Price |
|---|---|---|
Jun 4, 2025 Source: N/A | ListingRemoved | |
Feb 21, 2025 Source: Zillow Rentals | ListingRemoved | $19,500 |
Jan 31, 2025 Source: Zillow Rentals | Listed For Rent | $19,500 |
Jan 17, 2020 Source: Agent Provided | ListingRemoved | $1,695,000 |
May 25, 2019 Source: N/A | Listed For Sale | $1,695,000 |
Nov 14, 2009 Source: Agent Provided | ListingRemoved | $1,250,000 |
Oct 8, 2009 Source: N/A | Sold | $910,000 |
Feb 14, 2009 Source: Agent Provided | Listed For Sale | $1,250,000 |
Dec 19, 2002 Source: N/A | Sold | $750,000 |
Aug 11, 2000 Source: N/A | Sold | $530,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $45,027 | $4,062,833 |
Home facts updated by county records
Frequently asked questions about 660 Allendale Rd
- What is 660 Allendale Rd estimated to be worth?Trulia's estimated value for 660 Allendale Rd in Key Biscayne, FL is $6,060,300.
- What is the price history for 660 Allendale Rd?660 Allendale Rd in Key Biscayne, FL last sold for $910,000 in October 2009.
- Is Key Biscayne a buyer's or seller's market?Key Biscayne is currently a buyer's market, based on recent for-sale activity.
- What's the median sale price in Key Biscayne?The median sale price in Key Biscayne is $1.56M. That is down $26.67K from the prior month.
- Does 660 Allendale Rd have air conditioning?Yes, 660 Allendale Rd in Key Biscayne, FL has air conditioning.
- Does 660 Allendale Rd have a pool?Yes, 660 Allendale Rd in Key Biscayne, FL has a pool.
Homes for rent near 660 Allendale Rd
Affordability
TIP:Try to keep your rent within a third of your gross household income. Learn why in our Renter's Guide.
For this property
PER YEAR
is the suggested income
Win over prospective landlords with your smart budgeting. As a good rule of thumb, ideally you would have at least three times your monthly rent in combined household income.

