640 Sunset Cir
Key Biscayne, FL 33149
- 5 Beds
- 4.5 Baths
- 4,234 sqft (on 0.30 acres)
5 Beds
4.5 Baths
4,234 sqft
(on 0.30 acres)
Local Information
-- mins to
Home Highlights
Property Type
Single-Family Home
Year Built
1965
Lot Size
0.3 acres
Living Area
4,234 sqft
Price/Sqft
$2,777
Parking
Garage
About this House
This single-family home is located at 640 Sunset Cir, Key Biscayne, FL. 640 Sunset Cir is in Key Biscayne, FL and in ZIP code 33149. This property has 5 bedrooms, 5 bathrooms and approximately 4,234 sqft of floor space. This property has a lot size of 0.30 acres and was built in 1965.
640 Sunset Cir, Key Biscayne, FL 33149 is a 5 bedroom, 5 bathroom, 4,234 sqft single-family home built in 1965. It last sold for $5,025,000 on Jul 3, 2020. It is currently off market. The Trulia Estimate is $11,757,400, with a rent estimate of $50,397/month.
Home Details for 640 Sunset Cir
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Heating & Cooling Heating: Forced Air, ElectricAir ConditioningCooling System: CentralHeating Fuel: Forced Air |
Levels, Entrance, & Accessibility Stories: 3Floors: Tile |
Interior Details Types of Rooms: Recreation Room |
Appliances & Utilities DishwasherDisposalDryerMicrowaveRefrigeratorWasher |
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Exterior Home Features Roof: OtherExterior: OtherPatio |
Pool Pool |
Parking & Garage GarageParking Spaces: 2Parking: Garage Attached |
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Year Built Year Built: 1965Year Updated: 1975 |
Property Type / Style Property Type: Single Family Home |
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Units in Building: 1 |
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Lot Area: 0.30 acres |
Price History for 640 Sunset Cir
| Date | Price | Event | Source |
|---|---|---|---|
| 07/03/2020 | $5,025,000 | Sold | MIAMI #A10320373 |
| 06/19/2020 | $5,257,500 | Pending | Agent Provided |
| 05/12/2020 | $5,257,500 | PriceChange | Agent Provided |
| 02/25/2020 | $5,357,500 | PriceChange | Agent Provided |
| 01/22/2020 | $5,457,500 | PriceChange | Agent Provided |
| 08/26/2019 | $5,557,500 | PendingToActive | Agent Provided |
| 05/29/2019 | $5,557,500 | Pending | Agent Provided |
| 02/22/2019 | $5,557,500 | PriceChange | Agent Provided |
| 11/14/2017 | $5,850,000 | PriceChange | Agent Provided |
| 08/01/2017 | $6,350,000 | Listed For Sale | Agent Provided |
| 06/24/2016 | $2,099,000 | ListingRemoved | Agent Provided |
| 03/22/2016 | $2,099,000 | Listed For Sale | Agent Provided |
| 08/08/2003 | $2,850,000 | Sold | N/A |
| 09/10/2002 | $2,700,000 | Sold | N/A |
Market trends in Key Biscayne
Last updated June 2026
Avg. sale price
$1.58M
$113KMoM
Sale-to-List Price
—
Price per sq ft
$945
$37MoM
Available listings
159
9MoM
Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $102,188 |
| Assessment | $7,566,684 |
Home facts updated by county records
Comparable Sales for 640 Sunset Cir
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.16 | Single-Family Home | $4,950,000 | 04/20/26 | 6 | 6 | 3,888 | |
0.37 | Single-Family Home | $3,700,000 | 01/27/26 | 5 | 5 | 3,962 | |
0.30 | Single-Family Home | $4,400,000 | 04/08/26 | 5 | 5 | 3,230 | |
0.31 | Single-Family Home | $4,750,000 | 02/04/26 | 4 | 3.5 | 3,382 | |
0.26 | Single-Family Home | $4,200,000 | 03/27/26 | 6 | 5.5 | 3,436 | |
0.37 | Single-Family Home | $4,820,000 | 03/16/26 | 4 | 3 | 2,959 | |
0.36 | Single-Family Home | $4,820,000 | 08/15/25 | 6 | 6.5 | 4,165 | |
0.24 | Single-Family Home | $3,475,000 | 01/27/26 | 5 | 4.5 | 2,320 | |
0.23 | Single-Family Home | $3,500,000 | 01/16/26 | 4 | 3.5 | 2,775 | |
0.41 | Single-Family Home | $4,475,000 | 04/10/26 | 4 | 3.5 | 3,666 |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 640 Sunset Cir.
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.
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Homes for sale near 640 Sunset Cir
Off Market Homes Near 640 Sunset Cir
Frequently asked questions about 640 Sunset Cir
- What is 640 Sunset Cir estimated to be worth?Trulia's estimated value for 640 Sunset Cir in Key Biscayne, FL is $11,757,400.
- What is the price history for 640 Sunset Cir?640 Sunset Cir in Key Biscayne, FL last sold for $5,025,000 in July 2020.
- 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 $1.58M. That is down $113K from the prior month.
- Does 640 Sunset Cir have air conditioning?Yes, 640 Sunset Cir in Key Biscayne, FL has air conditioning.
- Does 640 Sunset Cir have a pool?Yes, 640 Sunset Cir in Key Biscayne, FL has a pool.

