645 Sunset Cir
Key Biscayne, FL 33149
- 3 Beds
- 3.5 Baths
- 2,036 sqft (on 0.28 acres)
3 Beds
3.5 Baths
2,036 sqft
(on 0.28 acres)
Home Value
Trulia Estimate
$9.92MSince last month
Increased$281K (+2.9%)Since last year
Increased$1M (+17.6%)Since last sale
Increased$4M (+79.5%)Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.
Trulia Estimate
The of this home's value increased by +76% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| August 2026 | $9.87M |
| July 2026 | $9.59M |
| June 2026 | $9.81M |
| May 2026 | $9M |
| April 2026 | $8.72M |
| March 2026 | $8.51M |
| February 2026 | $8.48M |
| January 2026 | $8.23M |
2025 | |
2024 | |
2023 | |
2022 | |
2021 | |
2020 | |
2019 | |
2018 | |
2017 | |
2016 | |
Comparable sales
These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.35 | Single-Family Home | $4,820,000 | 03/16/26 | 4 | 3 | 2,959 | |
0.33 | Single-Family Home | $5,200,000 | 08/11/26 | 3 | 3.5 | 3,343 | |
0.23 | Single-Family Home | $3,500,000 | 01/16/26 | 4 | 3.5 | 2,775 | |
0.28 | Single-Family Home | $4,400,000 | 04/16/26 | 4 | 2.5 | 3,300 | |
0.25 | Single-Family Home | $3,475,000 | 01/27/26 | 5 | 4.5 | 2,320 | |
0.31 | Single-Family Home | $2,600,000 | 09/19/25 | 4 | 3 | 1,570 | |
0.28 | Single-Family Home | $4,400,000 | 04/08/26 | 5 | 5 | 3,230 | |
0.16 | Single-Family Home | $4,950,000 | 04/20/26 | 6 | 6 | 3,888 | |
0.40 | Single-Family Home | $4,475,000 | 04/10/26 | 4 | 3.5 | 3,666 | |
0.28 | Single-Family Home | $2,800,000 | 06/30/26 | 3 | 2 | 1,403 |
Nearby home prices
Get a sense of expected prices in the area by checking the value of nearby homes.Address | Distance | Price | Bed | Bath | Sqft | Status |
|---|---|---|---|---|---|---|
0.06 | $15,248,400 | 7 | 7 | 3,890 | Off Market | |
0.07 | $4,548,900 | 4 | 4 | 2,500 | Off Market | |
0.10 | $23,500,000 | 3 | 5 | 10,926 | Recently Sold | |
0.10 | $237,000,000 | 5 | 8 | 11,528 | For Sale | |
0.14 | $7,675,200 | 6 | 6.5 | 5,299 | Off Market | |
0.14 | $5,757,200 | 5 | 4.5 | 4,444 | Off Market | |
0.17 | $9,237,800 | 6 | 6.5 | - | Off Market | |
0.15 | $9,200,000 | 5 | 5.5 | 4,416 | For Sale | |
0.16 | $4,950,000 | 6 | 6 | 3,888 | Recently Sold | |
0.18 | $3,367,500 | 4 | 3 | 3,004 | Off Market | |
0.17 | $7,950,000 | 5 | 4.5 | 4,166 | For Sale | |
0.20 | $5,199,000 | 6 | 4.5 | 3,356 | For Sale |
Local Information
-- mins to
Home Highlights
Property Type
Single-Family Home
Year Built
1970
Lot Size
0.28 acres
Living Area
2,036 sqft
Price/Sqft
$4,871
About this House
This single-family home is located at 645 Sunset Cir, Key Biscayne, FL. 645 Sunset Cir is in Key Biscayne, FL and in ZIP code 33149. This property has 3 bedrooms, 4 bathrooms and approximately 2,036 sqft of floor space. This property has a lot size of 0.28 acres and was built in 1970.
645 Sunset Cir, Key Biscayne, FL 33149 is a 3 bedroom, 4 bathroom, 2,036 sqft single-family home built in 1970. It last sold for $5,500,000 on Mar 18, 2016. More recently, it was listed as a rental in January 2012 with an asking price of $9,000 per month. That rental listing was removed on February 8, 2012. It is currently off market. The Trulia Estimate is $9,918,300, with a rent estimate of $7,581/month.
Home Details for 645 Sunset Cir
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Heating & Cooling Heating: Forced AirAir ConditioningCooling System: CentralHeating Fuel: Forced Air |
Levels, Entrance, & Accessibility Stories: 1Floors: Hardwood |
Interior Details Types of Rooms: Dining Room |
Appliances & Utilities DishwasherDryerMicrowaveRefrigeratorWasher |
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Exterior Home Features Roof: OtherDeckExterior: WoodPatio |
Pool Pool |
Parking & Garage Parking: Carport |
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Year Built Year Built: 1970Year Updated: 1980 |
Property Type / Style Property Type: Single Family Home |
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Units in Building: 1 |
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Lot Area: 0.28 acres |
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On Site Laundry Available |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Mar 18, 2016 Source: N/A | Sold | $5,500,000 |
Feb 4, 2016 Source: Agent Provided | Pending | $5,900,000 |
Dec 21, 2015 Source: Agent Provided | PriceChange | $5,900,000 Price decreased by 9% |
Jul 1, 2015 Source: Agent Provided | Listed For Sale | $6,490,000 |
May 7, 2015 Source: Agent Provided | ListingRemoved | $6,500,000 |
Apr 30, 2015 Source: Agent Provided | Listed For Sale | $6,500,000 |
Feb 26, 2015 Source: Agent Provided | ListingRemoved | $6,900,000 |
Feb 8, 2012 Source: Agent Provided | ListingRemoved | $9,000 |
Jan 13, 2012 Source: Agent Provided | Listed For Rent | $9,000 |
Dec 19, 2011 Source: N/A | Sold | $4,790,000 |
Oct 22, 2011 Source: Agent Provided | Listed For Sale | $5,100,000 |
Jul 25, 2011 Source: Agent Provided | ListingRemoved | $4,990,000 |
Jun 23, 2011 Source: Agent Provided | PriceChange | $4,990,000 Price decreased by 6% |
Feb 25, 2011 Source: Agent Provided | PriceChange | $5,300,000 Price increased by 29,344% |
Feb 17, 2011 Source: Agent Provided | ListingRemoved | $18,000 |
Jan 29, 2011 Source: Agent Provided | Listed For Sale | $4,990,000 |
Dec 11, 2010 Source: Agent Provided | Listed For Rent | $216,000 |
Dec 11, 2010 Source: Agent Provided | ListingRemoved | $4,990,000 |
Oct 19, 2010 Source: Agent Provided | PriceChange | $4,990,000 Price decreased by 6% |
Sep 11, 2010 Source: Agent Provided | PriceChange | $5,300,000 Price decreased by 7% |
Aug 27, 2010 Source: Agent Provided | Listed For Sale | $5,700,000 |
Mar 30, 2006 Source: N/A | Sold | $5,120,000 |
Jul 12, 1999 Source: N/A | Sold | $1,400,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $88,705 | $6,898,308 |
Home facts updated by county records
Market trends in Key Biscayne
Last updated July 2026
Avg. sale price
$1.56M
$26.67KMoM
Sale-to-List Price
94.6%
Price per sq ft
$981
$37MoM
Available listings
144
15MoM
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
Frequently asked questions about 645 Sunset Cir
- What is 645 Sunset Cir estimated to be worth?Trulia's estimated value for 645 Sunset Cir in Key Biscayne, FL is $9,918,300.
- What is the price history for 645 Sunset Cir?645 Sunset Cir in Key Biscayne, FL last sold for $5,500,000 in March 2016.
- 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 645 Sunset Cir have air conditioning?Yes, 645 Sunset Cir in Key Biscayne, FL has air conditioning.
- Does 645 Sunset Cir have a pool?Yes, 645 Sunset Cir in Key Biscayne, FL has a pool.