Google street view image for 635 Sunset Cir, Key Biscayne, FL 33149

Off market oct 2007 for $10M

$22,950,731

Est. refi paymentEst. refi $63,456/mo

•

6 ba

•

9,458

sq ft

635 Sunset Cir, Key Biscayne, FL 33149

About this home

635 Sunset Cir is a 9,458 square foot house on a 0.58 acre lot with 5 bedrooms and 6 bathrooms. - it last sold on October 01, 2007 for $10,850,000. Based on Redfin's Key Biscayne data, we estimate the home's value is $22,950,731.

Single-familyProperty Type

2021Year Built

0.58 acresLot Size

$2,427Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$22,950,731

$12.1M since sold in October 2007$1.8M since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 170.9% higher than the average sale price ($8.47M) of 6 comparable homes.

SOLD OCT 26, 2026
$5,790,000
A
5 beds5.5 baths4,003 sq ft
760 Woodcrest Rd, Key Biscayne, FL 33149
SOLD OCT 20, 2026
$6,400,000
B
5 beds5.5 baths3,688 sq ft
445 Ridgewood Rd, Key Biscayne, FL 33149
SOLD SEP 22, 2026
$11,500,000
C
6 beds6.5 baths6,522 sq ft
2820 Brickell Ave, Miami, FL 33129
SOLD JUL 1, 2026
$10,500,000
D
5 beds5.5 baths5,074 sq ft
110 Reef Ln, Key Biscayne, FL 33149
SOLD AUG 13, 2026
$13,000,000
E
6 beds6.5 baths6,460 sq ft
6970 Sunrise Dr, Coral Gables, FL 33133
SOLD OCT 30, 2026
$3,640,000
F
5 beds5.5 baths3,134 sq ft
137 W Shore Dr, Miami, FL 33133

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Earn from this home

Sell

$17,277,274

Est. take-home

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Refinance

Est. cash available

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Rent

$10,736/mo

Redfin rental estimate

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Market trends in 33149, FL

Last updated October 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-list price

94.7%

0.4% MoM

Median sale price

$1.6M

$51K MoM

Avg. days on market

103d

10 days MoM

Recently sold homes

19 MoM

New listings for sale

$2,200,000
1 bed1 bath849 sq ft
455 Grand Bay Dr #323, Key Biscayne, FL 33149
(305) 361-1550
$1,495,000
2 beds2 baths1,532 sq ft
251 Crandon Blvd #525, Key Biscayne, FL 33149
(305) 365-2811
$1,695,000
2 beds2 baths1,532 sq ft
251 Crandon Blvd #304, Key Biscayne, FL 33149
(305) 598-5488
$19,750,000
6 beds6.5 baths6,468 sq ft
1080 Mariner Dr, Key Biscayne, FL 33149
(305) 666-0562
$520,000
2 beds2 baths965 sq ft
300 Galen Dr #401, Key Biscayne, FL 33149
(305) 726-5818
$2,900,000
2 beds2.5 baths2,220 sq ft
251 Crandon Blvd #806, Key Biscayne, FL 33149
(646) 480-7665
$12,990,000
4 beds5.5 baths7,400 sq ft
445 Grand Bay Dr Ph -2A, Key Biscayne, FL 33149
(305) 365-2811
$2,950,000
3 beds3 baths2,602 sq ft
765 Crandon Blvd #311, Key Biscayne, FL 33149
(305) 365-0711
$419,000
Studio1 bath410 sq ft
Key Biscayne, FL 33149
(305) 361-5454
See all

Provided by Redfin

Sale history for 635 Sunset Cir

Tax history for 635 Sunset Cir

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning and permits

Zoning
Permits

Village Estate District

These districts are designed to protect the character of Single Family and Two-Family homes and to regulate Development within the district as relates to neighboring properties and adjacent streets.

Permitted uses

Include but are not limited to:

Housing-Single unit

Apr 23, 2021 • Final

Master building

Construct a new single-family home.

New construction

Apr 13, 2021 • Final

Revision

Construct a retention curb at the property line.

Grading

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Property details

Exterior

Pool Information
Pool Type: Pool and Spa
Has Pool

Property Information
Subdivision Name: HARBOR COVE REV
Living Sq. Ft: 9,458
Adjusted Gross Sq. Ft: 10,131
Building Sq. Ft: 12,826
# of Units: 1
# of Stories: 2
Legal Description: HARBOR COVE REV PLAT PB 76-12 LOT 3 & LOT 4 LESS BEG 165.17FTSWLY OF NE COR OF LOT 4 CONT SWLY 55.91FT S 1.17FT ELY 59.19FT NWLY 19.04FT TO POB PER

Lot Information
# of Buildings: 1
Land Sq. Ft: 25,112
Legal Lot Number: 3
Municipality Name: KEY BISCAYNE
Acres: 0.5765
Zoning Code: 2000
County Use Description: RES - SINGLE FAMILY : 1 UNIT
State Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 5
Baths: 6.0
Sq. Ft.: 9,458
Stories: 2.0
Lot Size: 0.58 acres
Style: Single Family Residential
Year Built: 2021
Year Renovated: 2021
County: Miami-Dade County
APN: 2452050130040

Home facts updated by county records on Oct 14, 2026

Around this home

Schools

K - 12
Preschool & daycare

Key Biscayne K-8 Center

Public PreK-8 • Assigned • 0.4mi

8/10

Coral Gables Senior High School

Public PreK-12 • Assigned • 6.3mi

5/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

10/10 Flood Factor

Estimated 80%+ chance of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

Heat Factor

We're working on getting current and accurate heat risk information for this home.

10/10 Wind Factor

99% chance of strong winds in next 30 years

2/10 Air Factor

1 unhealthy days expected this year, 1 days in 30 years

Provided by First Street

Historical weather

Key Biscayne, FL • 33149

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 9.5 hours in June and 6.9 hours in December, placing it above the U.S. average for solar exposure.

9.5 hrs

6.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$21.80M – $26.39M

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Nearby similar homes

VIDEO TOUR

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475 Woodcrest Rd, Key Biscayne, FL 33149

Large modern pool • Automated lighting • Energy efficiency

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NEW CONSTRUCTION

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Renovated kitchen • Renovated bathrooms • Impact windows

(786) 865-5534

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4 beds4 baths2,691 sq ft

270 SW 29th Rd, Miami, FL 33129

Custom kitchen • Covered outdoor deck • Spacious backyard

(305) 697-5402

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4 beds5 baths6,661 sq ft

161 Cape Florida Dr, Key Biscayne, FL 33149

Completely remodeled • Brand-new roof • Outdoor oasis

(305) 365-2811

New listings for sale in 33149

$2,200,000

1 bed1 bath849 sq ft

455 Grand Bay Dr #323, Key Biscayne, FL 33149

Private balcony • Luxury spa • Fitness center

(305) 361-1550

$1,495,000

2 beds2 baths1,532 sq ft

251 Crandon Blvd #525, Key Biscayne, FL 33149

Den • Marble floors • Italian kitchen

(305) 365-2811

$1,695,000

2 beds2 baths1,532 sq ft

251 Crandon Blvd #304, Key Biscayne, FL 33149

Beachfront condo • Enclosed den • Renovated kitchen

(305) 598-5488

$19,750,000

6 beds6.5 baths6,468 sq ft

1080 Mariner Dr, Key Biscayne, FL 33149

Private cul-de-sac • Water views • Mangrove views

(305) 666-0562

$520,000

2 beds2 baths965 sq ft

300 Galen Dr #401, Key Biscayne, FL 33149

Corner-unit condo • $971 HOA • Parking

(305) 726-5818

$2,900,000

2 beds2.5 baths2,220 sq ft

251 Crandon Blvd #806, Key Biscayne, FL 33149

Impact windows • $2,452 HOA • 2 garage spots

(646) 480-7665

$12,990,000

4 beds5.5 baths7,400 sq ft

445 Grand Bay Dr Ph -2A, Key Biscayne, FL 33149

Oceanfront living • Panoramic views • Oversized terraces

(305) 365-2811

$2,950,000

3 beds3 baths2,602 sq ft

765 Crandon Blvd #311, Key Biscayne, FL 33149

Enclosed playroom • Serene lake views • $3,395 HOA

(305) 365-0711

$419,000

Studio1 bath410 sq ft

Key Biscayne, FL 33149

Access to beaches • Access to parks • Access to shops

(305) 361-5454

Home values near 635 Sunset Cir

Data from public records.

Address	Redfin Estimate
640 Sunset Cir, Key Biscayne, FL 5 Beds \| 4.5 Baths \| 4234 Sq. Ft.	$9,875,960
620 Harbor Cir, Key Biscayne, FL 3 Beds \| 2 Baths \| 5835 Sq. Ft.	$14,110,324
615 Harbor Cir, Key Biscayne, FL 4 Beds \| 4 Baths \| 2500 Sq. Ft.	$4,032,236
450 West Matheson Dr, Key Biscayne, FL 3 Beds \| 4.5 Baths \| 3962 Sq. Ft.	$11,120,588
571 Harbor Dr, Key Biscayne, FL 6 Beds \| 6.5 Baths \| 4167 Sq. Ft.	$4,033,424
540 Harbor Dr, Key Biscayne, FL 5 Beds \| 4 Baths \| 3867 Sq. Ft.	$7,277,480
635 Harbor Dr, Key Biscayne, FL 6 Beds \| 6.5 Baths \| 4718 Sq. Ft.	$6,403,363

Address	Redfin Estimate
645 Sunset Cir, Key Biscayne, FL 3 Beds \| 3.5 Baths \| 2036 Sq. Ft.	$9,671,305
635 Harbor Cir, Key Biscayne, FL 3 Beds \| 3 Baths \| 3572 Sq. Ft.	$13,148,384
480 West Matheson Dr, Key Biscayne, FL 4 Beds \| 4 Baths \| 3826 Sq. Ft.	$6,731,532
600 Harbor Dr, Key Biscayne, FL 3 Beds \| 2 Baths \| 1929 Sq. Ft.	$3,685,461
565 Harbor Dr, Key Biscayne, FL 5 Beds \| 5 Baths \| 4040 Sq. Ft.	$5,673,766
550 Harbor Dr, Key Biscayne, FL 7 Beds \| 7.5 Baths \| 6497 Sq. Ft.	—
370 West McIntyre St, Key Biscayne, FL 6 Beds \| 6 Baths \| 4208 Sq. Ft.	$6,311,039

Address	Redfin Estimate
527 Bay Ln, Key Biscayne, FL 6 Beds \| 8 Baths \| 5900 Sq. Ft.	$8,245,919
625 Harbor Cir, Key Biscayne, FL 3 Beds \| 3 Baths \| 3692 Sq. Ft.	$4,573,956
460 West Matheson Dr, Key Biscayne, FL 4 Beds \| 3 Baths \| 2947 Sq. Ft.	$10,438,293
530 Harbor Dr, Key Biscayne, FL 4 Beds \| 3 Baths \| 1808 Sq. Ft.	$7,112,804
580 Harbor Dr, Key Biscayne, FL 5 Beds \| 7.5 Baths \| 4740 Sq. Ft.	$6,205,523
561 Harbor Dr, Key Biscayne, FL 3 Beds \| 2 Baths \| 1524 Sq. Ft.	$3,550,325
621 Harbor Dr, Key Biscayne, FL 5 Beds \| 5 Baths \| 4122 Sq. Ft.	$6,025,489

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 33149, FL

Sale history for 635 Sunset Cir

Tax history for 635 Sunset Cir

Zoning and permits

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 33149

Home values near 635 Sunset Cir

More real estate resources