Off market jul 2025 for $3.4M

$5,814,576

Est. refi paymentEst. refi $25,469/mo

•

3,004

sq ft

345 Harbor Ln, Key Biscayne, FL 33149

About this home

ENJOY FAMILY-STYLE LIVING IN THIS ONE-STORY SPLIT-PLAN 4 BEDROOMS, THREE BATHS HOME SITUATED ON A UNIQUELY OVERSIZED 12,600 SQ. FT. (0.29 AC. ) IRREGULAR LOT. OVER 3,000 SQ. FT. OF LIVING AREA, FEATURING A FORMAL DINING ROOM AND SPACIOUS FLORIDA ROOM OVERLOOKING THE BEAUTIFUL POOL, SPA AND GAZEBO SURROUNDED BY LUSH LANDSCAPING FOR UTMOST PRIVACY. ATTACHED TWO-CAR GARAGE AND SEPARATE LAUNDRY/UTILITY ROOM. PARTIAL IMPACT WINDOWS. QUIET STREET OFF HARBOR DRIVE CLOSE TO ALL KEY BISCAYNE AMENITIES. YEAR-ROUND RESORT LIVING IN KEY BISCAYNE: PARADISE FOUND! EASY TO SHOW WITH 24-HR NOTICE.

Single-familyProperty Type

1951Year Built

0.29 acresLot Size

$1,936Est. Price/Sq.Ft.

2 car garageParking

Listed by Sylvia Iriondo • BHHS EWM Realty

•305-934-7302 (agent)

•sylviairiondo@aol.com (agent)

•305-361-5600 (broker)

•galegomendez.v@ewm.com (broker)

Bought with Maria Pina Horta • Cervera Real Estate Inc.

•305-361-0099 (broker)

•cervera@cervera.com (broker)

Redfin checked: 3 minutes ago

•Source:MARMLS #A11815652

Redfin Estimate

$5,814,576

$2.4M since sold in July 2025$2,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 44.9% higher than the average sale price ($4.01M) of 6 comparable homes.

SOLD OCT 8, 2026
$3,150,000
A
3 beds3 baths2,652 sq ft
3620 Battersea Rd, Miami, FL 33133
SOLD AUG 7, 2026
$3,850,000
B
3 beds3 baths2,518 sq ft
3520 Saint Gaudens Ct, Miami, FL 33133
SOLD JUL 23, 2026
$8,050,000
C
4 beds4.5 baths3,589 sq ft
6840 Sunrise Pl, Coral Gables, FL 33133
SOLD MAY 29, 2026
$2,750,000
D
4 beds4 baths3,255 sq ft
4140 Bonita Ave, Miami, FL 33133
SOLD JUN 1, 2026
$3,500,000
E
4 beds4.5 baths3,661 sq ft
4190 Braganza Ave, Miami, FL 33133
SOLD SEP 8, 2026
$2,770,000
F
4 beds2.5 baths1,927 sq ft
440 Tivoli Ave, Coral Gables, FL 33143

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Earn from this home

Sell

$2,780,735

Est. take-home

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Refinance

Est. cash available

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Rent

$9,085/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 345 Harbor Ln

Year

Property tax

Land + Additions

Assessment*

2025

$60,245 (+96.0%)

$3,276,000 + $498,902

$3,774,902

2024

$30,745 (+1.4%)

$3,276,000 + $498,902

$3,774,902

2023

$30,334 (+4.3%)

2022

$29,082 (−0.3%)

2021

$29,168 (+4.9%)

2020

$27,806 (+2.1%)

2019

$27,234 (+5.4%)

2018

$25,845 (+1.3%)

2017

$25,521 (−0.3%)

2016

$25,594 (−1.4%)

2015

$25,969 (−1.5%)

2014

$26,367 (+2.0%)

2013

$25,860 (+1.2%)

2012

$25,562 (+2.3%)

$1,197,000 + $395,755

$1,592,755

2011

$24,981

Tax history for 345 Harbor Ln

Year

Property tax

Land + Additions

Assessment*

2025

$60,245 (+96.0%)

$3,276,000 + $498,902

$3,774,902

2024

$30,745 (+1.4%)

$3,276,000 + $498,902

$3,774,902

2023

$30,334 (+4.3%)

2022

$29,082 (−0.3%)

2021

$29,168 (+4.9%)

2020

$27,806 (+2.1%)

2019

$27,234 (+5.4%)

2018

$25,845 (+1.3%)

2017

$25,521 (−0.3%)

2016

$25,594 (−1.4%)

2015

$25,969 (−1.5%)

2014

$26,367 (+2.0%)

2013

$25,860 (+1.2%)

2012

$25,562 (+2.3%)

$1,197,000 + $395,755

$1,592,755

2011

$24,981

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

Public record

Public record
Zoning
Permits

Beds

—

Baths

—

Stories

—

Lot width

—

Lot depth

—

Lot size

0.29 Acres

Year renovated

—

Sq. Ft.

—

Year built

—

Style

Other

County

Miami-Dade County

APN

2452050011360

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 14, 2026.

Apr 6, 2026 • Final

Revision

Revise a permit for tree removal.

Grading

Dec 30, 2025 • Final

Preliminary zoning review

Preliminary review for a new single-family home.

New construction

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

Parking

Garage/Carport Information
Has Garage
# of Garage Spaces: 2

Parking
Features: Driveway, Guest
# of Covered Spaces: 2

Interior

Virtual Tour

Bathroom Information
# of Full Bathrooms: 3

Room Information
Room Types: Florida Room

Laundry Information
Features: In Garage, Laundry Tub

Equipment
Appliances: Built-In Oven, Dryer, Dishwasher, Electric Range, Electric Water Heater, Disposal, Gas Range, Microwave, Refrigerator, Washer

Interior Features
Window Features: Impact Glass
Flooring: Marble
Other Features: Built-in Features, Bedroom on Main Level, Entrance Foyer, First Floor Entry, Bar

Exterior

Building Information
Stories: 1
Year Built Details: Resale
Construction Details: Block

Exterior Features
Exterior Features: Fence, Patio
Patio And Porch Features: Patio

Pool and Spa Information
Has Private Pool
Pool Features: In Ground, Pool

Lot Information
Lot Size Area: 12,600
Lot Features: Quarter To Half Acre Lot
Road Frontage Type: City Street
Zoning Description: 0100

Property Information
Direction Faces: West

Financial

Tax Information
Annual Tax Amount: $30,745
Tax Year: 2024

Utilities

Utility Information
Sewer: Public Sewer
Water Source: Public

Heating & Cooling
Has Cooling
Cooling: Central Air
Has Heating
Heating: Central

Location

Community Information
Community Features: Beach, Club Membership Available

Public facts

Beds: —
Baths: —
Sq. Ft.: —
Stories: —
Lot Size: 0.29 acres
Style: Other
Year Built: —
Year Renovated: —
County: Miami-Dade County
APN: 2452050011360

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 • 0.3mi

8/10

Coral Gables Senior High School

Public PreK-12 • Assigned • 6.4mi

5/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

9/10 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

$5.52M – $6.69M

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New listings for sale in 33149

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300 Galen Dr #401, Key Biscayne, FL 33149

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(305) 726-5818

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251 Crandon Blvd #806, Key Biscayne, FL 33149

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

Oceanfront living • Panoramic views • Oversized terraces

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Home values near 345 Harbor Ln

Data from public records.

Address	Redfin Estimate
675 Harbor Drive, Key Biscayne, FL 4 Beds \| 4 Baths \| 3188 Sq. Ft.	$4,659,458
655 Harbor Drive, Key Biscayne, FL 4 Beds \| 3 Baths \| 2673 Sq. Ft.	$4,341,691
685 Harbor Lane, Key Biscayne, FL 5 Beds \| 5.5 Baths \| 5421 Sq. Ft.	$6,482,909
685 Harbor Drive, Key Biscayne, FL 5 Beds \| 6 Baths \| 4487 Sq. Ft.	$6,016,660
680 Harbor Lane, Key Biscayne, FL 4 Beds \| 2 Baths \| 1503 Sq. Ft.	$3,011,006
625 Curtiswood Drive, Key Biscayne, FL 5 Beds \| 5.5 Baths \| 4416 Sq. Ft.	$6,879,790
641 Curtiswood Drive, Key Biscayne, FL 4 Beds \| 2 Baths \| 1827 Sq. Ft.	$3,133,374

Address	Redfin Estimate
355 Harbor Lane, Key Biscayne, FL 4 Beds \| 2 Baths \| 1918 Sq. Ft.	$2,907,054
687 Harbor Lane, Key Biscayne, FL 3 Beds \| 1 Baths \| 1896 Sq. Ft.	$2,745,281
681 Harbor Lane, Key Biscayne, FL 3 Beds \| 2 Baths \| 1351 Sq. Ft.	$2,846,561
686 Harbor Lane, Key Biscayne, FL 4 Beds \| 2 Baths \| 1739 Sq. Ft.	$3,362,442
375 Harbor Lane, Key Biscayne, FL 5 Beds \| 4.5 Baths \| 4444 Sq. Ft.	$5,557,894
630 Curtiswood Drive, Key Biscayne, FL 3 Beds \| 2 Baths \| 1953 Sq. Ft.	$3,146,249
650 Curtiswood Drive, Key Biscayne, FL 6 Beds \| 4.5 Baths \| 3498 Sq. Ft.	—

Address	Redfin Estimate
365 Harbor Lane, Key Biscayne, FL 3 Beds \| 2 Baths \| 2169 Sq. Ft.	$3,263,534
335 Harbor Lane, Key Biscayne, FL 4 Beds \| 3 Baths \| 3580 Sq. Ft.	$5,058,629
360 Harbor Lane, Key Biscayne, FL 6 Beds \| 5.5 Baths \| 4341 Sq. Ft.	—
350 Harbor Lane, Key Biscayne, FL 5 Beds \| 6 Baths \| 3400 Sq. Ft.	$6,112,320
649 Curtiswood Drive, Key Biscayne, FL 5 Beds \| 4 Baths \| 2520 Sq. Ft.	$3,428,335
642 Curtiswood Drive, Key Biscayne, FL 4 Beds \| 2 Baths \| 1802 Sq. Ft.	$3,284,116
675 Curtiswood Drive, Key Biscayne, FL 4 Beds \| 2 Baths \| 2235 Sq. Ft.	$3,020,637

Property information provided by MARMLS when last listed in 2025. This data may not match . Learn more.

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About this home

Redfin Estimate

Earn from this home

Market trends in 33149, FL

Sale history for 345 Harbor Ln

Tax history for 345 Harbor Ln

Public record

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 345 Harbor Ln

More real estate resources