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340 Harbor Dr, Key Biscayne, FL 33149

$9,584,000

Last sold date unavailable

  • 5

    bed

  • 4

    bath

  • 4,328

    Sqft ($1,707/Sqft)

House not for sale
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About 340 Harbor Dr

Property type House
Neighborhood
Year built 1956
HOA fee $0/month
Lot size 0.55 Acre
Movoto estimate
Property description
This 5-bedroom, 4-bathroom single-family home is located at 340 Harbor Dr, Key Biscayne, FL, 33149, in the Village of Key Biscayne neighborhood in Miami-dade County and was built in 1956. This home offers 4,328 square feet of living space on a 23,772 sq ft lot. The estimated market value is $9,584,000, approximately $2,214 per square foot.
$9.58M
Range: $3.25M-$15.9M
Last 30 days 
  • Year Property taxes Tax assessment
  • 2025
    $209,063 +2.2%
    $13,369,770 +2.9%
  • 2024
    $204,540 +1.4%
    $12,992,974 +3.0%
  • 2023
    $201,785 +11.5%
    $12,614,538 +8.06%
  • 2022
    $180,901 +8.7%
    $11,673,140 +16.06%
  • 2021
    $166,490 +0.2%
    $10,058,232
  • 2020
    $166,093 -0.3%
    $10,058,232 -0.07%
  • 2019
    $166,619 +3.3%
    $10,065,038 -0.07%
  • 2018
    $161,336 -1.7%
    $10,072,018 +4.21%
  • 2017
    $164,200 +2.5%
    $9,664,771 +10.0%
  • 2016
    $160,197 +9.4%
    $8,786,156
  • 2015
    $146,436
    —
  • 340 Harbor Dr
    $7.38M
  • Village of Key Biscayne
    $1.9M -15% y/y
  • 33149
    $1.89M -16% y/y
  • Key Biscayne
    $1.89M -15% y/y
No chart available
Statistics calculated by Movoto
Est. value Bed/bath Sqft mi
330 Harbor Dr, Key Biscayne, FL 33149 $18,881,199 5/6 7,178 0.02
350 Harbor Dr, Key Biscayne, FL 33149 $18,231,169 5/5 4,598 0.03
310 Harbor Dr, Key Biscayne, FL 33149 $20,588,875 6/6 8,818 0.04
360 Harbor Dr, Key Biscayne, FL 33149 $18,763,946 7/6 8,674 0.05
335 Harbor Dr, Key Biscayne, FL 33149 $5,223,000 4/3 2,749 0.05
300 Harbor Dr, Key Biscayne, FL 33149 $10,026,000 7/5 7,814 0.06
325 Harbor Dr, Key Biscayne, FL 33149 $6,046,000 5/6 3,650 0.06
365 Harbor Dr, Key Biscayne, FL 33149 $5,794,000 3/3 4,425 0.06

Estimated values are based on public record data and automated valuation models. Values are not guaranteed and may not reflect current market conditions.

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8/10
Key Biscayne K-8 Center
public Grades PK, K-8
Miami-Dade County Public Schools
4/10
Ponce De Leon Middle School
public Grades 6-8
Miami-Dade County Public Schools
6/10
Coral Gables Senior High School
public Grades 9-12
Miami-Dade County Public Schools
Source: GreatSchools.org © 2026. All rights reserved.

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