420 Harbour Dr, Duck Key, FL 33050
OFF MARKET

$2,952,100

Trulia Estimate
  • 3 Beds
  • 4 Baths
  • 1,850 sqft (on 0.53 acres)

420 Harbour Dr, Duck Key, FL 33050

Est. Refi. Payment $17,693/mo*
Refinance Your Home
Currently Off Market - Sold Mar 5, 2003 for $396,800

Home Value

Trulia Estimate
$2.95M
Since last month
Decreased$66K (-2.2%)
Since last year
Increased$108K (+3.8%)
Since last sale
Increased$3M (+644%)
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 +100% in the last 10 years
MonthEstimated value
2026
August 2026$2.95M
August 2026$2.94M
July 2026$3.02M
June 2026$3.02M
May 2026$3M
April 2026$2.91M
March 2026$2.88M
February 2026$2.87M
January 2026$2.82M
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
1103 S Indies Dr, Duck Key, FL
0.29
Single-Family Home
$735,000
09/18/25
3
2
1,974
108 Jamaica St, Duck Key, FL
0.39
Single-Family Home
$925,000
05/11/26
3
3
1,548
121 Bimini Dr, Duck Key, FL
0.32
Single-Family Home
$1,275,000
05/27/26
3
2.5
2,351
219 Schooner Ln, Duck Key, FL
0.24
Single-Family Home
$850,000
08/25/26
3
2
1,566
227 CORSAIR ROAD, Duck Key, FL
0.21
Single-Family Home
$1,360,000
05/15/26
4
3
1,960
196 S Indies Dr, Duck Key, FL
0.34
Single-Family Home
$1,725,000
02/10/26
3
3
2,088
136 Bimini Dr, Duck Key, FL
0.36
Single-Family Home
$1,800,000
07/08/26
3
2
1,830
261 W Seaview Dr, Duck Key, FL
0.51
Single-Family Home
$1,300,000
04/30/26
3
2
1,869
254 W Seaview Cir, Duck Key, FL
0.39
Single-Family Home
$4,000,000
12/12/25
4
4
2,519
212 Schooner Ln, Duck Key, FL
0.26
Single-Family Home
$2,000,000
11/03/25
4
4
3,172

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
417 Harbour Dr, Duck Key, FL 33050
0.06
$2,730,500
2
3
1,350
Off Market
425 Harbour Dr, Duck Key, FL 33050
0.07
$2,899,000
2
3
1,247
For Sale
407 Harbour Dr, Duck Key, FL 33050
0.10
$4,614,100
6
4
3,344
Off Market
402 Harbour Dr, Duck Key, FL 33050
0.14
$6,929,400
5
5
5,845
Off Market
437 Harbour Dr, Duck Key, FL 33050
0.14
$5,075,100
3
3
2,780
Off Market
224 Corsair Rd, Duck Key, FL 33050
0.19
$3,845,800
4
4.5
3,530
Off Market
227 CORSAIR ROAD, Duck Key, FL 33050
0.21
$1,360,000
4
3
1,960
Recently Sold
Corsair Drive Aly, Duck Key, FL 33050
0.22
-
-
-
-
Off Market
213 Schooner Ln, Duck Key, FL 33050
0.23
$1,559,500
3
2
2,098
Off Market
219 Schooner Ln, Duck Key, FL 33050
0.24
$850,000
3
2
1,566
Recently Sold
206 Schooner Ln, Marathon, FL 33050
0.25
$634,200
2
1
857
Off Market
212 Schooner Ln, Duck Key, FL 33050
0.26
$2,031,900
4
4
3,172
Off Market

Local Information

  • Map ViewExplore the area around 420 Harbour Dr.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Single-Family Home
Built in 2007
0.53 acre lot
1,850 sqft
$1,596/sqft
Garage

About this House

This single-family home is located at 420 Harbour Dr, Duck Key, FL. 420 Harbour Dr is in Duck Key, FL and in ZIP code 33050. This property has 3 bedrooms, 4 bathrooms and approximately 1,850 sqft of floor space. This property has a lot size of 0.53 acres and was built in 2007.
420 Harbour Dr, Duck Key, FL 33050 is a 3 bedroom, 4 bathroom, 1,850 sqft single-family home built in 2007. It last sold for $396,800 on Mar 5, 2003. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $2,952,100, with a rent estimate of $5,719/month.

Home Details for 420 Harbour Dr

Interior Features

Heating & Cooling
Heating: Forced AirHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 2Floors: Other

Exterior Features

Exterior Home Features
Roof: MetalExterior: StuccoFoundation Type: PilingPatio
Pool
Pool
Parking & Garage
GarageParking: Carport, Garage

Property Information

Year Built
Year Built: 2007Year Updated: 2007
Property Type / Style
Property Type: Single Family Home

Community

Units in Building: 1

Lot Information

Lot Area: 0.53 acres

Price and Tax history

DateEventPrice
Mar 5, 2003
Source: N/A
Sold
$396,800

Market trends in Marathon

Last updated August 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$774K
$51.67KMoM
Sale-to-List Price
—
Price per sq ft
$630
$2MoM
Available listings
255
7MoM

Around this home

What Locals Say about Marathon

At least 61 Trulia users voted on each feature.

  • 83 % Say car is needed

  • 79 % Say people would walk alone at night

  • 76 % Say parking is easy

  • 72 % Say it's quiet

  • 70 % Say it's dog friendly

  • 70 % Say yards are well-kept

  • 68 % Say there's holiday spirit

  • 61 % Say it's walkable to restaurants

  • 53 % Say there's wildlife

  • 53 % Say they plan to stay for at least 5 years

  • 51 % Say there are community events

  • 49 % Say kids play outside

  • 45 % Say neighbors are friendly

  • 37 % Say it's walkable to grocery stores

  • 36 % Say there are sidewalks

  • 29 % Say streets are well-lit

Sourced by Trulia users. Learn more about our methodology.
  • 4yrv5tc4qr
    "Seafood festival, theater, music festival, turtle releases, homecoming parade, 4th of July fireworks on the beach"
    1
    Flag
  • Ingridfox
    "people love walking dogs on the beach and dog dog park at Sombrero Beach. A lot of restaurants are dog friendly. This is a great place for dog owners. "
    1
    Flag
  • C E.
    "There is no place for kids to hang out really except for the skate park. There are no malls, no skating rinks, no places for kids to meet safely. "
    1
    Flag
  • Jan M.
    "We have basic public transportation. I’d take a taxi anywhere in town. .............................,,"
    0
    Flag
  • Erin F.
    "There’s plenty of grass, sidewalks and quiet roads to walk along.. plus the public beach is always a dogs favorite adventure.. just pick up after your dog!"
    2
    Flag
  • Thurmankolb
    "Yes! Dog park just down the street. Lots of neighbors know each other by our dogs. Great vets n Marathon and good groomer."
    6
    Flag
  • Thurmankolb
    "Lots of community events and activities. Fishing tournaments, seafood festival, school carnivals, etc... "
    2
    Flag
  • Jamie B.
    "Everyone gets together for the kids at Halloween. We have a community park with special events planned for the kids and the beach is the sight for a special 4th of July. "
    0
    Flag
  • Abiezer31
    "Of course ,the neighbors the owner and dog are very nice I’m very proud living in my house.and this neighborhood "
    3
    Flag
  • Darren S.
    "I live off the beaten path across the street from a golf course. It's very quiet and tranquil. throb marinas surrounding the property and can walk to All shops and stores."
    0
    Flag
  • Cyndiepalmer
    "We are a friendly neighborhood. You walk your street and say Hi anytime. It is a safe street to live "
    0
    Flag
  • Ksperkinson
    "Safe clean near ocean good police pet friendly hospital is coming along in the construction have contract here at hospital looking forward to finding a good place for 3 months"
    0
    Flag
  • Stephanie M.
    "A lot of kids and cars. A fire station that is noisey but nice. Lizards everywhere. There is one hotel on this small island. There are A lot of Vacation homes here and crab catchers. When it rains you can't see the road."
    0
    Flag
  • Lb2071
    "water front community , is a small island called Flamingo Island. We have a 9 hole golf course and just 5 minutes from Publix and Kmart. Sombrero beach is right at the outset of the canals on the Atlantic ocean and the people are very loving and friendly."
    0
    Flag
  • Gonzalez8834
    "Marathon is a great place to life and have a family, very safe, quiet and full of great people. ......"
    0
    Flag
  • Tom A. C. M.
    "I live here (14 years) and love the area. Close accessibility to shopping, schools, churches, golf, beach, walking, biking. "
    0
    Flag
  • Anne K.
    "Lived here for many years and is one of the best places to live in Marathon. Conveniently located near schools, parks, shopping and beach just minutes away."
    0
    Flag
  • Debra G.
    "Only 8 miles from Marathon. Away from the winter traffic, airport noise. Crystal clean, flow through canals. Great place to vacation and a great place to live. "
    0
    Flag

LGBTQ Local Legal Protections

Frequently asked questions about 420 Harbour Dr

  • What is 420 Harbour Dr estimated to be worth?
    Trulia's estimated value for 420 Harbour Dr in Duck Key, FL is $2,952,100.
  • What is the price history for 420 Harbour Dr?
    420 Harbour Dr in Duck Key, FL last sold for $396,800 in March 2003.
  • Is Duck Key a buyer's or seller's market?
    Duck Key is currently a buyer's market, based on recent for-sale activity.
  • What's the median sale price in Duck Key?
    The median sale price in Duck Key is $774K. That is up $51.67K from the prior month.
  • Does 420 Harbour Dr have a pool?
    Yes, 420 Harbour Dr in Duck Key, FL has a pool.
  • How big is the lot at 420 Harbour Dr?
    The lot at 420 Harbour Dr in Duck Key, FL is about 0.53 acres (23,158 sq ft).

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