OFF MARKET

Off market dec 2020 for $465K

$971,742

Est. refi paymentEst. refi $4,272/mo

•

1,300

sq ft

400 3rd St, Key Colony Beach, FL 33051

About this home

Single-familyProperty Type

2019Year Built

6,600 sq ftLot Size

$747Est. Price/Sq.Ft.

Listed by Steve Smith, P.A. • Ocean Sotheby's International

Bought with Steve Smith, P.A. • Ocean Sotheby's International

Redfin checked: a minute ago

•Source:FLKMLS #593816

Redfin Estimate

$971,742

$507K since sold in December 2020$20K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 6.8% lower than the average sale price ($1.04M) of 6 comparable homes.

SOLD JUL 9, 2026
$1,275,000
A
3 beds2 baths1,642 sq ft
292 Sadowski, KEY COL BCH, FL 33051
SOLD APR 24, 2026
$1,300,000
B
3 beds2 baths1,540 sq ft
270 Sadowski, Key Colony, FL 33051
SOLD JUL 29, 2026
$1,200,000
C
3 beds2 baths1,152 sq ft
11284 3rd Avenue Ocean, Marathon, FL 33050
SOLD JUL 8, 2026
$485,000
D
3 beds2 baths1,188 sq ft
599 W 105Th Street Ocean St, Marathon, FL 33050
SOLD SEP 25, 2026
$995,000
E
2 beds2 baths1,288 sq ft
350 11th St, Key Colony Beach, FL 33051
SOLD NOV 20, 2025
$999,000
F
3 beds2 baths1,170 sq ft
918 W Ocean Dr, Key Colony Beach, FL 33051

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Earn from this home

Refinance

Est. cash available

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Market trends in 33051, FL

Last updated September 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-List Price

96.5%

+0.1% MoM

Median sale price

$497K

$38K MoM

Avg. days on market

256d

173 days MoM

Recently sold homes

1 MoM

Provided by Redfin

Sale history for 400 3rd St

Date

Event

Price

FLKMLS #593816

Dec 18, 2020

Sold

$465,000

$358/sq ft

Dec 17, 2020

Listed

$465,000

$358/sq ft

FLKMLS #587675

May 1, 2020

Listing Removed

—

Oct 9, 2019

Listed

$465,000

$358/sq ft

FLKMLS #571284

Jun 28, 2016

Sold

$95,000

$73/sq ft

Jun 27, 2016

Listed

$95,000

$73/sq ft

Public Records

Feb 10, 2009

Sold

$1,200,000

$923/sq ft

Public Records

Mar 28, 2006

Sold

$1,250,000

$962/sq ft

Public Records

May 3, 2000

Sold

$80,000

$62/sq ft

Tax history for 400 3rd St

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

Public record

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

6,600 Sq. Ft.

Year renovated

2019

Sq. Ft.

2,536

Year built

2019

Style

Multi-Family (2-4 Unit)

County

Monroe County

APN

0466 33 00072540000000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jan 26, 2023.

Property details

Parking

Parking / Garage Information
Vehicle Storage: Carport, Off Street Parking, Covered Parking

Interior

Interior Features
Interior Features: Tray Ceilings, Walk-in Closet
Flooring: Laminate
Windows/Doors: Aluminum Windows, Impact Rstnce Window, Impact Rstnce Doors, Glass Doors
Cooling/Heating: Ceiling Fans, Heat, Central A/C
Appliances: Dishwasher, Refrigerator, Range, Oven, Microwave

Bathroom Information
# of Full Baths: 2

Specialty Room Information
Specialty Rooms: Laundry Room

Exterior

Boat Slip/Dock Information
Dockage: None

Security
Other Security, Patrolled Area

Property Features
Waterfront Type: None
Waterview: No Waterview

Property Information
Property Condition: New Construction
Deed Restrictions: No
Pets: Pets Allowed
Rentals Allowed: With Restrictions
Min Rental Days: 7

Lot Information
Acres: 0.15
Zoning: R-2A - Key Colony Two Family
Land Size: Less Than 1/4 Acre
Flood Zone: AE

Building Information
Year Built: 2,019
Sq. Ft. Source: Blue Print
Building Style: Above Flood: Yes
Building Style: Stilt Column Height: Medium - 5Ft - 9Ft
Construction: CBS
Roof: Metal Roof

Subdivision/Neighborhood
Subdivision: Key Colony Beach (53.5)
Marathon Neighborhood: Marathon East - Gulf (Airport to Vaca)

Financial

Tax Information
Taxes: $3,145.25
Tax Year: 2,020
Tax Exemptions: None

Financial Information
Terms: Cash, VA, Conventional, FHA

Utilities

Utility Information
Utilities: Cable Available, FKAA, Elect Separate Meter, Community Sewer Plant
Has Public Sewer Hook-up

Location

Homeowners Association Information
Association Info: 1st Right of Refusal: No
Association Info: Association Fee $: 0.00
Fee Includes: None

Location Information
Side: Ocean
Mile Marker: 53.50

Neighborhood Features
Community Boat Ramp, Tennis Courts, Community Pool

Public facts

Beds: 6
Baths: 4.0
Sq. Ft.: 2,536
Stories: 2.0
Lot Size: 6,600 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 2019
Year Renovated: 2019
County: Monroe County
APN: 0466 33 00072540000000

Home facts updated by county records on Jan 25, 2023

Around this home

Schools

Stanley Switlik Elementary School

Public PreK-5 • Assigned • 5.1mi

5/10

Marathon School

Public 6-12 • Assigned • 4.2mi

5/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Historical weather

Key Colony Beach, FL • 33051

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 10 hours in June and 7.3 hours in December, placing it above the U.S. average for solar exposure.

10 hrs

7.3 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$924,000 – $1.12M

Sell confidently with a local market expert in Key Colony Beach. 3 minutes to get started.

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3D WALKTHROUGH

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Home values near 400 3rd St

Data from public records.

Address	Redfin Estimate
380 3rd Street, Key Colony Beach, FL 3 Beds \| 2 Baths \| 1430 Sq. Ft.	$577,185
370 3rd Street, Key Colony Beach, FL 2 Beds \| 2 Baths \| 1380 Sq. Ft.	$694,779

Address	Redfin Estimate
401 3rd Street, Key Colony Beach, FL 6 Beds \| 6 Baths \| 4708 Sq. Ft.	$2,860,097
381 3rd Street, Key Colony Beach, FL 3 Beds \| 3 Baths \| 1372 Sq. Ft.	$1,304,377

Address	Redfin Estimate
421 3rd Street, Key Colony Beach, FL - Beds \| 1 Baths \| 2474 Sq. Ft.	$1,076,105
420 3rd Street, Key Colony Beach, FL 3 Beds \| 2 Baths \| 1268 Sq. Ft.	$746,579

Property information provided by FLKMLS when last listed in 2020. This data may not match . Learn more.

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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 33051, FL

Sale history for 400 3rd St

Tax history for 400 3rd St

Public record

Property details

Around this home

Schools

Lifestyle

Historical weather

Sun exposure

Nearby similar homes

Home values near 400 3rd St

More real estate resources