For sale

$1,400,000

Est. $9,969/mo —

•

3 ba

•

2,140

sq ft

401 5th St, Key Colony Beach, FL 33051

About this home

Make Us Move. 4/3, $654/sq. ft. 2-story concrete/stucco duplex built this century. 600 sq. ft. Open Concept Living, Dining, Kitchen. 385 sq. ft. of second living area. Extensive interior remodel and paint in the 2020. New custom Real Walnut kitchen cabinets, quartz countertops, glass backsplash, undercounter LED and stainless appliances. Bathrooms have new custom cabinets, sinks, quartz countertops, mirrors, lights and fixtures. All the windows have new custom white slat blinds. Dining room has large motorized blinds. Interior and Exterior stairs, upper and lower patios (also a Juliette balcony off master BR). 3 coats full exterior SW Exterior Emerald paint. Lots of storage/closets. A half block from the private Cabana Club (separate membership needed). Great Price per sq. ft. Great sunsets from dining room. Great Elevation.

2010Year Built

$654Price/Sq.Ft.

Source:FSBO.com#cmun7zdg60080s601bg0jrxm5

Payment calculator

$9,969 per month

Principal and interest$7,927

Property taxes

$618

HOA dues

Home insurance

$1,423

Utilities

Add

Affordability tools

See this home in person

We'll connect you with a local agent to show you this home, answer your questions, and assist you on your buying journey.

Next available tour time: Today

Open houses

No upcoming open houses.

Nearby open houses (5)

OPEN TODAY, 3PM TO 4PM
$3,795,000
5 beds4 baths2,628 sq ft
813 39Th St Gulf St, Marathon, FL 33050
OPEN THU, 11AM TO 1PM
$2,950,000
3 beds2 baths1,528 sq ft
800 11Th St, Key Colony, FL 33051
OPEN THU, 11AM TO 1PM
$3,700,000
4 beds4 baths4,369 sq ft
431 12th St, Key Colony Beach, FL 33051
OPEN FRI, 11AM TO 1PM
$1,299,000
4 beds2.5 baths3,647 sq ft
235 Tropical Ave, Grassy Key, FL 33050
OPEN SAT TO 3PM
$4,490,000
5 beds4.5 baths3,826 sq ft
865 50th Street Gulf, Marathon, FL 33050
(305) 595-8616

Around this home

Schools

K - 12
Preschool & daycare

Stanley Switlik Elementary School

Public PreK-5 • Assigned • 4.9mi

5/10

Marathon School

Public 6-12 • Assigned • 4.0mi

5/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Market insights

401 5th St · $1,400,000

DAYS ON MARKET

The average home goes pending in 134 days.

SALE-TO-LIST

Most homes are selling 6% below list price.

LIST PRICE

Median sale price in this area is $1,044,075. (25% lower than this home)

PRICE DROP

16% of homes in this area have had a price drop in the past month.

Property details

Sale and tax history for 401 5th St

Sale History
Tax History

Date

Event

Price

FSBO.com #cmun7zdg60080s601bg0jrxm5

Sep 30, 2026

Listed

$1,400,000

$654/sq ft

FLKMLS #591031

Oct 29, 2020

Sold

$710,000

$332/sq ft

May 29, 2020

Listed

$725,000

$339/sq ft

+48

ACCEPTING OFFERS NOW! Best SF Price available in this, 4 bedrooms, 1 no closet) 2 Levels of Living with 2 bedrooms, living room, game rm & full bath on 1st floor. 2 Bedrooms, 2 baths, kitchen, laundry room & 2 porches on 2nd level. Roomy, warm and spacious and ready for you to call home, vacation rental or weekend escape. Ideally located with 30 ft concrete dock for the angler , diver or boater, just 5 minutes to the open ocean and 10 minutes to the open gulf. Great outdoor living areas covered & uncovered, paved patio. You can walk or bike the entire city to the marina, golf, restaurants, tennis, pickle ball, basketball, playgrounds, horseshoes, bocce ball , post office & Sunset Park. This one has it all for you to start living the island life you deser

FLKMLS #587140

May 27, 2020

Listing Removed

—

Aug 26, 2019

Listed

$759,000

$355/sq ft

FLKMLS #558578

May 15, 2020

Listing Removed

—

Jul 25, 2012

Listed

$599,000

$280/sq ft

FLKMLS #517504

Aug 29, 2003

Sold

$690,000

$322/sq ft

Jul 24, 2003

Listed

$690,000

$322/sq ft

FLKMLS #501984

Oct 2, 2001

Sold

$370,000

$173/sq ft

Mar 29, 2000

Listed

$372,000

$174/sq ft

FLKMLS #505426

May 22, 2001

Listing Removed

—

Jan 11, 2001

Listed

$720,000

$336/sq ft

Public Records

Jul 12, 1999

Sold

$172,500

$81/sq ft

Public Records

Jan 9, 1997

Sold

$75,000

$35/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$7,416 (+0.4%)

2024

$7,385 (+3.0%)

2023

$7,166 (+3.9%)

2022

$6,899 (−0.9%)

2021

$6,965 (+9.3%)

$228,888 + $462,053

$690,941

2020

$6,373 (−0.3%)

$218,790 + $392,936

$611,726

2019

$6,392 (+3.8%)

$218,790 + $392,936

$611,726

2018

$6,160 (+3.8%)

$213,287 + $400,964

$614,251

2017

$5,937 (+15.7%)

$220,085 + $406,112

$626,197

2015

$5,130 (−0.3%)

$221,750 + $355,815

$577,565

2014

$5,146

Public record

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

6,600 Sq. Ft.

Year renovated

2010

Finished Sq. Ft.

2,140

Unfinished Sq. Ft.

—

Total Sq. Ft.

2,140

Year built

2001

Style

Single Family Residential

County

Monroe County

APN

0466 33 00073780000000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Apr 21, 2026.

Climate risks

1/10 Flood Factor

Minimal risk 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

1/10 Air Factor

0 unhealthy days expected this year, 0 days in 30 years

Provided by First Street

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

Redfin Estimate for 401 5th St

There isn’t enough information to generate an accurate estimate at this time. Learn More

Tour for free, no strings attached

Instant answers, or connect with a local agent

Start an offer

Early Access listings

EARLY ACCESSCOMPASS COMING SOON

$3,250,000

3 beds6 baths5,999 sq ft

7383 Orangewood Ln #505, Boca Raton, FL 33433

EARLY ACCESSCOMPASS COMING SOON

$269,999

2 beds2 baths770 sq ft

2106 S Cypress Bend Dr #207, Pompano Beach, FL 33069

EARLY ACCESSREDFIN COMING SOON

$350,000

3 beds2.5 baths1,584 sq ft

2318 SE Tavares Dr #4507, Port St. Lucie, FL 34952

EARLY ACCESSCOMPASS COMING SOON

$610,000

2 beds2 baths1,121 sq ft

92 SW 3rd St #1604, Miami, FL 33130

EARLY ACCESSREDFIN COMING SOON

$525,000

1 bed2 baths852 sq ft

45 SW 9th St #1005, Miami, FL 33130

EARLY ACCESSREDFIN COMING SOON

$495,000

2 beds2 baths1,120 sq ft

1202 S M St, Lake Worth, FL 33460

Nearby similar homes

$899,000

3 beds2 baths1,530 sq ft

31247 Avenue J, Big Pine Key, FL 33043

$1,439,000

4 beds3 baths1,840 sq ft

219 Sombrero Beach Rd #2, Marathon, FL 33050

$3,300,000

4 beds3.5 baths2,540 sq ft

355 Stirrup Key Blvd, Marathon, FL 33050

3D WALKTHROUGH

$799,000

4 beds4 baths2,284 sq ft

1160 Avenue A, Big Pine Key, FL 33043

$1,349,000

4 beds3 baths2,152 sq ft

850 E 105th Street Ocean E, Marathon, FL 33050

(305) 485-3100

$2,350,000

3 beds2 baths1,722 sq ft

280 14th St, Key Colony Beach, FL 33051

Details provided by FSBO.com and may not match the public record. Learn more.

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

Houses for rent in Key Colony Beach	Agents near me	Sarasota, FL homes for sale	Key Colony Beach Housing Market
Houses for sale near me	Orlando, FL homes for sale	Fort Lauderdale, FL homes for sale
Land for sale near me	Tampa, FL homes for sale	Boca Raton, FL homes for sale
Open Houses near me	Miami, FL homes for sale	Key Colony Beach Property Records
Condos for sale near me	Jacksonville, FL homes for sale	FL New Listings

401 5th St, Key Colony Beach, FL 33051

About this home

Payment calculator

Affordability tools

See this home in person

Nearby open houses (5)

Around this home

Schools

Lifestyle

Market insights

Property details

Exterior

Public facts

Sale and tax history for 401 5th St

Public record

Climate risks

Historical weather

Sun exposure

Redfin Estimate for 401 5th St

Early Access listings

Nearby similar homes

More real estate resources

Big Pine Key homes for sale
Marathon homes for sale
Duck Key homes for sale