For sale

$1,380,000

Est. $9,632/mo —

•

2,052

sq ft

341 9th St, Key Colony Beach, FL 33051

About this home

Waterfront Living in the Heart of Key Colony Beach! Discover the perfect blend of space, comfort, and the Florida Keys boating lifestyle in this beautifully updated 3-bedroom, 2.5-bath half duplex offering just over 2,000 square feet of living space. The spacious interior features updated flooring throughout, a beautifully updated kitchen with stainless steel appliances, and plenty of room for entertaining family and friends. A two-car garage provides ample space for vehicles, storage, and all your Keys lifestyle essentials. Boating enthusiasts will appreciate the 37.5 feet of dockage with low-maintenance Trex decking, along with easy ocean access and convenient bay access through Vaca Cut, making it effortless to enjoy a day on the water. The freshly painted exterior adds to the property's appeal. Located in the desirable island community of Key Colony Beach, you'll enjoy easy access to a wealth of amenities, including a Par 3 golf course, pickleball courts, parks, scenic biking and walking paths, local restaurants, and the beloved Sunset Park, where breathtaking sunsets are part of everyday life. Whether you're searching for a full-time residence or a Florida Keys getaway, this waterfront property offers the space, boating access, and island lifestyle you've been looking for. Come experience why life is better on the water in Key Colony Beach!

Single-familyProperty Type

1991Year Built

4,125 sq ftLot Size

$673Price/Sq.Ft.

Listed by Natalie Ardis, P.A. Ardis • Coldwell Banker Schmitt Real Estate Co.

Listing updated: Oct 31, 2026 at 02:14am

Redfin checked: a minute ago

•Source:FLKMLS #621875

Payment calculator

$9,632 per month

Principal and interest$7,338

Property taxes

$662

HOA dues

Home insurance

$1,633

Utilities

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Open houses

No upcoming open houses.

Nearby open houses (10)

OPEN TODAY, 12PM TO 2PM
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3 beds2 baths988 sq ft
275 30th Street Ocean, Marathon, FL 33050
5,000 sq ft lot • 3 parking spots • Pool
OPEN TODAY, 4PM TO 6PM
$799,000
3 beds2 baths— sq ft
385 Orange Ave, Grassy Key, FL 33050
Parking • Pool • Built 1991
(954) 545-5583
OPEN SAT, 11AM TO 4PM
$18,000,000
6 beds6.5 baths6,126 sq ft
260 15th Cir, Key Colony Beach, FL 33051
0.74 acre lot • Garage • Pool
OPEN SAT, 11AM TO 1PM3D WALKTHROUGH
$1,499,000
4 beds4 baths1,924 sq ft
9104 Aviation Blvd, Marathon, FL 33050
7,500 sq ft lot • 4 parking spots • Built 1978
OPEN SAT, 11AM TO 1PM
$1,975,000
3 beds3 baths2,402 sq ft
364 E Seaview Dr, Duck Key, FL 33050
7,500 sq ft lot • 3 parking spots • Built 1982
OPEN SAT, 1:30PM TO 3PM
$899,999
2 beds2 baths1,308 sq ft
1025 W Ocean Dr Unit 2 W, Key Colony Beach, FL 33051
$1,500 HOA • Pool • Built 1978
OPEN SAT, 2PM TO 4PM
$389,000
Land— sq ft
6099 Overseas Hwy Unit 67W, Marathon, FL 33050
Listed 7 days
OPEN SAT, 2PM TO 4PM
$289,000
1 bed1 bath408 sq ft
6099 Overseas Hwy Lot 60W, Marathon, FL 33050
Built 1992 • Listed 7 days
OPEN SUN, 12PM TO 2PM
$575,000
2 beds1.5 baths910 sq ft
101 11th Street Ocean #35, Marathon, FL 33050
Parking • Built 2020 • Listed 3 days
OPEN NOV 11, 11AM TO 3PM
$2,599,000
3 beds2 baths1,760 sq ft
217 Bruce Ct, Marathon, FL 33050
8,500 sq ft lot • Garage • Pool

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Around this home

Schools

K - 12
Preschool & daycare

Stanley Switlik Elementary School

Public PreK-5 • Assigned • 4.6mi

4/10

Marathon School

Public 6-12 • Assigned • 3.7mi

4/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Offer insights

341 9th St · $1,380,000

Strong offer

$1.38M and above

75% chance or better to win

Why $1.38M+ is a strong offer

DAYS ON MARKET

The average home goes pending in 169 days.

SALE-TO-LIST

Most homes are selling 6% below list price.

About offer insights

Property details

Interior
Exterior
Finance

Kitchen

Bathroom

Bedroom

Living

Dining

Interior features
Storage
Bar
Built-in features
Granite counters
Blinds
Drapes
Furnished
Therapeutic whirlpool

Bathrooms
2 full bathrooms
1 half bathroom

Kitchen
Dishwasher
Refrigerator
Range
Oven
Microwave
Disposal
Stainless steel appliances

Laundry & utility
Washer
Dryer
Laundry room

Flooring
Tile
Wood

Heating & cooling
Central heating
Central air
Heat pump
Ceiling fans

Sale and tax history for 341 9th St

Sale History
Tax History

Date

Event

Price

FLKMLS #621875

Oct 30, 2026

Listed

$1,380,000

$673/sq ft

FLKMLS #542164

May 15, 2020

Listing Removed

—

Jul 18, 2007

Listed

$749,000

$365/sq ft

FLKMLS #566430

Aug 5, 2015

Sold

$678,000

$330/sq ft

Jan 20, 2015

Listed

$715,000

$348/sq ft

+24

FLKMLS #564913

Oct 29, 2014

Sold

$669,000

$326/sq ft

Aug 4, 2014

Listed

$695,000

$339/sq ft

FLKMLS #549407

May 13, 2010

Sold

$475,000

$231/sq ft

Aug 7, 2009

Listed

$475,000

$231/sq ft

FLKMLS #532245

Dec 8, 2006

Listing Removed

—

Dec 5, 2005

Listed

$1,087,000

$530/sq ft

Public Records

Apr 13, 2005

Sold

$830,000

$404/sq ft

FLKMLS #524370

Feb 22, 2005

Sold

$830,000

$404/sq ft

Nov 1, 2004

Listed

$829,000

$404/sq ft

Public Records

Feb 12, 2004

Sold

$400,000

$195/sq ft

FLKMLS #414468

Jun 6, 1999

Sold

$330,000

$161/sq ft

Apr 24, 1999

Listed

$345,000

$168/sq ft

Public Records

Jul 24, 1996

Sold

$275,000

$134/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$7,940 (+4.0%)

2024

$7,632 (+7.2%)

2023

$7,120 (+11.5%)

2022

$6,386 (+10.4%)

2021

$5,783 (+5.1%)

$260,906 + $269,959

$530,865

2020

$5,504 (−7.1%)

$247,500 + $274,132

$521,632

2019

$5,927 (+12.0%)

$247,500 + $274,132

$521,632

2018

$5,294 (−5.9%)

$247,500 + $273,416

$520,916

2017

$5,628 (−1.9%)

$247,500 + $324,156

$571,656

2015

$5,738 (+34.3%)

$247,500 + $313,839

$561,339

2014

$4,272

Public record

Public record
Permits

Beds

Baths

2.5

Stories

Lot width

—

Lot depth

—

Lot size

4,125 Sq. Ft.

Year renovated

2006

Finished Sq. Ft.

2,052

Unfinished Sq. Ft.

—

Total Sq. Ft.

2,052

Year built

1991

Style

Single Family Residential

County

Monroe County

APN

0566 33 00075570000100

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 10, 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

94/ 100

Exceptional sunlight

Sunscore

This home receives average direct sun exposure in Key Colony Beach. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

9.5 hrs

7 hrs

JuneDecember

Provided by Shadowmap

Redfin Estimate for 341 9th St

$1,370,487

$9,513 under list price of $1.38M

Nearby comparable homes

The Redfin Estimate uses 6 recent nearby sales, priced between $995K to $1.4M.

SOLD JUL 9, 2026
$1,275,000 Last sold price
3 beds2 baths1,642 sq ft
292 Sadowski, KEY COL BCH, FL 33051
$103/sq ft
larger lot
14 years newer
SOLD APR 10, 2026
$1,340,000 Last sold price
4 beds3 baths1,813 sq ft
351 10th St, Key Colony Beach, FL 33051
$66/sq ft
1 year newer
SOLD APR 10, 2026
$1,400,000 Last sold price
4 beds4 baths2,293 sq ft
570 9Th St, Key Colony Beach, FL 33051
$62/sq ft
15 years newer
SOLD SEP 25, 2026
$995,000 Last sold price
2 beds2 baths1,288 sq ft
350 11th St, Key Colony Beach, FL 33051
$100/sq ft
11 years older
SOLD MAY 22, 2026
$1,100,000 Last sold price
3 beds3 baths1,511 sq ft
351 8Th St, Key Colony, FL 33051
$55/sq ft
21 years older
SOLD JAN 30, 2026
$1,335,000 Last sold price
3 beds3.5 baths1,830 sq ft
541 8th St, Key Colony Beach, FL 33051
$57/sq ft
3 years newer

Rental earnings

Est. $3,052 per month, based on comparable rentals

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

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About this home

Payment calculator

Affordability tools

See this home in person

Nearby open houses (10)

Interested in buying?

Around this home

Schools

Lifestyle

Offer insights

Property details

Sale and tax history for 341 9th St

Public record

Climate risks

Historical weather

Sun exposure

Redfin Estimate for 341 9th St

Early Access listings

Nearby similar homes

New listings for sale in 33051

More real estate resources