NEW 11 HRS AGO

For sale

$1,380,000

Est. $9,826/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

$9,826 per month

Principal and interest$7,531

Property taxes

$662

HOA dues

Home insurance

$1,633

Utilities

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Open houses

No upcoming open houses.

Nearby open houses (9)

OPEN TODAY, 11:20AM TO 1:30PM
$850,000
2 beds2 baths1,036 sq ft
70 7th St, Key Colony, FL 33051
3,443 sq ft lot • Built 1959 • Listed 228 days
OPEN TODAY, 11:30AM TO 1:30PM
$1,750,000
4 beds4 baths1,920 sq ft
281 & 291 10th St, Key Colony Beach, FL 33051
8,250 sq ft lot • 4 parking spots • Built 1969
OPEN TODAY, 12PM TO 3PM
$799,000
3 beds2 baths— sq ft
385 Orange Ave, Grassy Key, FL 33050
Parking • Pool • Built 1991
(954) 545-5583
OPEN SUN, 11AM TO 1PM
$2,195,000
4 beds4 baths2,151 sq ft
240-250 11th St, Key Colony, FL 33051
8,250 sq ft lot • Pool • Built 1968
OPEN SUN, 12PM TO 2PM
$760,000
2 beds2 baths1,296 sq ft
837 91st Court Ocean, Marathon, FL 33050
4,612 sq ft lot • 2 parking spots • Pool
(305) 662-7325
OPEN SUN, 1PM TO 2:30PM
$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 SUN, 1PM TO 3PM
$7,199,000
7 beds6 baths4,000 sq ft
308 Sabal St, Duck Key, FL 33050
0.76 acre lot • Garage • Pool
OPEN SUN, 3PM TO 4:30PM
$639,000
3 beds2 baths1,286 sq ft
58110 Ferreire St, Grassy Key, FL 33050
0.34 acre lot • 4 parking spots • Built 1960
OPEN NOV 7, 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

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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

Market insights

341 9th St · $1,380,000

DAYS ON MARKET

The average home goes pending in 145 days.

SALE-TO-LIST

Most homes are selling 6% below list price.

LIST PRICE

Median sale price in this area is $1,262,390. (9% lower than this home)

PRICE DROP

14% of homes in this area have had a price drop in the past month.

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

$1,360,718

$19K under list price of $1.38M

Nearby comparable homes

The Redfin Estimate uses 6 recent nearby sales, priced between $1.1M 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 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 19, 2026
$1,300,000 Last sold price
2 beds2.5 baths1,540 sq ft
331 9th St, Key Colony Beach, FL 33051
$171/sq ft
3 years older
SOLD JUL 31, 2026
$1,400,000 Last sold price
4 beds3 baths1,740 sq ft
11250 3rd Avenue Gulf, Marathon, FL 33050
$132/sq ft
larger lot
31 years older
SOLD JUL 17, 2026
$1,070,000 Last sold price
3 beds3 baths1,945 sq ft
96 Avenue C #6, Marathon, FL 33050
$123/sq ft
smaller lot
11 years 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

Rental earnings

Est. $3,096 per month, based on comparable rentals

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