SOLD JUN 3, 2026

Sold on jun 2026

$1,000,000

•

1,269

sq ft

580 9Th St, Key Colony Beach, FL 33051

Track this home’s value and nearby sales activity

About this home

This east-facing, stilted 1/2 duplex is now available. The home features soaring ceilings and an open floor plan that extends onto a roomy balcony overlooking the lower patio and a 37.5-foot dock. The interior includes a granite and stainless kitchen, two bedrooms, two baths, and terracotta flooring throughout. Located in a prime location on Key Colony Beach, this property is just a few minutes from the ocean or gulf. This home will making a perfect second home or vacation rental.

Single-familyProperty Type

1988Year Built

4,125 sq ftLot Size

$788Price/Sq.Ft.

Listed by Steve Smith, P.A. • Key Colony Beach Realty

Bought with Steve Smith, P.A. • Key Colony Beach Realty

Redfin checked: a minute ago

•Source:FLKMLS #617814

Redfin Estimate

$1,136,284

$136K since sold in June 2026$9,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 3.3% higher than the average sale price ($1.10M) of 6 comparable homes.

SOLD SEP 25, 2026
$995,000
A
2 beds2 baths1,288 sq ft
350 11th St, Key Colony Beach, FL 33051
SOLD MAR 31, 2026
$1,025,000
B
2 beds2 baths1,269 sq ft
590 9th St, Key Colony Beach, FL 33051
SOLD SEP 14, 2026
$1,232,000
C
2 beds3 baths1,176 sq ft
651 9th St, Key Colony Beach, FL 33051
SOLD JUL 20, 2026
$800,000
D
2 beds2 baths1,023 sq ft
741 9Th St, Key Colony Beach, FL 33051
SOLD DEC 1, 2025
$1,250,000
E
2 beds2 baths1,300 sq ft
470 9Th St, Key Colony Beach, FL 33051
SOLD APR 28, 2026
$1,300,000
F
2 beds3 baths1,256 sq ft
641 9th St, Key Colony Beach, FL 33051

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Market trends in Key Colony Beach, FL

Last updated September 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-List Price

95.3%

+0.0% MoM

Median sale price

$1.8M

$215K MoM

Avg. days on market

204d

20 days MoM

Recently sold homes

3 MoM

Provided by Redfin

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Rental estimate

Est. $2,405 per month, based on comparable rentals

Sale and tax history for 580 9Th St

Sale History
Tax History

Date

Event

Price

FLKMLS #617814

Jun 3, 2026

Sold

$1,000,000

$788/sq ft

May 8, 2026

Contingent

—

May 7, 2026

Relisted

—

Apr 28, 2026

Contingent

—

Apr 6, 2026

Relisted

—

Apr 3, 2026

Contingent

—

Apr 2, 2026

Price Changed

$1,025,000

$808/sq ft

Dec 23, 2025

Listed

$1,250,000

$985/sq ft

FLKMLS #568770

Apr 14, 2016

Sold

$645,000

$508/sq ft

Oct 13, 2015

Listed

$679,000

$535/sq ft

+44

A superbly maintained, east facing, stilted 1/2 duplex is finally here! Soaring ceilings & open floor plan extend onto the roomy balcony which overlooks lower patio & 37.5 ft dock. Granite & stainless kitchen, 2 bedrooms, 2 baths & terracotta flooring. Everything for a perfect retirement hm or vacation rental prime location in paradise on Key Colony Beach & just 5 mins to the ocean or gulf!

FLKMLS #414663

May 10, 1999

Sold

$305,000

$240/sq ft

May 10, 1999

Listed

$305,000

$240/sq ft

Public Records

Aug 28, 1996

Sold

$255,000

$201/sq ft

Public record

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

4,125 Sq. Ft.

Year renovated

2003

Sq. Ft.

1,269

Year built

1988

Style

Single Family Residential

County

Monroe County

APN

0566 33 00075200000000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 10, 2026.

Property details

Parking

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

Interior

Virtual Tour

Interior Features
Interior Features: Drapes/Blinds Incl, Granite Counter Top, Bar, Walk-in Closet, Dade County Pine, Pantry, Cathedral Ceilings
Flooring: Tile Floor
Windows/Doors: Aluminum Windows
Heating: Central
Cooling/Heating: Central A/C, Ceiling Fans
Appliances: Washer, Microwave, Oven, Range, Refrigerator, Dishwasher, Dryer
Furnished: Partially

Bathroom Information
# of Full Baths: 2

Specialty Room Information
Specialty Rooms: Laundry Room

Exterior

Boat Slip/Dock Information
Dockage: Dock Length: 37
Dockage: Seawall: Rip Rap
Dockage: Dock: Wood

Exterior Features
Exterior Features: Storage
Porch/Balcony: Open Porch/Balcony, Deck
Shutters: Accordion

Security
Patrolled Area

Property Features
On Waterfront
Waterfront Type: Canal Front
Waterview: Canal View

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

Lot Information
Acres: 0.09
Zoning: R-2A - Key Colony Two Family
Land Size: Less Than 1/4 Acre
Control Depth: 5
Flood Zone: AE

Building Information
Year Built: 1,988
Sq. Ft. Source: Tax Records
Building Style: Above Flood: Yes
Building Style: Stilt Column Height: Medium - 5Ft - 9Ft
Construction: CBS
Roof: Tile Roof

Subdivision/Neighborhood
Subdivision: Key Colony Bch 1st Addn Amd Plat (53.5)
Marathon Neighborhood: Marathon East - Gulf (Airport to Vaca)

Financial

Tax Information
Taxes: $8,155.16
Tax Year: 2,025
Tax Exemptions: None

Financial Information
Terms: Cash, Conventional

Utilities

Utility Information
Utilities: FKAA, Elect Separate Meter, Cable Available, Municipal Sewer
Pre-Wired: Cable
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
Directions: Turn onto 9th Street and property is on the right about half way down the street. ,

Public facts

Beds: 2
Baths: 2.0
Sq. Ft.: 1,269
Stories: 2.0
Lot Size: 4,125 square feet
Style: Single Family Residential
Year Built: 1988
Year Renovated: 2003
County: Monroe County
APN: 0566 33 00075200000000

Home facts updated by county records on Jul 10, 2026

Around this home

Schools

Stanley Switlik Elementary School

Public PreK-5 • Assigned • 4.6mi

5/10

Marathon School

Public 6-12 • Assigned • 3.8mi

5/10

Provided by GreatSchools

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

93/ 100

Exceptional sunlight

Sunscore

There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

9.5 hrs

6.7 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.08M – $1.31M

Sell confidently with a local market expert in Key Colony Beach.

Nearby similar homes

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Home values near 580 9Th St

Data from public records.

Address	Redfin Estimate
571 9th St, Key Colony Beach, FL 3 Beds \| 3 Baths \| 1418 Sq. Ft.	$1,171,202
591 9th St, Key Colony Beach, FL 2 Beds \| 2 Baths \| 1185 Sq. Ft.	$917,095

Address	Redfin Estimate
631 9th St, Key Colony Beach, FL 2 Beds \| 3 Baths \| 1432 Sq. Ft.	$1,096,374
601 9th St, Key Colony Beach, FL 2 Beds \| 2 Baths \| 990 Sq. Ft.	$785,475

Address	Redfin Estimate
611 9th St, Key Colony Beach, FL 2 Beds \| 2 Baths \| 1000 Sq. Ft.	$851,605
561 9th St, Key Colony Beach, FL 2 Beds \| 2 Baths \| 1418 Sq. Ft.	$1,141,593

Property information provided by FLKMLS when last listed in 2025. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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580 9Th St, Key Colony Beach, FL 33051

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About this home

Redfin Estimate

Market trends in Key Colony Beach, FL

Homeowner tools

Sale and tax history for 580 9Th St

Public record

Property details

Parking

Interior

Exterior

Financial

Utilities

Location

Public facts

Around this home

Schools

Climate risks

Historical weather

Sun exposure

Nearby similar homes

Home values near 580 9Th St

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