SOLD AUG 7, 2026

Sold on aug 2026

$1,680,000

•

2,528

sq ft

461 & 471 3rd St, Key Colony, FL 33051

Track this home’s value and nearby sales activity

About this home

Capitalize on proven income and flexibility with this fully furnished, turnkey waterfront duplex generating approx. $100K/year in rental income! Built above flood for added peace of mind and potential insurance savings, this well-established (for 10+ years) vacation rental features two spacious 3BD/2BA units with private entrances and parking. Enjoy 60 ft. of deep-water dockage on a wide canal with immediate ocean access, plus two private waterfront outdoor living spaces framed by lush tropical landscaping and privacy fencing between. Whether you rent both units, live in one and rent the other or enjoy as a multi-family retreat, this property offers unmatched versatility at a price point well below comparable 6-bedroom waterfront single-family homes in Key Colony Beach. Just ¼ mile from the Cabana Club and close to beaches, dining, and shopping--ready for immediate use or continued rental success!

Multi-familyProperty Type

1997Year Built

6,672 sq ftLot Size

$665Price/Sq.Ft.

4 spacesParking

Listed by David Grego • Island Breeze Realty, LLC

Bought with David Grego • Island Breeze Realty, LLC

Redfin checked: a minute ago

•Source:FLKMLS #615206

Redfin Estimate

$1,885,717

$206K since sold in August 2026$76K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 3.8% higher than the average sale price ($1.82M) of 5 comparable homes.

SOLD APR 10, 2026
$1,400,000
A
4 beds4 baths2,293 sq ft
570 9Th St, Key Colony Beach, FL 33051
SOLD JUL 17, 2026
$1,070,000
B
3 beds3 baths1,945 sq ft
96 Avenue C #6, Marathon, FL 33050
SOLD APR 10, 2026
$1,340,000
C
4 beds3 baths1,813 sq ft
351 10th St, Key Colony Beach, FL 33051
SOLD JUL 30, 2026
$2,500,000
D
5 beds4 baths2,607 sq ft
11890 1st Ave Gulf #3, Marathon, FL 33050
SOLD SEP 22, 2026
$2,775,000
E
6 beds4 baths3,392 sq ft
420 11th St, Key Colony, 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

$214K MoM

Avg. days on market

204d

20 days MoM

Recently sold homes

3 MoM

Provided by Redfin

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Sale and tax history for 461 & 471 3rd St

Sale History
Tax History

Date

Event

Price

FLKMLS #615206

Aug 7, 2026

Sold

$1,680,000

$665/sq ft

Jun 8, 2026

Contingent

—

Mar 18, 2026

Price Changed

$1,848,000

$731/sq ft

Jan 22, 2026

Price Changed

$1,898,000

$751/sq ft

Jan 3, 2026

Price Changed

$1,943,000

$769/sq ft

Oct 10, 2025

Price Changed

$1,948,000

$771/sq ft

May 28, 2025

Listed

$1,998,000

$790/sq ft

MARMLS #A11924718

May 17, 2026

Listing Removed

—

Mar 18, 2026

Price Changed

$1,848,000

$731/sq ft

Jan 22, 2026

Price Changed

$1,898,000

$751/sq ft

Jan 5, 2026

Price Changed

$1,943,000

$769/sq ft

May 28, 2025

Listed

$1,948,000

$771/sq ft

MARMLS #A11829646

Nov 28, 2025

Listing Removed

—

Oct 10, 2025

Price Changed

$1,948,000

$771/sq ft

Jun 26, 2025

Listed

$1,998,000

$790/sq ft

Public record

Beds

—

Baths

—

Stories

—

Lot width

—

Lot depth

—

Lot size

—

Year renovated

—

Sq. Ft.

—

Year built

—

Style

Multi-Family (2-4 Unit)

County

Monroe County

APN

00072850-000000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 9, 2025.

Property details

Parking

Parking / Garage Information
Vehicle Storage: RV Parking Open, Trailer Storage
Vehicle Storage: Car(s): 4+

Interior

Interior Features
Interior Features: Drapes/Blinds Incl, Smoke Alarms, Window Treatments, Storage
Flooring: Tile Floor
Windows/Doors: Single Hung Windows, Sliding Glass Doors
Cooling/Heating: Central A/C, Ceiling Fans
Appliances: Washer, Stainless Steel Appl, Microwave, Oven, Range, Refrigerator, Dishwasher, Dryer
Furnished: Furnished

Bathroom Information
# of Full Baths: 4

Multi-Unit Information
# of Total Units: 2

Exterior

Boat Slip/Dock Information
Dockage: Dock Length: 60
Dockage: Dock: Concrete

Exterior Features
Exterior Features: Fencing, Privacy Wall/Fence
Shutters: Panel

Security
Patrolled Area

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

Property Information
Deed Restrictions: Unknown
Pets: Pets Allowed
Rentals Allowed: Yes
Min Rental Days: 7

Lot Information
Acres: 0.16
Zoning: R-2A - Key Colony Two Family
Land Size: Less Than 1/4 Acre
Control Depth: 5
Flood Zone: AE

Building Information
Year Built: 1,997
Sq. Ft. Source: Property Data Card
Sq. Ft. Remarks: Each side is 1,264 sq. ft. with 3 BD/2BA in each unit. Lot sq. ft. is the combined total for the 2 units.
Building Style: Above Flood: Yes
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: $6,941.18
Tax Year: 2,024
Tax Exemptions: None

Financial Information
Terms: Cash, FHA, VA, Conventional

Utilities

Utility Information
Utilities: FKAA, Water Separate Meter, Cable Available, Elect Separate Meter, Municipal Sewer, Community Sewer Plant
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: Take Sadowski Causeway, make a left onto E Ocean Dr. Turn left onto 3rd st. Home is on the left

Neighborhood Features
Tennis Courts, Bike Paths, Beach

Public facts

Beds: —
Baths: —
Sq. Ft.: —
Stories: —
Lot Size: —
Style: Multi-Family (2-4 Unit)
Year Built: —
Year Renovated: —
County: Monroe County
APN: 00072850-000000

Home facts updated by county records on Sep 9, 2025

Around this home

Schools

Stanley Switlik Elementary School

Public PreK-5 • Assigned • 5.0mi

5/10

Marathon School

Public 6-12 • Assigned • 4.2mi

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, FL • 33051

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

95/ 100

Exceptional sunlight

Sunscore

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

9.2 hrs

6.7 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.79M – $2.17M

Sell confidently with a local market expert in Key Colony.

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Home values near 461 & 471 3rd St

Data from public records.

Address	Redfin Estimate
511 3rd St, Key Colony Beach, FL 2 Beds \| 2 Baths \| 1336 Sq. Ft.	$960,160
451 3rd St, Key Colony Beach, FL 3 Beds \| 2 Baths \| 1264 Sq. Ft.	$854,717

Address	Redfin Estimate
401 3rd St, Key Colony Beach, FL 6 Beds \| 6 Baths \| 4708 Sq. Ft.	$2,746,801
461 3rd St, Key Colony Beach, FL 3 Beds \| 2 Baths \| 1264 Sq. Ft.	$835,181

Address	Redfin Estimate
421 3rd St, Key Colony Beach, FL - Beds \| 1 Baths \| 2474 Sq. Ft.	$1,158,245
481 3rd St, Key Colony Beach, FL 2 Beds \| 2 Baths \| 1344 Sq. Ft.	—

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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461 & 471 3rd St, Key Colony, FL 33051

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About this home

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Market trends in Key Colony Beach, FL

Homeowner tools

Sale and tax history for 461 & 471 3rd St

Public record

Property details

Parking

Interior

Exterior

Financial

Utilities

Location

Public facts

Around this home

Schools

Climate risks

Historical weather

Sun exposure

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Home values near 461 & 471 3rd St

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