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

$1,848,000
Property Type: Residential Bedrooms: 6 Baths: 4 Square Footage: 2,528 Lot Size (sq. ft.): 6,672 Status: Active
Current Price: $1,848,000 List Date: 5/28/2025 Last Modified: 4/28/2026

Overview

Description

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!

Listing Details MLS# 615206

Location, Tax & Legal

Street #
461 & 471
Street Name
3rd
Street Suffix
Street
Key/Island
Key Colony
State/Province
FL
Zip Code
33051
County
Monroe
Subdivision
Key Colony Beach (53.5)
Area
17 - Vaca Cut - Both Sides Holiday Inn/Key Colony
City
KEY COLONY
Off Shore Island
No
Mile Marker
53.5
Marathon Neighborhood
Marathon East - Gulf (Airport to Vaca)
Side
Ocean
Flood Zone
AE
Alternate Key #
1076902
Add'l Parcel #1
00072850-000100
Parcel #
00072850-000000
Zoning
R-2A - Key Colony Two Family
Deed Restrictions
Unknown
Legal
BK 3 S 1/2 LOT 19 KEY COLONY BEACH PB3-120 SHELTER KEY OR318-468/69 OR354-87/88 OR635-14/15 OR871-1174 OR913-985 OR1398
Taxes
6941.18
Tax Year
2024
Pub Sewer HkUp
Yes

Contract Information

Listing Board
Marathon/Lower Keys
As is Rght to Inspct
Yes
Species List
No

General Property Description

Realtor.COM Type
Multi-family
Style
Duplex
Waterfront
Yes
Control Depth
5
Pool
No
Year Built
1997
Total Units
2
Lot SqFt
6672
Lot Sqft Source
Property Data Card
Acres
0.16
Living Apx SqFt
2528
SqFt Source
Property Data Card
Total Bedrooms
6
Full Baths
4
Total Baths
4
Rentals Allowed
Yes
Min Rental Days
7

Association Info

Mandatory Home Owners Asc
No
1st Right of Refusal
No
Association Fee $
0

License Info

# of City License
2

More Information

Dockage

Dock Length
60
Dock
Concrete

Building Style

Above Flood
Yes

Vehicle Storage

Car(s)
4+
RV Parking Open
Yes
Trailer Storage
Yes

Remarks & Misc

Remarks – Consumer
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!
Directions
Take Sadowski Causeway, make a left onto E Ocean Dr. Turn left onto 3rd st. Home is on the left

Fee Includes

None
Yes

Tax Exemptions

None
Yes

Appliances

Dishwasher
Yes
Dryer
Yes
Microwave
Yes
Oven
Yes
Range
Yes
Refrigerator
Yes
Stainless Steel Appliance(s)
Yes
Washer
Yes

Pets

Pets Allowed
Yes

Cooling

Ceiling Fans(s)
Yes
Central Air
Yes

Waterfront

Canal Front
Yes

Waterview

Canal View
Yes

Floor

Tile
Yes

Neighborhood Feature

Beach
Yes
Bike Paths
Yes
Tennis Courts
Yes

Interior Features

Drapes/Blinds Incl
Yes
Smoke Alarms
Yes
Storage
Yes
Window Treatments
Yes

Windows/Doors

Single Hung Windows
Yes
Sliding Glass Doors
Yes

Security

Patrolled Area
Yes

Construction

CBS
Yes

Land Size

Less Than 1/4 Acre
Yes

Furnished

Furnished
Yes

Terms

Cash
Yes
Conventional
Yes
FHA
Yes
VA
Yes

Utilities

Cable Available
Yes
Community Swr Plant
Yes
Elect Separate Meter
Yes
FKAA
Yes
Municipal Sewer
Yes
Water Separate Meter
Yes

Title

Negotiable
Yes

Exterior Features

Fencing
Yes
Privacy Wall/Fence
Yes

Pre-Wired

Cable
Yes

Roof

Metal Roof
Yes

Shutters

Panel
Yes

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Canal Front Waterview: Canal View Vehicle Storage: RV Parking Open; Trailer Storage Furnished: Furnished Cooling: Ceiling Fans(s); Central Air Utilities: Cable Available; Community Swr Plant; Elect Separate Meter; FKAA; Municipal Sewer; Water Separate Meter Interior Features: Drapes/Blinds Incl; Smoke Alarms; Storage; Window Treatments Pre-Wired: Cable Appliances: Dishwasher; Dryer; Microwave; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer Exterior Features: Fencing; Privacy Wall/Fence Construction: CBS Shutters: Panel Floor: Tile Roof: Metal Roof Pets: Pets Allowed Neighborhood Feature: Beach; Bike Paths; Tennis Courts Security: Patrolled Area Land Size: Less Than 1/4 Acre Terms: Cash; Conventional; FHA; VA Title: Negotiable
Listing Office: Island Breeze Realty, LLC
Last Updated: April - 28 - 2026
The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.