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651 9th Street, Key Colony, FL 33051

$1,495,000
Property Type: Residential Bedrooms: 2 Baths: 3 Square Footage: 1,176 Lot Size (sq. ft.): 4,125 Status: Active
Current Price: $1,495,000 List Date: 1/30/2026 Last Modified: 2/27/2026

Overview

Description

This exceptional waterfront residence in Key Colony Beach offers the perfect blend of refined comfort, thoughtful design, and effortless island living. Lovingly owned, gently used, and never rented, the home reflects true pride of ownership throughout. An elevator, updated kitchen, and custom baths set the stage, while soaring wood ceilings and an open-concept kitchen, dining, and living area create a light-filled space that flows seamlessly through stackable sliders to a spacious screened porchâ€''ideal for entertaining or unwinding in the coastal breeze. The generous primary suite is a private retreat with porch access and a skylit spa-style bath featuring a jetted tub, walk-in tiled shower, and dual vanities. The lower level is designed for true indoor-outdoor living, featuring an custom, inground swimming pool surrounded by elegant marble decking, along with expansive covered and uncovered paved patios. Mature tropical landscaping enhances privacy, while ample covered and uncove ...

Listing Details MLS# 618394

Location, Tax & Legal

Street #
651
Street Name
9th
Street Suffix
Street
Key/Island
Key Colony
State/Province
FL
Zip Code
33051
County
Monroe
Subdivision
Key Colony Bch 1st Addn Amd Plat (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 #
1081329
Parcel #
00075730-000000
Zoning
R-2A - Key Colony Two Family
Deed Restrictions
Unknown
Legal
BLK 10 N 1/2 LOT 28 KEY COLONY BEACH FIRST ADDN AMENDED PLAT PB4-11 SHELTER KEY
Taxes
9607.1
Tax Year
2025
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
Residential - Single Family
Style
Half Duplex
Waterfront
Yes
Control Depth
5
Pool
Yes
Year Built
1989
Lot SqFt
4125
Lot Sqft Source
Property Data Card
Acres
0.1
Living Apx SqFt
1176
SqFt Source
Property Data Card
Total Bedrooms
2
Full Baths
3
Total Baths
3
Rentals Allowed
Yes
Min Rental Days
7
Total Units
0

Association Info

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

Dockage

Dock Length
37
Dock
Wood
Seawall
Concrete
Boat Lift
Yes

More Information

Building Style

Above Flood
Yes
Stilt Column Height
Medium - 5Ft - 9Ft

Pool Info

Heated
Yes
In Ground
Yes
Decked
Yes

Remarks & Misc

Remarks – Consumer
This exceptional waterfront residence in Key Colony Beach offers the perfect blend of refined comfort, thoughtful design, and effortless island living. Lovingly owned, gently used, and never rented, the home reflects true pride of ownership throughout. An elevator, updated kitchen, and custom baths set the stage, while soaring wood ceilings and an open-concept kitchen, dining, and living area create a light-filled space that flows seamlessly through stackable sliders to a spacious screened porchâ€''ideal for entertaining or unwinding in the coastal breeze. The generous primary suite is a private retreat with porch access and a skylit spa-style bath featuring a jetted tub, walk-in tiled shower, and dual vanities. The lower level is designed for true indoor-outdoor living, featuring an custom, inground swimming pool surrounded by elegant marble decking, along with expansive covered and uncovered paved patios. Mature tropical landscaping enhances privacy, while ample covered and uncovered parking adds everyday convenience. Boaters will love the 37.5-foot dock with boat lift, located on a wide, deep canal with quick, easy access, just minutes to both the open ocean and the Gulf via Vaca Cut. A permitted third full bathroom on the lower level sits next to a large air-conditioned storage area with sliders directly to the patio and dock, making it ideal as an angler's room for fishing gear and water toys. Key Colony Beach is one of the Florida Keys' most desirable island communities, known for its wide, walkable streets, city-maintained infrastructure, and relaxed coastal charm. Residents enjoy access to marinas, a nine-hole golf course, tennis and pickleball courts, playgrounds, dining, and waterfront Sunset Park all just steps or a short bike ride away. Perfectly positioned in the Middle Keys, Key Colony Beach offers a rare combination of small-town island living, world-class boating, and easy access to Marathon's shopping, dining, and local airport.
Directions
Overseas Hwy mile marker 53.5 turn at light onto Sadowski / KCB Causeway Turn right onto W. Ocean Turn right onto 9th Follow down to #651 on left

Fee Includes

None
Yes

Tax Exemptions

None
Yes

Appliances

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

Pets

Pets Allowed
Yes

Cooling

Ceiling Fans(s)
Yes
Central Air
Yes

Heating

Central
Yes

Waterfront

Canal Front
Yes

Waterview

Canal View
Yes

Floor

Tile
Yes

Neighborhood Feature

Airstrip
Yes
Beach
Yes
Bike Paths
Yes
Tennis Courts
Yes

Interior Features

Built-in Cabinets
Yes
Cathedral Ceilings
Yes
Dade County Pine
Yes
Drapes/Blinds Incl
Yes
Elevator
Yes
Granite Counter Top
Yes
Smoke Alarms
Yes
Split Bedroom
Yes
Storage
Yes
Walk-in Closet(s)
Yes
Whirlpool Bath Tub
Yes
Window Treatments
Yes

Windows/Doors

Single Hung Windows
Yes
Sliding Glass Doors
Yes

Vehicle Storage

Carport
Yes
Covered Parking
Yes
Guest Parking
Yes
RV Parking Open
Yes
Off Street Parking
Yes
Trailer Storage
Yes

Security

Patrolled Area
Yes

Construction

CBS
Yes

Land Size

Less Than 1/4 Acre
Yes

Furnished

Furnished
Yes
Negotiable
Yes

Utilities

Buyer to Verify
Yes
Cable Available
Yes
Community Swr Plant
Yes
Elect Separate Meter
Yes
FKAA
Yes
Water Separate Meter
Yes

Porch/Balcony

Open Porch/Balcony
Yes
Screened P/B
Yes

Title

Negotiable
Yes

Exterior Features

Fencing
Yes
Lighting
Yes

Pre-Wired

Cable
Yes

Roof

Metal Roof
Yes

Shutters

Accordion
Yes

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Canal Front Waterview: Canal View Dockage: Boat Lift Vehicle Storage: Carport; Covered Parking; Guest Parking; Off Street Parking; RV Parking Open; Trailer Storage Furnished: Furnished; Negotiable Cooling: Ceiling Fans(s); Central Air Heating: Central Utilities: Buyer to Verify; Cable Available; Community Swr Plant; Elect Separate Meter; FKAA; Water Separate Meter Interior Features: Built-in Cabinets; Cathedral Ceilings; Dade County Pine; Drapes/Blinds Incl; Elevator; Granite Counter Top; Smoke Alarms; Split Bedroom; Storage; Walk-in Closet(s); Whirlpool Bath Tub; Window Treatments Pre-Wired: Cable Appliances: Dishwasher; Disposal; Dryer; Microwave; Range; Refrigerator; Stainless Steel Appliance(s); Washer Exterior Features: Fencing; Lighting Pool Info: In Ground; Decked Construction: CBS Shutters: Accordion Floor: Tile Roof: Metal Roof Pets: Pets Allowed Neighborhood Feature: Airstrip; Beach; Bike Paths; Tennis Courts Security: Patrolled Area Land Size: Less Than 1/4 Acre Title: Negotiable
Listing Office: Ocean Sotheby's International Realty
Last Updated: February - 27 - 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.