640 9th Street, Key Colony, FL 33051

$1,400,000
Property Type: Residential Bedrooms: 3 Baths: 4 Square Footage: 1,596 Lot Size (sq. ft.): 4,125 Status: Active
Current Price: $1,400,000 List Date: 12/06/2025 Last Modified: 12/12/2025

Description

Welcome to this inviting east facing, waterfront, stilted half duplex in Key Colony Beach, offering three bedrooms, four bathrooms, and nearly 1,600 square feet of interior living space. With 37.5 feet of concrete seawall, step down wooden dock with concrete pilings, heated and chilled pool, and a spacious concrete patio for lounging and entertaining, this property is perfectly designed for the Keys lifestyle. Peace of mind features include metal roof, Hardie board siding, recently upgraded impact windows and doors, and a 2020 AC. A generous carport and driveway provide ample parking, along with a downstairs enclosure that features a full convenience bathroom, air conditioned cabana room, and a one car garage for storage of toys and gear. Saltillo tile flows throughout the first level, where you will find an open concept great room with soaring ceilings that connect the kitchen, dining, and living areas. Enjoy indoor to outdoor living from the large covered second floor patio ideal for al fresco meals, morning coffee, or watching stunning sunrises over the canal. The newly renovated primary bathroom showcases a spacious step-in tiled shower, quartz topped vanity, and elegant gold finishes. A comfortable guest bedroom and bathroom are conveniently located on the same level, with laundry in the hallway closet. Upstairs, the loft offers a third bedroom and full bathroom with plank flooring, creating a private retreat for guests or family. Your Key Colony Beach haven awaits. The City of Key Colony Beach offers its own police department, City Hall, tennis and pickleball courts, dog park, nine hole par three golf course, two playgrounds, and two new restaurants opening soon. Enjoy the walkable island lifestyle and the best of coastal living here!

More Information MLS# 617620

Contract Information

Listing Board: Marathon/Lower Keys As is Rght to Inspct: Yes Species List: No Current Price: $1,400,000 Listing Date: 2025-12-06 List Price: $1,400,000

Location, Tax & Legal

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 #: 8761732 Parcel #: 00075170-000100 Zoning: R-2A - Key Colony Two Family Deed Restrictions: Unknown Legal: BK 9 SLY 1/2 LOT 39 KEY COLONY BEACH FIRST ADDN AMD PLAT PB4-11 SHELTER KEY Taxes: 8412 Tax Year: 2025 Pub Sewer HkUp: Yes Street #: 640 Street Name: 9th 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

General Property Description

Realtor.COM Type: Residential - Single Family Waterfront: Yes Control Depth: 5 Lot Size: 37.5 X 110 Lot SqFt: 4125 Pool: Yes Lot Sqft Source: Property Data Card Total Units: 0 Acres: 0.09 SqFt Source: Property Data Card Rentals Allowed: Yes Min Rental Days: 7 Style: Half Duplex Year Built: 1988 Living Apx SqFt: 1596 Total Bedrooms: 3 Full Baths: 4 Total Baths: 4

Remarks & Misc

Remarks – Consumer: Welcome to this inviting east facing, waterfront, stilted half duplex in Key Colony Beach, offering three bedrooms, four bathrooms, and nearly 1,600 square feet of interior living space. With 37.5 feet of concrete seawall, step down wooden dock with concrete pilings, heated and chilled pool, and a spacious concrete patio for lounging and entertaining, this property is perfectly designed for the Keys lifestyle. Peace of mind features include metal roof, Hardie board siding, recently upgraded impact windows and doors, and a 2020 AC. A generous carport and driveway provide ample parking, along with a downstairs enclosure that features a full convenience bathroom, air conditioned cabana room, and a one car garage for storage of toys and gear. Saltillo tile flows throughout the first level, where you will find an open concept great room with soaring ceilings that connect the kitchen, dining, and living areas. Enjoy indoor to outdoor living from the large covered second floor patio ideal for al fresco meals, morning coffee, or watching stunning sunrises over the canal. The newly renovated primary bathroom showcases a spacious step-in tiled shower, quartz topped vanity, and elegant gold finishes. A comfortable guest bedroom and bathroom are conveniently located on the same level, with laundry in the hallway closet. Upstairs, the loft offers a third bedroom and full bathroom with plank flooring, creating a private retreat for guests or family. Your Key Colony Beach haven awaits. The City of Key Colony Beach offers its own police department, City Hall, tennis and pickleball courts, dog park, nine hole par three golf course, two playgrounds, and two new restaurants opening soon. Enjoy the walkable island lifestyle and the best of coastal living here! Directions: From US-1, turn at light onto Sadowski / KCB Causeway. Turn right onto W Ocean Dr. Turn right onto 9th Street & follow to 640 9th toward the end.

Association Info

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

Fee Includes

None: 1

Dockage

Dock Length: 375 Dock: Wood Seawall: Concrete

Tax Exemptions

None: 1

Appliances

Dishwasher: 1 Dryer: 1 Microwave: 1 Range: 1 Refrigerator: 1 Stainless Steel Appliance(s): 1 Washer: 1

Pets

Pets Allowed: 1

Cooling

Ceiling Fans(s): 1 Central Air: 1

Waterfront

Canal Front: 1

Waterview

Canal View: 1

Floor

Tile: 1

Neighborhood Feature

Airstrip: 1 Beach: 1 Bike Paths: 1 Community Boat Ramp: 1 Tennis Courts: 1

Interior Features

Cathedral Ceilings: 1 Granite Counter Top: 1 Smoke Alarms: 1 Storage: 1

Property Condition

Updated/Remodeled: 1

Building Style

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

Windows/Doors

Impact Rstnce Window: 1 Other Windows/Doors: 1 Sliding Glass Doors: 1

Vehicle Storage

Car(s): 1 Carport: 1 Covered Parking: 1 Garage: 1 Open Parking: 1 RV Parking Open: 1 Attached: 1 Trailer Storage: 1

Security

Patrolled Area: 1

Construction

CBS: 1

Land Size

Less Than 1/4 Acre: 1

Furnished

Furnished: 1

Utilities

Buyer to Verify: 1 Cable Available: 1 Community Swr Plant: 1 FKAA: 1

Porch/Balcony

Open Porch/Balcony: 1 Patio: 1

Title

Title Ins - Buyer: 1

Exterior Features

Privacy Wall/Fence: 1

Pool Info

In Ground: 1 Concrete: 1 Decked: 1

Pre-Wired

Cable: 1

Roof

Metal Roof: 1

Financial Status

Standard Sale: Yes

Shutters

Accordion: 1

Status Change Info

Status: Active

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Canal Front Waterview: Canal View Property Condition: Updated/Remodeled Vehicle Storage: Garage; Carport; Attached; Covered Parking; Open Parking; RV Parking Open; Trailer Storage Furnished: Furnished Cooling: Ceiling Fans(s); Central Air Utilities: Buyer to Verify; Cable Available; Community Swr Plant; FKAA Interior Features: Cathedral Ceilings; Granite Counter Top; Smoke Alarms; Storage Pre-Wired: Cable Appliances: Dishwasher; Dryer; Microwave; Range; Refrigerator; Stainless Steel Appliance(s); Washer Exterior Features: Privacy Wall/Fence Pool Info: In Ground; Concrete; Decked Construction: CBS Shutters: Accordion Floor: Tile Roof: Metal Roof Pets: Pets Allowed Neighborhood Feature: Airstrip; Beach; Bike Paths; Community Boat Ramp; Tennis Courts Security: Patrolled Area Land Size: Less Than 1/4 Acre Title: Title Ins - Buyer
Listing Office: Ocean Sotheby's International
Last Updated: December - 12 - 2025
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.