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.
