321 & 331 9th Street, Key Colony, FL 33051
New Listing
$3,200,000
Property Type:
Residential
Bedrooms:
4
Baths:
6
Square Footage:
3,080
Lot Size (sq. ft.):
8,250
Status:
Active
Current Price:
$3,200,000
List Date:
8/20/2026
Last Modified:
8/20/2026
Listing Details MLS# 621036
Location, Tax & Legal
- Street #
- 321 & 331
- 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
- City
- KEY COLONY
- Mile Marker
- 53.5
- Marathon Neighborhood
- Marathon East - Gulf (Airport to Vaca)
- Side
- Ocean
- Alternate Key #
- 1081116
- Add'l Parcel #1
- 00075560-000100
- Parcel #
- 00075560-000000
- Zoning
- R-2A - Key Colony Two Family
- Deed Restrictions
- Unknown
- Legal
- KEY COLONY BEACH FIRST ADD AMENDED PLAT PB4-11 SHELTER KEY and N 1/2 LOT 12 BLK 10
- Taxes
- 13968.6
- Tax Year
- 2025
- Pub Sewer HkUp
- Yes
Contract Information
- Listing Board
- Marathon/Lower Keys
- As is Rght to Inspct
- Yes
- Potential Short Sale
- No
- Bank Owned
- No
General Property Description
- Realtor.COM Type
- Residential - Single Family
- Style
- Duplex
- Waterfront
- Yes
- Control Depth
- 4
- Pool
- Yes
- Year Built
- 1988
- Total Units
- 2
- Lot SqFt
- 8250
- Lot Sqft Source
- Property Data Card
- Living Apx SqFt
- 3080
- SqFt Source
- Property Data Card
- Total Bedrooms
- 4
- Full Baths
- 4
- Half Baths
- 2
- Total Baths
- 6
- 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
- 75
- Dock
- Composite
- Seawall
- Concrete
- Boat Lift
- Yes
Building Style
- Above Flood
- Yes
Financial Status
- Auction
- No
- Bank Owned
- No
- Potential Short Sale
- No
- Standard Sale
- Yes
Remarks & Misc
- Remarks – Consumer
- Turn-Key Duplex on a Wide, Deep Canal - Key Colony Beach Welcome to one of the most sought-after settings in the Florida Keys -Key Colony Beach -- a private, tucked-away island community known for its quiet streets, boater-friendly waterways, and true Keys lifestyle. This full duplex sits on a impressively wide, clean, deep canal (100 ft across), offering easy access for boats of all sizes and some of the best water views in the neighborhood. Each side of the duplex mirrors the other in quality and layout: upstairs you'll find 2 spacious bedrooms and 2 full baths, while downstairs offers a convenient pool bath plus a bonus game room/flex space with extra storage -- perfect for kayaks, fishing gear, or beach toys. Both units have been tastefully updated and fully furnished, right down to the dishes, pots, pans, and bedding. Just bring your suitcase. This property is as flexible as it is beautiful. Rent both sides for strong dual-income potential, create the ultimate family compound with room for everyone, or live in one side while renting the other for built-in income. However you use it, you're getting two turn-key homes in one of the safest, most tranquil pockets of the Florida Keys. Located just minutes from open water, world-class fishing, and the laid-back charm Key Colony Beach is known for -- this is Keys living at its most effortless. Two homes. One incredible canal. Endless possibilities. SELLING ONLY AS DUPLEX - will not split them Contact Dawn McComish, P.A. -- The Singing Realtor® -- for a private showing.
Fee Includes
- None
- Yes
Tax Exemptions
- Disability
- Yes
- Homestead
- Yes
Appliances
- Dishwasher
- Yes
- Dryer
- Yes
- Microwave
- Yes
- Oven
- Yes
- Refrigerator
- Yes
- Stainless Steel Appliance(s)
- Yes
- Washer
- Yes
Pets
- Pets Allowed
- Yes
Cooling
- Central Air
- Yes
Waterfront
- Canal Front
- Yes
Waterview
- Canal View
- Yes
Floor
- Laminate
- Yes
- Tile
- Yes
Neighborhood Feature
- Bike Paths
- Yes
- Tennis Courts
- Yes
Interior Features
- Smoke Alarms
- Yes
Property Condition
- Updated/Remodeled
- Yes
Specialty Rooms
- Sun/Florida Room
- Yes
Windows/Doors
- Impact Rstnce Doors
- Yes
- Impact Rstnce Window
- Yes
Vehicle Storage
- Garage
- Yes
- RV Parking Open
- Yes
- Trailer Storage
- 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
- No Seller Finance
- Yes
Utilities
- Buyer to Verify
- Yes
- Cable Available
- Yes
- Elect Separate Meter
- Yes
- FKAA
- Yes
- Water Separate Meter
- Yes
Title
- Title Ins - Buyer
- Yes
Exterior Features
- Storage
- Yes
Pool Info
- In Ground
- Yes
- Fiberglass
- Yes
- Decked
- Yes
Pre-Wired
- Cable
- Yes
Roof
- Metal Roof
- Yes
Property Features
Fee Includes:
None
Tax Exemptions:
Disability; Homestead
Waterfront:
Canal Front
Waterview:
Canal View
Dockage:
Boat Lift
Property Condition:
Updated/Remodeled
Vehicle Storage:
Garage; RV Parking Open; Trailer Storage
Furnished:
Furnished
Cooling:
Central Air
Utilities:
Buyer to Verify; Cable Available; Elect Separate Meter; FKAA; Water Separate Meter
Interior Features:
Smoke Alarms
Pre-Wired:
Cable
Specialty Rooms:
Sun/Florida Room
Appliances:
Dishwasher; Dryer; Microwave; Oven; Refrigerator; Stainless Steel Appliance(s); Washer
Exterior Features:
Storage
Pool Info:
In Ground; Fiberglass; Decked
Construction:
CBS
Floor:
Laminate; Tile
Roof:
Metal Roof
Pets:
Pets Allowed
Neighborhood Feature:
Bike Paths; Tennis Courts
Security:
Patrolled Area
Land Size:
Less Than 1/4 Acre
Terms:
Cash; Conventional; FHA; No Seller Finance
Title:
Title Ins - Buyer
Listing Office:
LPT Realty, LLC
Last Updated: August - 20 - 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.