310 3rd Street, Key Colony, FL 33051
$599,000
Property Type:
Residential
Bedrooms:
2
Baths:
2
Square Footage:
1,031
Lot Size (sq. ft.):
3,300
Status:
Active
Current Price:
$599,000
List Date:
7/13/2026
Last Modified:
7/26/2026
Listing Details MLS# 620613
Location, Tax & Legal
- Street #
- 310
- 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 #
- 1076643
- Parcel #
- 00072590-000000
- Zoning
- R-1A - Key Colony Single Family
- Deed Restrictions
- No
- Legal
- BK 2 N 1/2 LT 31 KEY COLONY BEACH PB3-120 SHELTER KEY
- Taxes
- 4709.55
- 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
- No
- Pool
- No
- Year Built
- 1982
- Lot SqFt
- 3300
- Acres
- 0.08
- Living Apx SqFt
- 1031
- SqFt Source
- Property Data Card
- Total Bedrooms
- 2
- Full Baths
- 2
- Total Baths
- 2
- Rentals Allowed
- Yes
- Min Rental Days
- 7
- Control Depth
- 0
- Total Units
- 0
Association Info
- Mandatory Home Owners Asc
- No
- 1st Right of Refusal
- No
- Association Fee $
- 0
Building Style
- Above Flood
- Unknown
More Information
Vehicle Storage
- Car(s)
- 4+
- Covered Parking
- Yes
- Open Parking
- Yes
Remarks & Misc
- Remarks – Consumer
- Beautifully updated and move-in ready, this elevated Key Colony Beach half duplex is the perfect blend of island charm, comfort, and value! Step inside to a bright, inviting main living area featuring an updated kitchen with stunning new granite countertops, creating the ideal space for gathering with family and friends. Priced at just $599,000, this is one of the best opportunities to own in one of the Florida Keys' most desirable waterfront communities. Offering 2 bedrooms, 2 bathrooms, and 1,031 square feet of living space, this home also features a brand-new metal roof for added peace of mind. The spacious primary suite includes a walk-in closet and a private balcony overlooking the backyard--the perfect place to sip your morning coffee or relax in the evening while enjoying the tropical breeze. The expansive lower-level living and entertaining area provides the ultimate bonus space to unwind after a day on the water, watch the game, host friends, or simply embrace the laid-back Keys lifestyle. The generous backyard provides plenty of space to design your own private tropical oasis--add a pool, lush landscaping, or an outdoor kitchen to create the Florida Keys retreat you've always imagined. Location is everything, and this home delivers! Just steps from the Cabana Club, waterfront parks, pickleball and tennis courts, playgrounds, golf, restaurants, walking paths, and all the amenities that make Key Colony Beach one of the most sought-after communities in the Florida Keys. Whether you're searching for a full-time residence, a vacation escape, or an investment property, this home offers an unbeatable combination of location, exceptional value, and lifestyle. Don't miss your chance to own your slice of paradise at an incredible price!
- Directions
- US 1 to Sadowski to E Ocean Dr. to 3rd St.
Fee Includes
- None
- Yes
Dockage
- None
- Yes
Tax Exemptions
- None
- Yes
Appliances
- Dishwasher
- Yes
- Dryer
- Yes
- Microwave
- Yes
- Oven
- Yes
- Refrigerator
- Yes
- Washer
- Yes
Pets
- Pets Allowed
- Yes
Cooling
- Central Air
- Yes
Waterfront
- None
- Yes
Waterview
- No Waterview
- Yes
Floor
- Laminate
- Yes
- Tile
- Yes
Interior Features
- Drapes/Blinds Incl
- Yes
- Granite Counter Top
- Yes
- Storage
- Yes
- Walk-in Closet(s)
- Yes
Specialty Rooms
- Laundry Room
- Yes
- Other
- Yes
Windows/Doors
- Impact Rstnce Window
- Yes
Construction
- CBS
- Yes
Land Size
- Less Than 1/4 Acre
- Yes
Furnished
- Negotiable
- Yes
Utilities
- Buyer to Verify
- Yes
- FKAA
- Yes
Porch/Balcony
- Open Porch/Balcony
- Yes
Exterior Features
- Rain Gutters
- Yes
- Shed
- Yes
- Storage
- Yes
Roof
- Metal Roof
- Yes
Property Features
Fee Includes:
None
Tax Exemptions:
None
Waterfront:
None
Waterview:
No Waterview
Dockage:
None
Vehicle Storage:
Covered Parking; Open Parking
Furnished:
Negotiable
Cooling:
Central Air
Utilities:
Buyer to Verify; FKAA
Interior Features:
Drapes/Blinds Incl; Granite Counter Top; Storage; Walk-in Closet(s)
Specialty Rooms:
Laundry Room; Other
Appliances:
Dishwasher; Dryer; Microwave; Oven; Refrigerator; Washer
Exterior Features:
Rain Gutters; Shed; Storage
Construction:
CBS
Floor:
Laminate; Tile
Roof:
Metal Roof
Pets:
Pets Allowed
Land Size:
Less Than 1/4 Acre
Listing Office:
Florida Keys Real Estate Group
Last Updated: July - 26 - 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.