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$599,000 Just Listed
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Full Property Details for 310 3rd St
General
- Price: $599,000
- Taxes: $4,709 (2025)
- Status: Active
- Type: Duplex
- Source: 927
- MLS ID: 620613
- Updated: 7/13/2026
- Added to Site: 1 day(s) ago
Interior
- Interior Features: Walk-in Closet(s), Drapes/Blinds Incl, Granite Counter Top, Storage
- Appliances: Dishwasher, Dryer, Microwave, Oven, Refrigerator, Washer
- Flooring: Tile, Laminate
Rooms
Bathrooms
- Total Bathrooms: 2
- Full Bathrooms: 2
Bedrooms
- Total Bedrooms: 2
Other Rooms
- Laundry: Laundry Room
Exterior
- Exterior Features: Rain Gutters, Shed, Storage
- Deck/Patio: Open Porch/Balcony
- Porch/Patio/Deck: Open Porch/Balcony
Parking
- Parking Features: Open, Covered
Location
- Area: 17 - Vaca Cut - Both Sides Holiday Inn/Key Colony
- County: Monroe
- Subdivision: Key Colony Beach (53.5)
- Driving Directions: US 1 to Sadowski to E Ocean Dr. to 3rd St.
Community
- Assoc. Fees Include: None
- Pets Allowed: Yes
Heating & Cooling
- Central air: Yes
- Air Conditioning: Yes
- Cooling Type: Central Air
Structural Information
- Architectural Style: Above Flood
- Construction: CBS
- Roof: Metal
- Windows/Doors: Impact Rstnce Window
- Square Feet: 1,031
- Sq. Ft. Source: Property Data Card
- Year Built: 1982
Lot Features
- Property View: No Waterview
- Lot Size (Acres): 0.08
- Lot Size (Sq. Ft.): 3,300
- Lot Dimensions: 30 x 110
- Zoning: R-1A - Key Colony Single Family
Water Features
- Water View: Yes
Financial Considerations
- Tax Amount: $4,709.55
- Tax Year: 2025
Disclosures and Reports
- Legal Description: BK 2 N 1/2 LT 31 KEY COLONY BEACH PB3-120 SHELTER KEY
- Flood Zone: AE
- APN: 00072590-000000
Listed by Florida Keys Real Estate Group, Brenner Scheel Casey (305) 783-3395
Schools serving 310 3rd St
| Name | Grades | Distance |
|---|---|---|
Stanley Switlik Elementary School 3400 Overseas Highway, Marathon, FL 33050 | PK-5 | 5.1 mi |
Marathon School 350 Sombrero Beach Road, Marathon, FL 33050 | 6-12 | 4.2 mi |
Price & Sales History for 310 3rd St
Tax History for 310 3rd St
Estimate the Cost for 310 3rd St
310 3rd Street, Key Colony, FL 33051 (MLS# 620613) is a Duplex property with 2 bedrooms and 2 full bathrooms. 310 3rd Street is currently listed for $599,000 and was received on July 13, 2026. Want to learn more about 310 3rd Street? Do you have questions about finding other Duplex real estate for sale in Key Colony? You can browse all Key Colony real estate or contact a Coldwell Banker agent to request more information.

