300 3rd Street, Key Colony, FL 33051
$555,000
Property Type:
Residential
Bedrooms:
2
Baths:
2
Square Footage:
1,031
Lot Size (sq. ft.):
3,300
Status:
Active
Current Price:
$555,000
List Date:
11/18/2025
Last Modified:
12/14/2025
Description
Discover this charming and affordable 2-bedroom, 2-bath half duplex with an open-concept living, dining, and kitchen area - perfect for relaxed island living. Featuring a freshly painted exterior, new A/C (2025), lovingly maintained and stilted. Plenty of outdoor living areas and covered parking, a one-car garage, plus space for a trailer or RV, all of your tropical toys. A spacious primary suite offers a walk-in closet, and a comfortable layout which is ideal for your family home, employee housing, or Keys weekend getaway. Located just steps from the Cabana Pool and Beach Club, you can easily walk or bike around the entire city to enjoy its many amenities, including restaurants, marina, post office, golf, pickleball, tennis, bocce ball, three playgrounds, basketball, and the beautiful Sunset Park. Conveniently located near several airports: 10 minutes to Marathon Airport, just over 1 hour to Key West International, 2 hours to Miami International, and 2.5 hours to Fort Lauderdale International. Enjoy the best of Keys living in this welcoming home; comfortable, convenient, and move-in ready! Located in the very heart of the Keys: Key Colony Beach!
More Information MLS# 617359
Contract Information
Listing Board: Marathon/Lower Keys
As is Rght to Inspct: Yes
Species List: No
Current Price: $555,000
Listing Date: 2025-11-17
List Price: $555,000
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 #: 8750960
Handicap Access: No
Parcel #: 00072590-000100
Zoning: R-2A - Key Colony Two Family
Deed Restrictions: Unknown
Legal: KEY COLONY BEACH PB3-120 SHELTER KEY S1/2 LOT 31 BLK 2
Taxes: 4577.26
Tax Year: 2025
Pub Sewer HkUp: Yes
Street #: 300
Street Name: 3rd
Street Suffix: Street
Key/Island: Key Colony
State/Province: FL
Zip Code: 33051
County: Monroe
Subdivision: Key Colony Bch 1st Addn Amd Plat (53.5)
Area: 17 - Vaca Cut - Both Sides Holiday Inn/Key Colony
General Property Description
Realtor.COM Type: Residential - Single Family
Waterfront: No
Control Depth: 0
Lot Size: 30 x 110
Lot SqFt: 3300
Pool: No
Lot Sqft Source: Property Data Card
Total Units: 0
Acres: 0.08
SqFt Source: Property Data Card
Rentals Allowed: Yes
Min Rental Days: 7
Style: Half Duplex
Year Built: 1982
Living Apx SqFt: 1031
Total Bedrooms: 2
Full Baths: 2
Total Baths: 2
Remarks & Misc
Remarks – Consumer: Discover this charming and affordable 2-bedroom, 2-bath half duplex with an open-concept living, dining, and kitchen area - perfect for relaxed island living. Featuring a freshly painted exterior, new A/C (2025), lovingly maintained and stilted. Plenty of outdoor living areas and covered parking, a one-car garage, plus space for a trailer or RV, all of your tropical toys. A spacious primary suite offers a walk-in closet, and a comfortable layout which is ideal for your family home, employee housing, or Keys weekend getaway. Located just steps from the Cabana Pool and Beach Club, you can easily walk or bike around the entire city to enjoy its many amenities, including restaurants, marina, post office, golf, pickleball, tennis, bocce ball, three playgrounds, basketball, and the beautiful Sunset Park. Conveniently located near several airports: 10 minutes to Marathon Airport, just over 1 hour to Key West International, 2 hours to Miami International, and 2.5 hours to Fort Lauderdale International. Enjoy the best of Keys living in this welcoming home; comfortable, convenient, and move-in ready! Located in the very heart of the Keys: Key Colony Beach!
Directions: Overseas Hwy Mile Marker 53.5 turn at light onto Sadowski/KCB Causeway. Bear left onto E. Ocean Dr - Turn Left onto 3rd St - Follow to #300 3rd on right
Association Info
Mandatory Home Owners Asc: No
1st Right of Refusal: No
Association Fee $: 0
Fee Includes
Water: 1
None: 1
Dockage
None: 1
Tax Exemptions
None: 1
Appliances
Dishwasher: 1
Dryer: 1
Microwave: 1
Range: 1
Refrigerator: 1
Washer: 1
Pets
Pets Allowed: 1
Cooling
Ceiling Fans(s): 1
Central Air: 1
Waterfront
None: 1
Waterview
No Waterview: 1
Floor
Tile: 1
Neighborhood Feature
Airstrip: 1
Beach: 1
Bike Paths: 1
Community Boat Ramp: 1
Tennis Courts: 1
Interior Features
Pantry: 1
Smoke Alarms: 1
Window Treatments: 1
Property Condition
Updated/Remodeled: 1
Building Style
Above Flood: Yes
Stilt Column Height: Medium - 5Ft - 9Ft
Windows/Doors
Other Windows/Doors: 1
Vehicle Storage
Car(s): 1
Carport: 1
Covered Parking: 1
Garage: 1
Guest Parking: 1
RV Parking Open: 1
Attached: 1
Off Street Parking: 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
Title
Title Ins - Buyer: 1
Roof
Shingle Roof: 1
Financial Status
Standard Sale: Yes
Shutters
Panel: 1
Status Change Info
Status: Active
Property Features
Fee Includes: Water; None
Tax Exemptions: None
Waterfront: None
Waterview: No Waterview
Dockage: None
Property Condition: Updated/Remodeled
Vehicle Storage: Garage; Carport; Attached; Covered Parking; Guest Parking; Off Street 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: Pantry; Smoke Alarms; Window Treatments
Appliances: Dishwasher; Dryer; Microwave; Range; Refrigerator; Washer
Construction: CBS
Shutters: Panel
Floor: Tile
Roof: Shingle 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 - 14 - 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.