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$3,595,000
820 12Th Street
Key Colony, FL 33051
MLS# 618280
6 beds  |  4 baths  |  3333 sqft


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Back End Aerial 2 Back 2 Aerial Pool Patio View Aerial Waterway Aerial Aerial 2 Front Front 2 Entry Living Space Living Space 2 Kitchen Kitchen 2 Kitchen 3 Laundry Room Kitchen 4 Dining Dining 2 Half bath Living Space Bed1 Bath Bed2 Bath2 Bed3 Bed4 Living Space Flex.Office.Bedroom Main Bed Main Bed 2 Main Bath Main Bath 2 Main Closet 33 Main Bed Deck 34 Main Bed View 37 Patio 38 Pool 39 Pool 40 Pool 41 Pool Dock Area Canal Lounging Patio Hottub Patio 2 Car Garage House Aerial Front End Aerial
Open House (01/25/2026 - 1:00 pm - 3:00 pm)

Property Description
Luxurious waterfront home offering sweeping views of Shelter Bay and 75 feet of deep-water (5 ft) dockage with direct ocean or Gulf access via Vaca Cut, just minutes to open water, a true boater's delight. Custom built by D'Asign Source, this six-bedroom 3.5-bath residence spans over 3,300 square feet and comes fully furnished (with select seller exclusions), making it ideal as a turnkey vacation rental (7 day minimum), second home, or primary residence. Designed in classic South Florida style, the home features soaring ceilings, an open and airy floorplan, abundant natural light, and whitewashed terracotta tile that adds warmth and timeless island character. The spacious kitchen includes granite countertops, stainless steel appliances with a Bosch convection cooktop, and a center island, perfectly suited for entertaining. A flexible sixth bedroom functions beautifully as an office on the second level, part of a private primary retreat that occupies the entire upper floor. Outdoor living is a highlight, with an east-facing backyard, a resort-style pool (resurfaced in 2021) and hot tub, outdoor kitchen, convenient poolside bathroom connects directly to one of the bedrooms (ideal for guest comfort and rental functionality), and lush, easy-care Xeriscaping, perfect for relaxed island evenings. Boaters will also appreciate the step-down dock and concrete seawall rebuilt in 2024, providing unobstructed water access. Additional features consist of a low maintenance brick paver driveway and 2 car garage (new door in 2025). Key Colony Beach is a planned island community known for its mobility, quiet streets, and dedicated city services. Residents enjoy public beaches, a par-3 golf course, marina, tennis and pickleball courts, scenic trails and biking paths. An exceptional opportunity for investors, water lovers, and those seeking a light-filled waterfront home where every detail supports both lifestyle and long-term value.

Details
Maps
Contract Information
Listing Board: Key West Association
Current Price: $3,595,000
Listing Date: 2026-01-23
List Price: $3,595,000
Location, Tax & Legal
City: KEY COLONY
Mile Marker: 53.5
Marathon Neighborhood: Marathon East - Gulf (Airport to Vaca)
Side: Bay/Gulf
Flood Zone: AE
Alternate Key #: 1083089
Parcel #: 00077350-000000
Zoning: R-1A - Key Colony Single Family
Deed Restrictions: No
Legal: BK 12 LT 40 KEY COLONY BEACH SECOND ADDN SHELTER KEY PB4-94 OR432-341 OR755-1020 OR855-236 OR1225-649 OR1318-2168/69AFF
Taxes: 22531.78
Tax Year: 2025
Pub Sewer HkUp: Yes
Street #: 820
Street Name: 12Th
Street Suffix: Street
Key/Island: Key Colony
State/Province: FL
Zip Code: 33051
County: Monroe
Subdivision: Key Colony Bch 2nd Addn (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 SqFt: 8250
Pool: Yes
Lot Sqft Source: Tax Records
Total Units: 1
Acres: 0.19
SqFt Source: Tax Records
Rentals Allowed: Yes
Min Rental Days: 7
Style: Single Family
Year Built: 1993
Living Apx SqFt: 3333
Total Bedrooms: 6
Full Baths: 3
Half Baths: 1
Total Baths: 4
Remarks & Misc
Remarks – Consumer: Luxurious waterfront home offering sweeping views of Shelter Bay and 75 feet of deep-water (5 ft) dockage with direct ocean or Gulf access via Vaca Cut, just minutes to open water, a true boater's delight. Custom built by D'Asign Source, this six-bedroom 3.5-bath residence spans over 3,300 square feet and comes fully furnished (with select seller exclusions), making it ideal as a turnkey vacation rental (7 day minimum), second home, or primary residence. Designed in classic South Florida style, the home features soaring ceilings, an open and airy floorplan, abundant natural light, and whitewashed terracotta tile that adds warmth and timeless island character. The spacious kitchen includes granite countertops, stainless steel appliances with a Bosch convection cooktop, and a center island, perfectly suited for entertaining. A flexible sixth bedroom functions beautifully as an office on the second level, part of a private primary retreat that occupies the entire upper floor. Outdoor living is a highlight, with an east-facing backyard, a resort-style pool (resurfaced in 2021) and hot tub, outdoor kitchen, convenient poolside bathroom connects directly to one of the bedrooms (ideal for guest comfort and rental functionality), and lush, easy-care Xeriscaping, perfect for relaxed island evenings. Boaters will also appreciate the step-down dock and concrete seawall rebuilt in 2024, providing unobstructed water access. Additional features consist of a low maintenance brick paver driveway and 2 car garage (new door in 2025). Key Colony Beach is a planned island community known for its mobility, quiet streets, and dedicated city services. Residents enjoy public beaches, a par-3 golf course, marina, tennis and pickleball courts, scenic trails and biking paths. An exceptional opportunity for investors, water lovers, and those seeking a light-filled waterfront home where every detail supports both lifestyle and long-term value.
Directions: Take US1 to Sadowski Causeway, turn right on W. Ocean Dr, then right on 12th Street. Home is on the right at 820 12th Street.
Association Info
Mandatory Home Owners Asc: No
1st Right of Refusal: No
Association Fee $: 0
Fee Includes
None: 1
Dockage
Dock Length: 75
Dock: Concrete
Boat Lift: 1
Seawall: Concrete
Tax Exemptions
None: 1
Appliances
Dishwasher: 1
Disposal: 1
Dryer: 1
Microwave: 1
Oven: 1
Refrigerator: 1
Stainless Steel Appliance(s): 1
Washer: 1
Pets
Pets Allowed: 1
Cooling
Ceiling Fans(s): 1
Central Air: 1
Heat Pump: 1
Heating
Central: 1
Electric: 1
Waterfront
Bay Front: 1
Canal Front: 1
Open Water: 1
Waterview
Bay/Gulf View: 1
Canal View: 1
Ocean View: 1
Open Water View: 1
Floor
Carpet: 1
Tile: 1
Wood: 1
Neighborhood Feature
Beach: 1
Bike Paths: 1
Tennis Courts: 1
Other Area Features: 1
Interior Features
Cathedral Ceilings: 1
Drapes/Blinds Incl: 1
Granite Counter Top: 1
Smoke Alarms: 1
Walk-in Closet(s): 1
Whirlpool Bath Tub: 1
Window Treatments: 1
Specialty Rooms
Laundry Room: 1
Building Style
Above Flood: No
Stories: 2 Stories
Windows/Doors
Impact Rstnce Window: 1
Other Windows/Doors: 1
Vehicle Storage
Car(s): 4+
Garage: 1
Guest Parking: 1
Off Street Parking: 1
Construction
CBS: 1
Land Size
Less Than 1/4 Acre: 1
Furnished
Furnished: 1
Terms
Cash: 1
Conventional: 1
Utilities
FKAA: 1
Municipal Sewer: 1
Porch/Balcony
Open Porch/Balcony: 1
Patio: 1
Title
Negotiable: 1
Exterior Features
Hot Tub: 1
Lighting: 1
Outdoor Kitchen: 1
Pool Info
In Ground: 1
Heated: Yes
Decked: 1
Roof
Tile Roof: 1
Financial Status
Standard Sale: Yes
Shutters
Other: 1
Status Change Info
Status: Active
Property Features
Fee Includes: None
Tax Exemptions: None
Waterfront: Bay Front; Canal Front; Open Water
Waterview: Bay/Gulf View; Canal View; Ocean View; Open Water View
Dockage: Boat Lift
Vehicle Storage: Garage; Guest Parking; Off Street Parking
Furnished: Furnished
Cooling: Ceiling Fans(s); Central Air; Heat Pump
Heating: Central; Electric
Utilities: FKAA; Municipal Sewer
Interior Features: Cathedral Ceilings; Drapes/Blinds Incl; Granite Counter Top; Smoke Alarms; Walk-in Closet(s); Whirlpool Bath Tub; Window Treatments
Specialty Rooms: Laundry Room
Appliances: Dishwasher; Disposal; Dryer; Microwave; Oven; Refrigerator; Stainless Steel Appliance(s); Washer
Exterior Features: Hot Tub; Lighting; Outdoor Kitchen
Pool Info: In Ground; Decked
Construction: CBS
Shutters: Other
Floor: Carpet; Tile; Wood
Roof: Tile Roof
Pets: Pets Allowed
Neighborhood Feature: Beach; Bike Paths; Tennis Courts; Other Area Features
Land Size: Less Than 1/4 Acre
Terms: Cash; Conventional
Title: Negotiable
Room Information
Room Name Length Level Length Width Width Remarks
Living Room27.00Main27.0021.1121.11
Kitchen22.00Main22.0018.0018.00
Dining Room12.00Main12.0010.0010.00
Other Room9.00Main9.007.117.11Laundry Room
Bedroom 112.00Main12.0011.5011.50
Bedroom 212.00Main12.0010.0010.00
Bedroom 318.80Main18.8012.6012.60
Bedroom 414.00Main14.0012.0012.00
Bedroom 1125.40Second125.4021.1121.11Main Bedroom
Bedroom 212.00Second12.008.008.00Currently an Office

Listing Office: Loffreno Real Estate

Last Updated: January - 24 - 2026

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