360 12th St
Marathon, FL 33051
5 Beds
5.5 Baths
3,578 sqft (on 0.42 acres)
5 Beds
5.5 Baths
3,578 sqft
(on 0.42 acres)
Local Information
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Description
A Truly Rare Waterfront Estate in Key Colony Beach -- Privacy, Scale, and Turnkey PerfectionPerfectly centered on two full lots, this exceptional Key Colony Beach residence offers a rare level of privacy and space paired with 165 feet of deep-water canal frontage & premier boating access.Fully renovated in 2024, the two-story home is thoughtfully designed for entertaining, guest comfort & everyday coastal living. The first floor serves as a private guest and recreation level, featuring a large bedroom & a spacious nearby full bathroom with double vanities & a separate shower and toilet room. A comfortable TV and lounge area is complemented by a bar, refrigerator, & game table, creating an ideal space for relaxing or hosting guests. This level also includes a one-car garage, a dedicated half-garage for bikes and gear, air-conditioned storage ideal for dive or fishing equipment, & a rare full-length pass-through garage connecting the front of the home directly to the waterfront, with a golf-cart-sized rear garage door providing seamless dock access.The second floor is the main living level & showcases an expansive open-concept kitchen, great room, and oversized dining area with seating for twelve. Filled with natural light, the space is equally suited for large gatherings or relaxed everyday living. The chef's kitchen features premium cabinetry, high-end appliances, and a generous island. Four additional bedrooms are located on this level each with its own en-suite bathroom. The primary suite includes a private balcony, walk-in closet, double vanity, private water closet, and spa-style shower, with a generously sized laundry room also located on this level.Outdoor living defines the property, with two boat lifts rated for 24K & 15K pounds, quick access to both the ocean and Gulf, and a completely remodeled heated saltwater pool surrounded by expansive covered and open patio areas. The east-facing rear exposure offers beautiful morning light & shaded afternoons
Home Highlights
Parking
Garage
Outdoor
Porch, Pool
View
Canal
HOA
None
Price/Sqft
$1,117
Listed
148 days ago
Home Details for 360 12th St
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Interior Details Wet Bar |
Beds & Baths Number of Bedrooms: 5Number of Bathrooms: 6Number of Bathrooms (full): 5Number of Bathrooms (half): 1 |
Dimensions and Layout Living Area: 3578 Square Feet |
Appliances & Utilities Utilities: FKAA, Buyer to VerifyAppliances: Washer, Microwave, Oven, Range, Refrigerator, Dishwasher, DryerDishwasherDryerMicrowaveRefrigeratorWasher |
Heating & Cooling Has CoolingAir Conditioning: Central Air,Ceiling Fans(s) |
Gas & Electric Electric: Elect Separate Meter |
Windows, Doors, Floors & Walls Window: Impact Rstnce WindowDoor: Impact Rstnce Doors |
Levels, Entrance, & Accessibility Stories: 2Levels: Two |
View Has a ViewView: Canal |
Security Security: Patrolled Area |
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Exterior Home Features Roof: MetalPatio / Porch: Open Porch/BalconyFencing: FencedExterior: Bar, Storage, Outdoor Kitchen, LightingHas a Private Pool |
Parking & Garage No CarportHas a GarageNo Attached GarageNo Open ParkingParking: Garage,Trailer Storage,Off Street |
Pool Pool: Heated, In Ground, ConcretePool |
Frontage WaterfrontWaterfront: Canal Front, Waterfront, Dock: Concrete, Dock Length: 165, Dockage: Boat LiftOn Waterfront |
Water & Sewer Sewer: Public Sewer |
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Days on Market: 148 |
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Year Built Year Built: 1977 |
Property Type / Style Property Type: ResidentialProperty Subtype: Single Family Residence |
Building Construction Materials: Combo ConstructionNot a New Construction |
Property Information Condition: Updated/RemodeledParcel Number: 00077580000000 |
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Price List Price: $3,995,000Price Per Sqft: $1,117 |
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MLS Status: Active |
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Direction & Address City: Key ColonyCommunity: Key Colony Bch 2nd Addn (53.5) |
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Listing Agent Listing ID: 617684 |
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Community Features: Tennis Court(s), Bike Paths, Airport/Runway, Beach |
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HOA Fee Includes: NoneAssociation for this Listing: Marathon/Lower KeysNo HOAHOA Fee: No HOA Fee |
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Lot Area: 0.42 acres |
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Listing Terms: Cash, Conventional |
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Mls Number: 617684Water ViewWater View: Canal |
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Tennis Court(s)Bike PathsAirport/RunwayBeach |
Last check for updates: about 5 hours ago
Listing courtesy of Jessica Borraccino, (305) 619-2648
Coldwell Banker Schmitt Real Estate Co.
Originating MLS: Marathon/Lower Keys
Source: FLKMLS, MLS#617684
Price History for 360 12th St
| Date | Price | Event | Source |
|---|---|---|---|
| 03/18/2026 | $3,995,000 | PriceChange | Key West AOR #617684 |
| 12/12/2025 | $4,400,000 | Listed For Sale | Key West AOR #617684 |
| 08/25/2022 | $2,500,000 | Sold | MIAMI #A11214871 |
| 08/02/2022 | $3,250,000 | Pending | FLKMLS #600863 |
| 07/21/2022 | $3,250,000 | Contingent | Key West AOR #600863 |
| 07/19/2022 | $3,250,000 | PriceChange | Key West AOR #600863 |
| 05/04/2022 | $3,500,000 | Listed For Sale | Key West AOR #600863 |
| 08/11/2004 | $1,900,000 | Sold | N/A |
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Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $22,594 |
| Assessment | $2,786,460 |
Home facts updated by county records
Comparable Sales for 360 12th St
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.09 | Single-Family Home | $3,580,000 | 09/17/25 | 5 | 4.5 | 2,741 | |
0.16 | Single-Family Home | $3,610,000 | 07/14/25 | 5 | 4 | 5,567 | |
0.20 | Single-Family Home | $3,700,000 | 05/01/26 | 5 | 5.5 | 3,422 | |
0.07 | Single-Family Home | $2,070,000 | 05/19/25 | 3 | 2.5 | 2,440 | |
0.10 | Single-Family Home | $2,550,000 | 10/17/25 | 3 | 2.5 | 2,077 | |
0.17 | Single-Family Home | $2,400,000 | 04/24/26 | 3 | 2.5 | 2,521 | |
0.39 | Single-Family Home | $3,250,000 | 04/09/26 | 3 | 3 | 2,600 | |
0.30 | Single-Family Home | $11,200,000 | 02/23/26 | 5 | 5 | 6,420 | |
0.26 | Single-Family Home | $5,500,000 | 03/02/26 | 4 | 3 | 3,967 | |
0.11 | Single-Family Home | $2,237,500 | 04/20/26 | 3 | 2 | 1,584 |
Assigned Schools
These are the assigned schools for 360 12th St.
- Marathon School
- 6-12
- Public
- 797 Students
5/10GreatSchools RatingParent Rating AverageMarathon high school has a horrible education system I went there for a tew years and couldn't tell you one productive thing I've learned in that school administration also blows some of them have horrible attitude and hardly ever do anything about occurring issues they focus on dress code and attendance rather than the drug issue there which seem to be more important than a little rip in your jeans and other deceitful things that happen there as well they are extremely disorganized when it comes to state testing I would not recommend putting your child in this school they also seem to disregard issues between students until it gets physical and have to do something about it most the time they'd rather sit around because they don't like to write reports the things that they discipline for is absolutely ridiculous your child will get disciplined for a tardy before they'll get disciplined for skipping classes they'll bring it your attention when your child's academics are at risk due to poor attendance.Other Review8mo ago - Stanley Switlik Elementary School
- PK-5
- Public
- 573 Students
4/10GreatSchools RatingParent Rating AverageStanley Switlik Elementary has amazingly dedicated, caring teachers and staff. I could not ask for better for my son.Parent Review15y ago 
Check out schools near 360 12th St.
What Locals Say about Key Colony Beach
At least 4 Trulia users voted on each feature.
100 % Say it's quiet
100 % Say it's walkable to restaurants
91 % Say yards are well-kept
90 % Say parking is easy
86 % Say car is needed
80 % Say it's dog friendly
80 % Say people would walk alone at night
78 % Say streets are well-lit
57 % Say they plan to stay for at least 5 years
50 % Say there's holiday spirit
50 % Say there are sidewalks
50 % Say there are community events
50 % Say there's wildlife
38 % Say kids play outside
33 % Say neighbors are friendly
33 % Say it's walkable to grocery stores
Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Jessica Borraccino, Coldwell Banker Schmitt Real Estate Co.
Agent Phone: (305) 619-2648
MLS Internet Data Exchange (IDX) information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by the Florida Keys Board of Realtors.
360 12th St, Marathon, FL 33051 is a 5 bedroom, 6 bathroom, 3,578 sqft single-family home built in 1977. This property is currently available for sale and was listed by FLKMLS on Dec 12, 2025. The MLS # for this home is MLS# 617684.