NEW CONSTRUCTION | FULLY FURNISHED | 45' BOAT SLIP | OPEN GULF VIEWS Experience elevated Florida Keys living in this newly constructed, fully furnished 5-bedroom, 4-bath waterfront residence in the exclusive gated community of Emerald Flats. Perfectly positioned with unobstructed open Gulf views and no rear neighbors, this exceptional home combines privacy, luxury, and outstanding boating access. Designed to maximize its spectacular waterfront setting, the home features two primary suites, each opening to a full-length deck with breathtaking sunrise and open-water views. Enjoy seamless indoor-outdoor living with a private pool, sandy beach area, and deeded 45' boat slip offering protected deep-water dockage just steps from your door. Home is prepped with an elevator shaft which currenly offers locking owners/ additional storage. Beautifully appointed and offered completely turnkey, the residence is currently operating as a successful vacation rental with an established rental history, providing the opportunity for immediate income while still serving as an exceptional personal retreat. Ideally located in the heart of Marathon, just minutes from world-class fishing, seconds from 7 mile bridge, boating, waterfront dining, beaches, and everything the Florida Keys lifestyle has to offer. A rare opportunity to own a new-construction, turnkey Gulf-front home with spectacular open-water views, dual primary suites, exceptional boating access, and income potential.
New construction
$3,795,000
813 39th St, Marathon, FL 33050
5beds
2,628sqft
Single Family Residence
Built in 2025
5,227 Square Feet Lot
$3,632,000 Zestimate®
$1,444/sqft
$390/mo HOA
What's special
Private poolFully furnishedTwo primary suitesSandy beach areaDual primary suitesSpectacular open-water viewsUnobstructed open gulf views
- 52 days
- 397
- 16
Zillow last checked:
Listing updated:
Listed by:
Rachel Gallagher 727-992-9142,
Re/Max Alliance Group
Source: FLKMLS,MLS#: 620953
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 4
- Full bathrooms: 4
Bedroom 1
- Level: Second
Bedroom 2
- Level: Third
Bedroom 3
- Level: Third
Bedroom 4
- Level: Third
Kitchen
- Level: Second
Living room
- Level: Second
Heating
- Has Heating (Unspecified Type)
Cooling
- Central Air, Ceiling Fans(s)
Appliances
- Included: Washer, Dryer, Dishwasher, Refrigerator, Oven, Microwave, Disposal, Wine Cooler, Stainless Steel Appliance(s)
- Laundry: Laundry Room
Features
- Storage, Walk-in Closet(s), Quartz Countertops, Wired for Sound
- Flooring: Tile, Vinyl
- Furnished: Yes
Interior area
- Total structure area: 2,628
- Total interior livable area: 2,628 sqft
Property
Parking
- Parking features: Attached, Garage Door Opener, Open
- Has attached garage: Yes
- Has uncovered spaces: Yes
Accessibility
- Accessibility features: Accessible Doors
Features
- Patio & porch: Open Porch/Balcony, Deck, Patio, Lanai
- Exterior features: Lighting, Outdoor Shower
- Has private pool: Yes
- Pool features: In Ground, Salt Water, Concrete
- Fencing: Fenced,Privacy
- On waterfront: Yes
Lot
- Size: 5,227 Square Feet
Details
- Parcel number: 00337391001300
- Zoning: RH - Residential High
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- CBS, Concrete, Stucco
Condition
- New Construction
- New construction: Yes
- Year built: 2025
Utilities & green energy
- Electric: Optical
- Utilities for property: Cable Available
Community & HOA
Community
- Features: Fire Hydrant, Beach, Other
- Security: Security Gate
- Subdivision: Marathon Beach (49.0)
HOA
- Has HOA: Yes
- Services included: Common Area Mnt, Security
- HOA fee: $390 monthly
Location
- Region: Marathon
Financial & listing details
- Price per square foot: $1,444/sqft
- Tax assessed value: $673,165
- Annual tax amount: $6,382
- Date on market: 8/12/2026
- Listing terms: Assumable,Cash,Conventional
Estimated market value
$3,632,000
$3.45M - $3.81M
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 8/12/2026 | Listed for sale | $3,795,000+1001.6%$1,444/sqft |
Source:  FLKMLS #620953 Report a problem | ||
| 11/19/2024 | Sold | $344,500$131/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $6,382 +38.5% | $673,165 +59.8% |
| 2024 | $4,609 +3% | $421,168 +10% |
| 2023 | $4,474 +36.9% | $382,880 +10% |
| 2022 | $3,269 | $348,073 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.Climate risks
Neighborhood: 33050
Similar homes
- $2,390,0005 bd4 ba2.5k sqft818 39th St, Marathon, FL 33050New Construction
MLS ID #621439, Samuel Davis Williams, Coldwell Banker Schmitt Real Estate Co.. FLKMLS - $2,490,0004 bd4 ba2.8k sqft815 39th St, Marathon, FL 33050New Construction
MLS ID #621438, Samuel Davis Williams, Coldwell Banker Schmitt Real Estate Co.. FLKMLS - $4,490,0005 bd5 ba3.8k sqft865 50th St, Marathon, FL 33050For Sale
MLS ID #619048, Alex Perez, Amerifirst Realty. FLKMLS - $3,300,0004 bd4 ba2.5k sqft355 Stirrup Key Blvd, Marathon, FL 33050For Sale
MLS ID #621321, Lisa Wiebe, Coldwell Banker Schmitt Real Estate Co.. FLKMLS - $3,150,0004 bd3 ba2.4k sqft1157 91ST COURT OCEAN, Marathon, FL 33050New Construction
MLS ID #B26069099, Megann Lucaj PA, Compass Florida LLC. BeachesMLS
