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  • 809 39Th St Gulf, Marathon, FL 33050 (MLS# 618775)

809 39Th St Gulf, Marathon, FL 33050

New Listing
$4,995,000
Property Type: Residential Bedrooms: 4 Baths: 6 Square Footage: 3,687 Lot Size (sq. ft.): 4,436 Status: Active
Current Price: $4,995,000 List Date: 2/23/2026 Last Modified: 2/27/2026

Description

Experience luxury waterfront living in the heart of the Florida Keys at this exceptional Gulf-front residence offering direct Gulf of America views, no rear neighbors, and deep-water marina access. Built by D'Asign Source, this custom masterpiece delivers premium craftsmanship, privacy, and resort-style amenities, professionally furnished for effortless coastal living. Enjoy nightly sunsets from a thoughtfully designed floor plan featuring solid core doors, metal stud framing, spray foam insulation, double plywood subfloors, and enhanced sound barriers for superior durability and comfort. The gourmet kitchen showcases Sub-Zero and Wolf appliances (purchased separately), gas cooktop, dual gas water heaters, commercial ice maker, reverse osmosis system, custom cabinetry, and matte-finish quartz countertops and backsplash. Each bedroom offers a private en-suite bath, with the primary suite highlighted by a marble shower and upgraded fixtures. Comfort is elevated with dehumidifiers on all levels, UV lights, HEPA filtration, modern linear vents, whole-house water filtration, and a water softener system. Smart-home features include Sonos sound, security system with cameras, interior and exterior Wi-Fi, electric blinds, window tinting, dimmers, and mounted or pre-wired TVs. Outdoor living rivals a private resort with a heated and chilled app-controlled pool, outdoor kitchen and bar, hurricane-rated marine fans, professional lighting, low-maintenance Astroturf, marine-grade cabinetry, Blaze grill and refrigerator, granite countertops, and Berlin Gardens furnishings. Additional highlights include an epoxy-coated garage, over $150,000 in Restoration Hardware furnishings, recently dredged seawall, deep-water marina access, and direct open-water access for world-class boating and fishing. Boat Slip #24 is included, with Boat Slip #9 featuring a 40,000-lb lift available separately. Located just minutes from Marathon Airport and 45 minutes from Key West Airport.

More Information MLS# 618775

Contract Information

Listing Board: Marathon/Lower Keys As is Rght to Inspct: Yes Current Price: $4,995,000 Listing Date: 2026-02-22 List Price: $4,995,000

Location, Tax & Legal

City: MARATHON Mile Marker: 49 Marathon Neighborhood: Old Town East (25th to Sombrero) Side: Bay/Gulf Flood Zone: VE,VE,VE Alternate Key #: 9104897 Parcel #: 00337391-000900 Zoning: RH - Residential High Deed Restrictions: Yes Legal: UNIT 9 EMERALD FLATS SUB PB2-21 PORTION OF BLOCK 5 RESUBDIVISION OF MARTHON BEACH OR3146-1823 OR3339-1139 Taxes: 3368.53 Tax Year: 2025 Pub Sewer HkUp: Yes Street #: 809 Street Name: 39Th St Gulf Key/Island: Marathon State/Province: FL Zip Code: 33050 County: Monroe Subdivision: Marathon Beach (49.0) Area: 13 - 7 Mile Bridge to Sombrero Bch Rd E & W

General Property Description

Realtor.COM Type: Residential - Single Family Waterfront: Yes Control Depth: 6 Lot Size: X Lot SqFt: 4436 Pool: Yes Acres: 0.1 SqFt Source: Tax Records Rentals Allowed: Yes Min Rental Days: 7 Style: Single Family Year Built: 2025 Living Apx SqFt: 3687 Total Bedrooms: 4 Full Baths: 5 Half Baths: 1 Total Baths: 6

Remarks & Misc

Remarks – Consumer: Experience luxury waterfront living in the heart of the Florida Keys at this exceptional Gulf-front residence offering direct Gulf of America views, no rear neighbors, and deep-water marina access. Built by D'Asign Source, this custom masterpiece delivers premium craftsmanship, privacy, and resort-style amenities, professionally furnished for effortless coastal living. Enjoy nightly sunsets from a thoughtfully designed floor plan featuring solid core doors, metal stud framing, spray foam insulation, double plywood subfloors, and enhanced sound barriers for superior durability and comfort. The gourmet kitchen showcases Sub-Zero and Wolf appliances (purchased separately), gas cooktop, dual gas water heaters, commercial ice maker, reverse osmosis system, custom cabinetry, and matte-finish quartz countertops and backsplash. Each bedroom offers a private en-suite bath, with the primary suite highlighted by a marble shower and upgraded fixtures. Comfort is elevated with dehumidifiers on all levels, UV lights, HEPA filtration, modern linear vents, whole-house water filtration, and a water softener system. Smart-home features include Sonos sound, security system with cameras, interior and exterior Wi-Fi, electric blinds, window tinting, dimmers, and mounted or pre-wired TVs. Outdoor living rivals a private resort with a heated and chilled app-controlled pool, outdoor kitchen and bar, hurricane-rated marine fans, professional lighting, low-maintenance Astroturf, marine-grade cabinetry, Blaze grill and refrigerator, granite countertops, and Berlin Gardens furnishings. Additional highlights include an epoxy-coated garage, over $150,000 in Restoration Hardware furnishings, recently dredged seawall, deep-water marina access, and direct open-water access for world-class boating and fishing. Boat Slip #24 is included, with Boat Slip #9 featuring a 40,000-lb lift available separately. Located just minutes from Marathon Airport and 45 minutes from Key West Airport. Directions: Dead end of 39th Street Gulf.

Association Info

Mandatory Home Owners Asc: Yes 1st Right of Refusal: No Association Fee $: 550

Fee Includes

Common Area Mnt: 1

Dockage

Dock Length: 50 Boat Slip: 1

Tax Exemptions

None: 1

Appliances

Dishwasher: 1 Disposal: 1 Dryer: 1 Freezer: 1 Gas Appliances: 1 Ice Machine: 1 Microwave: 1 Oven: 1 Range: 1 Refrigerator: 1 Stainless Steel Appliance(s): 1 Washer: 1 Water Purification: 1 Water Softener: 1 Wine Cooler: 1

Pets

Pets Allowed: 1

Waterfront

Bay Front: 1 Gulf Front: 1

Waterview

Bay/Gulf View: 1 Open Water View: 1

Building Style

Above Flood: Yes Stories: 3 Stories

Construction

Concrete: 1 Stucco: 1

Land Size

Less Than 1/4 Acre: 1

Utilities

Cable Available: 1 Municipal Sewer: 1 Propane: 1

Pool Info

In Ground: 1 Salt Water: 1 Concrete: 1

Status Change Info

Status: Active

Property Features

Fee Includes: Common Area Mnt Tax Exemptions: None Waterfront: Bay Front; Gulf Front Waterview: Bay/Gulf View; Open Water View Dockage: Boat Slip Utilities: Cable Available; Municipal Sewer; Propane Appliances: Dishwasher; Disposal; Dryer; Freezer; Gas Appliances; Ice Machine; Microwave; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer; Water Purification; Water Softener; Wine Cooler Pool Info: In Ground; Salt Water; Concrete Construction: Concrete; Stucco Pets: Pets Allowed Land Size: Less Than 1/4 Acre

Room Information

Living Room Level: Second Bedroom 1 Level: Third Bedroom 2 Level: Third Bedroom 3 Level: Third Bedroom 4 Level: Second
Listing Office: Re/Max Alliance Group
Last Updated: February - 27 - 2026
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.

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