809 39Th St Gulf, Marathon, FL 33050
$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.