810 39th St, Unit GULF

Marathon, FL 33050

$4,690,000
Price
5
Beds
3,026 Sq. Ft.
$1,550 / Sq. Ft.
3,026
Sq. Ft.
$1,550
per Sq. Ft.
a front view of a house with a yard
a house with palm tree in front of it
Slip
a living room with furniture and a wooden floor
a living room with furniture and a flat screen tv
a kitchen with a sink stools a counter space and cabinets
a bathroom with a granite countertop toilet and a sink
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a kitchen with stainless steel appliances granite countertop a stove top oven a sink dishwasher and white cabinets with wooden floor
a living room with furniture and a flat screen tv
a view of a dining room with furniture a potted plant and wooden floor
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a kitchen with kitchen island granite countertop a sink a stove and white cabinets
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a bedroom with a bed and a flat screen tv
a view of walk in closet with clothes
a bathroom with a sink a toilet and shower
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a view of a hallway with wooden floor and stairs
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a bedroom with two beds and white walls
a bedroom with a bed a flat screen tv and dresser
a bathroom with a shower and a shower curtain
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a bathroom with a sink and a toilet
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a bedroom with a bed and window
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a view of a hallway with wooden floor
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a bedroom with a bed and a flat screen tv
a bathroom with a sink and a mirror
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a bedroom with a bed couch and a view of kitchen
a large white bed in a white room
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a bathroom with a toilet a sink and a mirror
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a view of walk in closet with empty racks
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a view of balcony with furniture
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a balcony with furniture and a potted plant
a view of a balcony with wooden floor
a view of a porch
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a view of a city from a balcony
a living room with patio furniture and a garden
a living room with furniture and a window
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a view of outdoor space with seating area
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a bathroom with a granite countertop toilet a sink and a mirror
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a view of livingroom with washer and dryer
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a view of a balcony with an outdoor space
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a view of a dining room with furniture and wooden floor
a living room with furniture and a flat screen tv
a large kitchen with stainless steel appliances granite countertop a large counter top a stove a sink and a refrigerator
a front view of house with yard along with palm trees
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a view of a backyard with sitting area
an aerial view of a house with garden space and lake view
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an aerial view of a house with a ocean view
an aerial view of a house with balcony
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an aerial view of a house with garden space and sitting area
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a front view of a house with a yard
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front view of a house with a porch
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a front view of a house with a yard
a front view of a house with a yard

Description

Welcome to 810 39th Street Gulf, a stunning new 2024 Gulf-front home in Emerald Flats, an exclusive gated community of just 18 residences. Built by the Keys' premier builder D'Asign Source, this three-story concrete block home with concrete subfloors combines strength, design, and luxury in every detail. Featuring 5 bedrooms and 5 baths, this residence offers a bright open layout with panoramic Gulf views through walls of glass. The private elevator connects all levels, and the interior showcases...Welcome to 810 39th Street Gulf, a stunning new 2024 Gulf-front home in Emerald Flats, an exclusive gated community of just 18 residences. Built by the Keys' premier builder D'Asign Source, this three-story concrete block home with concrete subfloors combines strength, design, and luxury in every detail. Featuring 5 bedrooms and 5 baths, this residence offers a bright open layout with panoramic Gulf views through walls of glass. The private elevator connects all levels, and the interior showcases a chef's kitchen with premium appliances, quartz counters, and a full wet bar for effortless entertaining. The outdoor space is pure paradise with a resort-style pool, hot tub, and sunshelf, all positioned perfectly to enjoy both sunrises and sunsets from the home's ideal north-facing exposure. Boaters will love the private 50' boat slip with deep-water access, plus additional slips available if needed. The expansive garage and tackle area provides ample storage and includes an industrial refrigerator and freezer, ideal for fishing and boating enthusiasts. The home also offers three washers and three dryers, lockable owner's closets, and a proven record as a profitable vacation rental, with future bookings that can be retained or released by the buyer. Designed and built for low-maintenance, luxury coastal living, this home combines elegant finishes, enduring construction, and unmatched functionality. Whether as a primary residence, family retreat, or high-performing investment, 810 39th Street Gulf delivers the ultimate Florida Keys lifestyle--new construction, deep-water access, and breathtaking open-water views in one of Marathon's most desirable Gulf-front settings.
  1. Listed by Rachel Gallagher • Re/Max Alliance Group

Property Details for 810 39th Street, Unit GULF

Waterfront
Gulf Front
Waterfront
Yes
Zoning
RH - Residential High
Subdivision
Marathon Beach (49.0)
Directions
Head north on 39th street until it dead ends. Agent will provide gate code.
Vehicle Storage
Garage, Guest Parking, Auto Door Opener, Attached
Pets
Pets Allowed
LISTING UPDATED: 01/08/2026 06:22 AM

Property Details for 810 39th Street, Unit GULF

StatusActive
MLS #617129
Days on Market76
Taxes$5,605 / year
HOA Fees$551
Condo/Co-op Fees-
Compass TypeSingle Family
MLS TypeResidential / Single Family
Year Built2024
Lot Size0.14 AC / 6,207 SF
CountyMonroe County

Location

Listing Courtesy of Re/Max Alliance Group
Add your commute

Building Information for 810 39th Street, Unit GULF

Stories-Year Built2024Building Size-Lot Size0.14 AC / 6,207 SF

Payment Calculator

$23,876 per month

30 year fixed, 6.15% Interest

Principal and Interest

$22,858

Property Taxes

$467

HOA Dues

$551

The Payment Calculator is for illustrative purposes only.

Property Information for 810 39th Street, Unit GULF

Summary
Location and General Information
  • Waterview: Ocean View, Harbor/Marina View, Open Water View, Bay/Gulf View
  • Area: 13 - 7 Mile Bridge to Sombrero Bch Rd E & W
  • Absolute Longitude: 81.088608
  • Control Depth: 6
  • Listing Board: Marathon/Lower Keys
  • Side: Bay/Gulf
  • Mile Marker: 49.0
  • Marathon Neighborhood: Old Town East (25th to Sombrero)
  • Accessibility Feat: Accessible Full Bath, Accessible Kitchen, Accessible Elevator Installed, Accessible Doors
  • Key/Island: Marathon
Taxes and HOA Information
  • Association Info: Mandatory Home Owners Asc: Yes
  • Association Info: 1st Right of Refusal: No
  • Fee Includes: Common Area Mnt, Security
  • Furnished: Furnished
  • Tax Year: 2024
  • Tax Exemptions: None
Property
Lot Information
  • Parcel #: 00337391-001000
  • Land Size: 1/4 - 1/2 Acre
Property and Assessments
  • Legal: UNIT 10 EMERALD FLATS SUB PB2-21 PORTION OF BLOCK 5 RESUBDIVISION OF MARTHON BEACH OR3146-1823 OR3286-2154
  • MLS Approved: Y
  • SqFt Source: Tax Records
  • Flood Zone: VE,VE,VE
  • Rentals Allowed: Yes
  • Deed Restrictions: Yes
  • Picture Count: 127
  • Document Count: 2
  • Building Style: Above Flood: Yes
  • Property Condition: New Construction
  • Security: Electric Gate
  • Title: Title Ins - Buyer
Utilities
  • Utilities: Cable Available
  • Pub Sewer HkUp: Yes
  • Pool: Yes
  • Pool Info: Heated: Yes
  • Pool Info: In Ground, Salt Water
  • Porch/Balcony: Open Porch/Balcony
Interior and Exterior Features
Interior Features
  • Floor: Tile
  • Interior Features: Drapes/Blinds Incl, Built-in Cabinets, Quartz Countertops, Bar, Walk-in Closet(s), Elevator, Split Bedroom, Wet Bar
  • Pre-Wired: Cable, Optical
  • Appliances: Washer, Stainless Steel Appliance(s), Ice Machine, Freezer, Disposal, Microwave, Oven, Range, Refrigerator, Dishwasher, Dryer
Exterior Features
  • Roof: Metal Roof
  • Construction: Concrete, Stucco
  • Dockage: Boat Slip
  • Exterior Features: Hot Tub, Privacy Wall/Fence, Lanai, Lighting
  • Windows/Doors: Double Hung Windows, Impact Rstnce Window, Impact Rstnce Doors, Sliding Glass Doors, Glass Doors
Room Information
  • Specialty Rooms: Laundry Room, Utility Room
Room Information
Room 1 Information
  • Room Type: Bedroom 1
  • Level: 2
Room 2 Information
  • Room Type: Full Bathroom
  • Level: 2
Room 3 Information
  • Room Type: Bedroom 2
  • Level: 3
Room 4 Information
  • Room Type: Bedroom 3
  • Level: 3
Room 5 Information
  • Room Type: Bedroom 4
  • Level: 3
Room 6 Information
  • Room Type: Other Room
  • Level: 3
Room 7 Information
  • Room Type: Living Room
  • Level: 2
Room 8 Information
  • Room Type: Kitchen
  • Level: 2

Property History for 810 39th Street, Unit GULF

DateEvent & SourcePriceAppreciation
Nov 1, 2025

Price Change

FKMLS #617129

$4,995,000—
Nov 1, 2025

Listed (Active)

FKMLS #617129

$4,690,000—
DateEvent & SourcePrice
11/01/2025

Price Change

FKMLS #617129

$4,995,000
11/01/2025

Listed (Active)

FKMLS #617129

$4,690,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Schools near 810 39th Street, Unit GULF

This home is within Monroe.
Rating
School
Type
Grades
Distance
Stanley Switlik Elementary School
Public - PK to 5
Marathon School
Public - 6 to 12
Coral Shores High School
Public - 9 to 12
Big Pine Academy
Charter - PK to 5
Rating
School
Distance
Stanley Switlik Elementary School
PublicPK to 5

Marathon School
Public6 to 12

Coral Shores High School
Public9 to 12

Big Pine Academy
CharterPK to 5

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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More information about 810 39th Street, Unit GULF, Marathon, FL 33050

810 39th Street, Unit GULF is a single family home for sale in Marathon, FL 33050. This property was listed for sale on November 1, 2025 by Re/Max Alliance Group, it's currently listed at $4,690,000. This listing's school district is Monroe. Nearby schools include Stanley Switlik Elementary School, Marathon School and Coral Shores High School. 810 39th Street, Unit GULF is a 5-bed, 5-bath, 3,026 sqft single family home built in 2024.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity. Subject to change at any time. Compass makes no guarantee, warranty or representation regarding the accuracy of any waterfront feature, water view or waterfront view.

Listing Courtesy of Re/Max Alliance Group

Based on information from one of the following Multiple Listing Services: Beaches Multiple Listing Service, Inc., Martin County REALTORS® of the Treasure Coast, Inc., Miami Association of REALTORS®. Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by Beaches Multiple Listing Service, Inc., Martin County REALTORS® of the Treasure Coast, Inc., Miami Association of REALTORS® is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.