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$2,750,000 Just Listed

  • For Sale
  • Active
  • Single Family
  • 4 Beds
  • 4 Full Baths
  • 2 Partial Baths
  • 2,485 Sq. Ft.
  • Updated 6 days ago
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Resort-style living just got better! Turnkey waterfront living in prestigious Port Largo. This rare turnkey property offers a legally permitted duplex with ocean views, exceptional flexibility, and strong income potential in one of Key Largo's most desirable waterfront communities. The residence features two side-by-side townhomes, each with 2 bedrooms and 2.5 bathrooms, for a total of 4 bedrooms, 4 full baths, and 2 half baths. Every bedroom includes a private en-suite bath, providing comfort and privacy for owners and guests. Situated on 75 feet of waterfront, the property boasts a brand-new heated saltwater pool, concrete dock, and 20,000-pound Neptune boat lift. The wide, 80-foot deep-water canal offers quick ocean access, placing you on the first channel to the Atlantic with ocean views and easy access to world-class fishing, diving, and boating. Built entirely of concrete and fully renovated, this home combines durability with modern coastal style. Tastefully updated kitchen, flooring, baths, and more, this home was thoughtfully designed. Located on sought-after Marina Avenue, just steps from the private Port Largo homeowners' park, you'll enjoy beautiful sunrise views from the balconies and the privacy of a nature preserve directly across the street. The ground level includes a spacious storage room, covered parking, and a spacious tiki hut perfect for outdoor living and entertaining. Additional features include all impact windows and doors, an electric gated entrance on both sides, separate electric and water meters for each unit, and furnishings and décor included. Ideal as an investment property, family compound, or waterfront retreat, this unique Port Largo opportunity delivers the best of the Florida Keys lifestyle. Call today. Owner/Agent.

Full Property Details for 139 Marina Ave

General

  • Price: $2,750,000
  • HOA FEE: $25/month
  • HOA FEE FREQ.: Yearly
  • Taxes: $14,393 (2025)
  • Status: Active
  • Type: Single Family
  • Source: 927
  • MLS ID: 620421
  • Updated: 6/26/2026
  • Added to Site: 7 day(s) ago

Interior

  • Interior Features: Utility Room, Built-in Cabinets, Drapes/Blinds Incl, Quartz Countertops, Smoke Alarms, Storage
  • Appliances: Stainless Steel Appliance(s), Dishwasher, Disposal, Dryer, Microwave, Range, Refrigerator, Washer
  • Flooring: Vinyl, Tile

Rooms

Bathrooms

  • Total Bathrooms: 6
  • Full Bathrooms: 4
  • Half Bathrooms: 2

Bedrooms

  • Total Bedrooms: 4

Additional Information

  • Shared Amenities: Community Boat Ramp
  • Pool: Yes
  • Pool Description: Concrete, Heated, Salt Water, In Ground
  • Security/Safety: No Security

Exterior

  • Exterior Features: Lighting, Chickee Hut, Detached Guest Qtrs, Fencing, Hot Tub, Privacy Wall/Fence, Storage
  • Deck/Patio: Open Porch/Balcony
  • Porch/Patio/Deck: Open Porch/Balcony

Parking

  • Parking Features: Open, Covered

Location

  • Area: 27 - Key Largo MM 97-107
  • County: Monroe
  • Subdivision: Port Largo (100.0)

Community

  • Assoc. Fees Include: None, Common Area Mnt
  • Pets Allowed: Yes

Heating & Cooling

  • Central air: Yes
  • Air Conditioning: Yes
  • Cooling Type: Central Air
  • Heating Type: Central

Structural Information

  • Architectural Style: Above Flood
  • Construction Status: Updated/Remodeled
  • Construction: CBS
  • Roof: Concrete
  • Windows/Doors: Impact Rstnce Doors
  • Square Feet: 2,485
  • Sq. Ft. Source: Property Data Card
  • Year Built: 1980
  • Property Condition: Updated/Remodeled

Lot Features

  • Property View: Canal, Ocean
  • Lot Size (Acres): 0.21
  • Lot Size (Sq. Ft.): 9,375
  • Lot Size Source: Tax Records
  • Lot Dimensions: 75 x 125
  • Zoning: IS - Improved Subivision District

Water Features

  • Water Front: Yes
  • Water View: Yes
  • Water Front Desc.: Canal Front

Financial Considerations

  • Association Fee: Yes
  • Association Fee: $300
  • Assoc Fee Freq.: Yearly
  • Tax Amount: $14,393.71
  • Tax Year: 2025
  • Terms: Cash, Conventional

Disclosures and Reports

  • Legal Description: Lt 139 Port Largo-Key Largo Pb5-3 Or558-557 Or560-1023 Or795-373 Or825-1828 Or995-248 Or1454-234 Or1598-90 Or1651-2119 O
  • Flood Zone: AE
  • APN: 452700000000

Listed by American Caribbean Real Estate, Christie's International Real Estate, Carlos Lorenzo (786) 251-4823 and American Caribbean Real Estate, Christie's International Real Estate, Shelby Morris (305) 393-3686

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Listing agents

— 139 Marina Ave —

  • Carlos Lorenzo

    American Caribbean Real Estate, Christie's International Real Estate

  • Shelby Morris

    American Caribbean Real Estate, Christie's International Real Estate

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 139 Marina Ave

School District:Monroe County School District, Middle Torch Key, FL
NameGradesDistance
Key Largo School
104801 Overseas Highway, Key Largo, FL 33037
PK-85.3 mi
Coral Shores High School
89901 Old Highway, Tavernier, FL 33070
9-129.2 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 139 Marina Ave Get Price Alerts and Save Property

Date
Details
Price
Change
Source
6/26/2026
Listed
$2,750,000
51.93%
MLS
3/22/2022
Sold
$1,810,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 139 Marina Ave

Year
Property Taxes
Change
Tax Assessment
Change
2025
$14,394
5%
$1,630,097
3%
2024
$13,733
3%
$1,584,157
3%
2023
$13,278
88%
$1,538,017
106%
2021
$7,076
-6%
$748,230
-20%
2022
$7,491
6%
$930,146
20%
2021
$7,076
-5%
$777,454
-1%
2019
$7,450
—
$787,309
1%
2018
$7,473
3%
$775,796
1%
2017
$7,234
—
$768,514
3%
2016
$7,259
1%
$744,685
3%
2015
$7,189
—
$721,707
3%
2014
$7,191
—
$700,256
2%
2013
$7,215
—
$685,153
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 139 Marina Ave

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Listed by American Caribbean Real Estate, Christie's International Real Estate, Carlos Lorenzo (786) 251-4823 and American Caribbean Real Estate, Christie's International Real Estate, Shelby Morris (305) 393-3686

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139 Marina Avenue, Key Largo, FL 33037 (MLS# 620421) is a Single Family property with 4 bedrooms, 4 full bathrooms and 2 partial bathrooms. 139 Marina Avenue is currently listed for $2,750,000 and was received on June 26, 2026. Want to learn more about 139 Marina Avenue? Do you have questions about finding other Single Family real estate for sale in Key Largo? You can browse all Key Largo real estate or contact a Coldwell Banker agent to request more information.

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