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139 Marina Avenue, Key Largo, FL - photo 1

$2,750,000

139 Marina Avenue

Key Largo, FL 33037

Estimated payment $14,480/month

HOA not listed, not included · estimated tax · estimated insurance · 20% down, 6.5%, 30 yr

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4Beds
6Baths
2,485Sq Ft
$1107Price/Sq Ft

Preferred partner

Kinsfolk Realty

Kinsfolk Signature Realty

Powered by Hometrino

(813) 602-0498

Highlights

Built in 1980
9,147 sqft Lot

About This Home

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 decor 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.

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Facts & features

Bedrooms & bathrooms

  • •Bedrooms:4
  • •Bathrooms:6 (4 full, 2 half)
  • •Full bathrooms:4
  • •Half bathrooms:2

Heating

  • •Has Heating:Yes

Interior area

  • •Total structure area:2,485 sqft
  • •Total interior livable area:2,485 sqft

Parking

  • •Parking features:N/A
  • •Garage spaces:0
  • •Has attached garage:No

Lot

  • •Size:9,147 sqft

Details

  • •Parcel number:N/A

Type & style

  • •Home type:Single Family Residence
  • •Property subtype:Residential

Materials

  • • N/A

Condition

  • •Year built:1980

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Price history

DateEventPrice
10/30/2026Listed for sale$2,750,000$1107/sqft

Listing Agent

Carlos Lorenzo

American Caribbean Real Estate, Christie's International Real Estate

Brokerage Phone: 305-451-4078

Source: Florida Keys MLS · MLS #620421

Data Powered by Home Junction, Inc.

Nearby

Schools

OCEAN STUDIES CHARTER

Elementary · 0.8 mi

Supermarkets

Gordon Restaurant Market

0.5 mi

The Greeen House

0.6 mi

Publics

0.8 mi

Dining

Tavernier Towne Cinemas

0.1 mi

Rib Daddys

0.4 mi

Pilot House Restaurant & Marina

0.4 mi

Parks

Key Largo Community Park

0.4 mi

Friendship Park

1.6 mi

Beaches

North Beach

1.8 mi

South Beach

1.9 mi

Cannon Beach

3.1 mi

Nearby amenity locations include data © OpenStreetMap contributors.