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139 Marina Avenue
Key Largo FL 33037 US

$2,600,000

Active Listing ID 617374
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4 bed
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6.00 Bath (4 Full , 2 Half)
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Lot: 0.22 Acres
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Multi Family

$2,600,000

Active Listing ID 617374
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139 Marina Avenue Discover this unique and versatile canal front property in Port Largo, featuring a remarkable legal duplex with breathtaking ocean views. Each side-by-side townhome includes 2 bedrooms and 2.5 bathrooms, with all bedrooms thoughtfully designed as en-suites for ultimate privacy and comfort. With 75 feet of water-frontage, the property includes a concrete dock equipped with a 20, 000 lbs Neptune boat lift. The wide 80 ft deep-water canal provides direct ocean access, allowing you to be first to the fishing grounds, as you're located on the first channel leading to the world-famous Key Largo waters ideal for boating, fishing, and diving. This concrete fortress has been completely renovated and is located on Marina Ave, just a few homes away from the homeowner's park, allowing you to enjoy daily sunrises from your balconies. Positioned across from a nature preserve, this home ensures tranquility with no front neighbors. Downstairs, you'll find a spacious 760 sq ft storage area and a comfortable Tiki Hut, perfect for outdoor relaxation. Plans for a concrete swimming pool were previously approved. An electric gated entry enhances security, and covered parking adds convenience. Each side has its own separate electric and water meters. Furniture negotiable. This property boasts excellent rental potential and is also perfect for two families looking to share a second home. Owner/Agent.

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Property Features

  • Facts
  • Lot Size: 0.22 Acres
  • Property Type: Residential Multi Family
  • Property Sub-type: Multi Family
  • Features
  • Full Bathrooms: 4
  • 1/2 Bathrooms: 2
  • Exterior Finish: Chickee Hut, Storage, Privacy Wall/Fence, Lighting, Hot Tub
  • Floor Covering: Tile, Vinyl
  • Roof Type: Concrete
  • Additional Features
  • Waterfront

Property

  • propertytype: Residential Multi Family
  • propertysubtype: Multi Family
  • listprice: 2600000
  • unparsedaddress: 139 Marina Avenue
  • postalcity: Key Largo
  • stateorprovince: FL
  • country: US
  • postalcode: 33037
  • bathroomsfull: 4
  • bathroomshalf: 2
  • bathroomsonequarter: 0
  • bathroomsthreequarter: 0
  • lotsizeacres: 0.22
  • lotsizeunits: Acres
  • lotsizearea: 0.22
  • livingarea: 2485
  • livingareaunits: Square Feet
  • latitude: 25.089675
  • longitude: -80.433859
  • listagentfullname: Carlos Lorenzo
  • listagentemail: carlos@carloslorenzore.com
  • listagentkey: 3yd-FLKEYSMLSFL-20200807155944388855000000
  • listagentmlsid: 20200807155944388855000000
  • listagentpreferredphone: 7862514823
  • listagentofficephone: 3054514078
  • listofficekey: 3yd-FLKEYSMLSFL-20060624040344724753000000
  • listagentstatelicense: 634298
  • listofficemlsid: 20060624040344724753000000
  • disclaimer: Copyright © 2026 Florida Keys Board of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
  • sourcesystemid: FLKEYSMLSFL
  • yearbuilt: 1980
  • listagenturl: http://www.carloslorenzore.com
  • countyorparish: Monroe
  • parcelnumber: 00452700-000000
  • appliances: Dishwasher, Dryer, Garbage Disposer, Microwave, Range, Refrigerator, Washer
  • flooring: Tile, Vinyl
  • numberofunitstotal: 0
  • fireplaceyn: False
  • transactiontype: ForSale
  • storiestotal: 3
  • parkingtotal: 0
  • parkingfeatures: Covered, Open
  • roof: Concrete
  • view: Ocean
  • waterfrontyn: True
  • interiorfeatures: Smoke Alarms, Brazilian Quartzite Countertops, Quartz Countertops, Storage
  • exteriorfeatures: Chickee Hut, Storage, Privacy Wall/Fence, Lighting, Hot Tub
  • waterfrontfeatures: Canal Front, Waterfront
  • architecturalstyle: Other
  • rooms: Bathroom 1, Bathroom 2, Bathroom 3, Bathroom 4, Bathroom 5, Bedroom 1, Bedroom 2, Bedroom 3, Bedroom 4
  • otherstructures: Storage
  • dock: False
  • poolprivateyn: False
  • spayn: True
  • fencing: Fenced, Privacy
  • internetaddressdisplayyn: True
  • internetautomatedvaluationdisplayyn: True
  • internetconsumercommentyn: True
  • location: -80.43386, 25.089676
  • customfields: {"AdditionalInformation":{}, "AlternatePrices":[], "BrokerName":"American Caribbean Real Estate", "BuilderEmail":null, "BuilderFax":null, "BuilderPhone":null, "City":null, "Country":null, "Expenses":[{"ExpenseCategory":"Home Owner Assessments Fee", "ExpenseFrequency":"Annually", "ExpenseValue":300}], "GeocodeOptions":null, "LeadRoutingEmail":"carlos@carloslorenzore.com", "ListBrokerageCity":"Key Largo", "ListBrokerageCountry":"US", "ListBrokerageEmail":"joy@joycmartin.com", "ListBrokerageLogoUrl":"http://brokerlogos.listhub.net/FLKEYSMLSFL/daf00f91847511df917b00219b9aa4d8/20150605175404445.png", "ListBrokerageName":"American Caribbean Real Estate", "ListBrokeragePhone":"(305) 451-4078", "ListBrokeragePostalCode":"33037", "ListBrokerageStateOrProvince":"FL", "ListBrokerageUnitNumber":"PO Box 600", "ListBrokerageUnparsedAddress":"99900 Overseas Highway", "ListBrokerageWebsiteUrl":"http://www.americancaribbean.com/", "ListOfficeAddress1":"99900 Overseas Hwy", "ListOfficeAddress2":null, "ListOfficeBrokerMlsId":"20060624040512063493000000", "ListOfficeCity":"Key Largo", "ListOfficeCountry":"US", "ListOfficeEmail":"maggie@maggiegarciare.com", "ListOfficePostalCode":"33037", "ListOfficeStateOrProvince":"FL", "ListPriceCurrencyType":"USD", "ListingTitle":"Multi-family - Key Largo, FL", "ListingURL":"https://www.realtor.com/realestateandhomes-detail/139-Marina-Ave_Key-Largo_FL_33037_M67201-64576?f=listhub&s=FLKEYSMLSFL&m=617374&c=rexren", "MLSModificationTimestamp":"2026-02-27T08:11:41Z", "Neighborhoods":[{"Description":null, "Name":"27 - Key Largo MM 97-107"}], "PostalCode":null, "RawPropertySubType":"Multi-family", "RawPropertyType":"Residential", "RoomCount":null, "StateOrProvince":null, "Taxes":[{"TaxAnnualAmount":13732.57, "TaxDescription":null, "TaxYear":"2024"}], "UnitNumber":null, "UnparsedAddress":null}
Listing Changed: 2/27/2026 5:00:43 PM GMT
Source Updated Date: 2/28/2026 6:52:00 PM GMT

Courtesy of: Carlos Lorenzo, American Caribbean Real Estate, Christie's International Real Estate, carlos@carloslorenzore.com

Copyright © 2026 Florida Keys Board of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.