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Main Key, Barnes Sound

Key Largo, FL 33037
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SqFt6,337,980

Sqft(Lot)

MAIN KEY is a 145.5-acre private island with over a mile of pristine white sandy beaches on its east shoreline in Barnes Sound, Monroe County, FL. Its western and southern shoreline of over 4 miles of Mangroves reaching 30 to 50 feet tall provides a rookery that teams with gamefish, shellfish, sea mammals, and tropical birds. All owned by a TIFF Deed. With 12 upland acres, a substantial structure could be built with no ROGO requirements. In the 1930's and 40's, there were 3 large structures on the SE Government Lot area. A new dock permit with lift, platform, and mooring slip exists for the SE beach off the old homesite. An additional second permit is being applied for the south side of Main Key that will be 135 ft with a 40 ft platform and seven heavy pilings to moor a large vessel of up to 100 ft in length. A tide station was established by the USGS, later NOAA in the 1930's. 'The Tides at Main Key' was well known in Marine Weather forecasts on South Florida TV and NOAA Weather Radio for the Upper Keys and Florida Bay. Please contact the listing agents for more detailed information and documentation.

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Detail Ic Property Details

Property Type : Vacant Land

Price : $4,395,000

AD Id : 66862729

MLS Id : 616391

Lot Size : 6,337,980 Sqft(Lot)

County : Monroe

Subdivision: Ocean Reef Club (905.0)

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Feature Features

  • Heating & Cooling

    Water Front: Yes

  • Building Information

    Total Units: 2.00 Floor Location: 6337980

  • Lot Information

    Lot Dimensions: 145.5 Acres Lot SqFt: 6,337,980 See Documents Tab
  • Property Information

    Subdivision: Ocean Reef Club (905.0)

  • Listing Price Information

    List Price: $4,395,000

  • Tax Information

    Taxes: $97 Tax Year: 2024 Parcel Number: 00091640-000000
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Nearby Home Value

Address Estimate Bed Bath Sq. Ft Lot Size
325 Calusa St, Key Largo, FL, 33037 $390,000 -- -- -- 1,750 Sqft(Lot)
721 Garden State Ln, Key Largo, FL, 33037 $750,000 -- -- -- 4,000 Sqft(Lot)
21 Judy Pl, Key Largo, FL, 33037 $375,000 -- -- -- 6,000 Sqft(Lot)
2 Janet Pl, Key Largo, FL, 33037 $350,000 -- -- -- 5,000 Sqft(Lot)
325 Calusa St 376, Key Largo, FL, 33037 $335,000 -- -- -- 1,742 Sqft(Lot)
325 Calusa St Lot 78, Key Largo, FL, 33037 $355,000 -- -- -- 1,750 Sqft(Lot)
325 Calusa St Lot 333, Key Largo, FL, 33037 $335,000 -- -- -- 1,577 Sqft(Lot)
Land, Key Largo, FL, 33037 $975,000 -- -- -- Acres (Lot)--
1032 Snapper Ln, Key Largo, FL, 33037 $250,000 -- -- -- 6,720 Sqft(Lot)
Seaside Ave, Key Largo, FL, 33037 $285,000 -- -- -- 6,250 Sqft(Lot)

ByOwner last updated this listing 06/07/2026 @ 01:27

MLS: 616391 LISTED BY: KELLY K SHAW PA , American Caribbean Real Estate, Christie's International Real Estate 305-664-4966 SOURCE: Florida Keys MLS, Inc.

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