855.375.4001
Listing Courtesy of: KELLY SHAW PA - American Caribbean Real Estate, Christie's International Real Estate 305-664-4966
$5,450,000 affordable loan icon Calculate Payment

Main Key, Barnes Sound Key Largo, FL 33037

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... Bed/Bath
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Last updated on 2/20/2026 2:55 AM
MAIN KEY is a 145.5-acre, private island, with pristine, white sandy beaches located in Barnes Sound, Ocean Reef area, in Monroe County, The Florida Keys. There is approximately 12 acres of upland elevation where a structure could be built and an active dock and lift permit to build on the East of t...he SE beach, from the Government Lot, with plans for a 295' long dock with a 20 ft platform for a lift and a 30' boat slip. A 2nd dock permit is being applied for on the South side of Main Key, which will be 135 feet with a 30 to 40 ft platform and seven heavy pilings to moor a large vessel or work barge up to 100 feet in length. There was a house built on the island at one time. ''The Tides of Main Key'' is well known in South Florida in Marine Weather forecasts on TV, Radio, NOAA weather, or online for tides in the Upper Keys and Key Largo. The tide station at Main Key was established in the 1930's and is still reported in the tide forecasts. Before online and smartphones, ''The tides at Main Key in Barnes Sound'' was a frequently reported tide station for the western bay waters of North Key Largo and is still reported online for projected tides as one of the official tide stations to this day. Continue reading
MLS#
616391
Property Type
Land
Lot Size
145.5

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Listing Courtesy of: KELLY SHAW PA - American Caribbean Real Estate, Christie's International Real Estate 305-664-4966
Andrea D. Conner, License # BK3437731, Xome Inc., License CQ1043756, [email protected], 844-400-XOME, 750 State Highway 121 Bypass, Suite 100, Lewisville, TX 75067

The data relating to the real estate for sale on this web site comes in part from the Internet Data Exchange Program of the Florida Keys Board of Realtors® Florida Keys MLS, Inc. Real Estate listings held by brokerage firms other than the owner of this site are marked with the MLS logo and detailed information about them includes the name of the listing broker's office. Information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that data is deemed reliable but is not guaranteed accurate.

This content last refreshed on 2/20/2026 2:55 AM. Some properties which appear for sale on this web site may subsequently have sold or may no longer be available.
Information is deemed reliable but is not guaranteed.
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