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25 photos
+20
57783 Morton Street
Marathon, FL, 33050
Active$29,500,000
57783 Morton Street
Marathon, FL, 33050
Active$29,500,000
10
Bedrooms
13
Bathrooms
8,648 sqft
Living Area
2025
Year Built
Marathon, FL, 33050
Active$29,500,000
Marathon, FL, 33050
Active$29,500,000
10
Bedrooms
13
Bathrooms
8,648 sqft
Living Area
2025
Year Built
133,880
Lot Size (sqft)
56
Days on Market
AI Photo Analysis
AI analysis is based on listing photos and may not reflect current conditions. This information was not provided by the MLS or listing broker. Always verify dock infrastructure with the listing agent.
Data sources: SFWMD AHED waterway polygons · FHWA National Bridge Inventory 2024 · Not provided by the MLS or listing broker.
A Private Waterfront Estate at The Edge of the Gulf of America. Set on 3 secluded acres+/- along one of the most protected stretches of the Gulf of America, 57783 Morton Street is a newly completed estate of rare scale, privacy, and modern coastal design. Surrounded by water, sandscape, and tidal ponds alive with marine life, the property offers more than 200’+/- of direct water frontage and uninterrupted views across the open Gulf. Completed in 2025 by builder and developer Alderuccio Corporation, this resilient, elevated retreat is constructed entirely of concrete and impact glass and is designed for effortless indoor–outdoor living. With three distinct finished living spaces totaling approximately 10,000 SF+/-, the estate functions as a private resort offering privacy, recreation, and exceptional access to the best of the Florida Keys.
See the property and tour the dock. A licensed waterfront specialist will arrange your private showing.
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Marathon, FL, 33050
Estimate your monthly payment for this waterfront property
$5,900,000 down
Estimated payments only. Actual rates and terms may vary.
Listing courtesy of Bespoke Real Estate Florida LLC
Last updated: 5/1/2026
© 2026 Miami Association of REALTORS®, Inc. All rights reserved. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of the Miami Association of REALTORS®. Information is deemed reliable but not guaranteed. All properties are subject to prior sale, change, or withdrawal.
IDX information is provided exclusively for consumers' personal, non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Dock Score™
What shaped this score
Dock Score is a DockOnly.com rating. Not provided by or affiliated with the MLS or listing broker. This information was not provided by the MLS.
Nearest Bridge Clearances
Florida Keys — critical for tall/large vessels
