19657 Seminole St, Sugarloaf Key, FL 33042
View property features, location on map, relevant school information and overview from seller's agent.
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Overview
Unique Waterfront Property with Opportunity to Build Your Dream Mansion
Welcome to your once-in-a-lifetime opportunity to own a truly exceptional waterfront property in the Florida Keys. This expansive property boasts a total of 3 lots ensuring unparalleled potential for building your waterfront mansion.
Property comes with build back letter. There's not another property like this south of Marathon, offering exclusivity and privacy in a coveted location. This property will only be sold together, providing the opportunity to create your waterfront oasis with all the amenities you desire. The possibilities are endless for creating the ultimate retreat. The dock runs through a tunnel in the mangroves, opening up to a deep-water dock and the most amazing ocean views in the Keys. The main property is a vast open lot with mangroves protecting the property from storms, ensuring both security and serenity.
Location
Full feature list
Basic info
- Property type
- Other residential
- Lot size (acres)
- 0.75
Exterior features
- Water view
- Yes
- Dock
- Yes
Taxes
- Tax Annual Amount (2023)
- $419.33
Public schools
Disclaimer: Certain information displayed on this listing has been derived from parties other than Final Offer, LLC. Information provided and their sources have been deemed reliable, but accuracy of information is not guaranteed and therefore should be independently verified.
Sourced from: Florida Keys Board of Realtors MLS MLS®#: 609881 Last checked: …

IDX 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 the data is deemed reliable but is not guaranteed accurate by the MLS. Copyright 2026 Florida Keys Board of REALTORS®, Inc.