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19657 Seminole Street, Sugarloaf Key, FL 33042

$3,500,000
Property Type: Vacant Land Lot Size (sq. ft.): 32,650 Status: Active
Current Price: $3,500,000 List Date: 5/07/2024 Last Modified: 12/17/2025

Overview

Description

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.

Listing Details MLS# 609881

Location, Tax & Legal

Street #
19657
Street Name
Seminole
Street Suffix
Street
Key/Island
Sugarloaf Key
State/Province
FL
Zip Code
33042
County
Monroe
Subdivision
Indian Mound Estates (19.5)
Area
06 - Bay Point to Sugarloaf
City
Sugarloaf
Off Shore Island
No
Tier
Tier 3
Mile Marker
19.5
Marathon Neighborhood
N/A
Side
Bay/Gulf
Flood Zone
AE
Alternate Key #
1218588
Add'l Parcel #1
00169620-000000
Parcel #
00169590-000000
Add'l Parcel #2
00117370-000000
Zoning
UR - Urban Residential Distrit
Deed Restrictions
Unknown
Legal
BK 6 LT 13 INDIAN MOUND ESTATES PB4-132 SUGARLOAF KEY OR581-452 OR773-1599 OR798-2099 OR1317-473 OR1436-1667/68 OR1619-2
Taxes
419.33
Tax Year
2023

Contract Information

Listing Board
Key West Association
ROGO Exempt
Yes
Limited Representation
Yes
As is Rght to Inspct
Yes
Potential Short Sale
No
Bank Owned
No
Species List
No

General Property Description

Realtor.COM Type
Vacant Land
Waterfront
Yes
Control Depth
8
Lot SqFt
32650
Lot Sqft Source
Property Data Card
Total Lots
3
Survey Available
No

Miscellaneous Info

Mobile Home Lot
No
Rogo W/Letter
Yes

Financial Status

Bank Owned
No
Potential Short Sale
No

More Information

Remarks & Misc

Remarks – Consumer
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.

Assoc/Misc Info

Mandatory Home Owners Asc
No
1st Right of Refusal
No

Dockage

Basin
Yes

Tax Exemptions

None
Yes

Waterfront

Bay Front
Yes
Gulf Front
Yes

Waterview

Bay View
Yes
Open Water View
Yes

Location/Site

Cleared Site
Yes
Mangrove
Yes

Existing Utilities

Electric on Site
Yes

Land Size

1/2 - Less Than 1 AC
Yes

Title

Negotiable
Yes

Property Features

Tax Exemptions: None Waterfront: Bay Front; Gulf Front Dockage: Basin Waterview: Bay View; Open Water View Existing Utilities: Electric on Site Land Size: 1/2 - Less Than 1 AC Title: Negotiable
Listing Office: Engel & Volkers Key West
Last Updated: December - 17 - 2025
The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.