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$1,100,000 Just Listed
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Property Description
ROGO ALLOCATION AWARDED "¢ APPROVED BUILDING PLANS "¢ DIRECT BAY ACCESS! Exceptional opportunity to build your dream waterfront home in the desirable Sunset Waterways subdivision of Key Largo! This 6,000 sq. ft. waterfront lot offers 60 feet of waterfrontage with direct Bay access and the significant advantage of an awarded Monroe County ROGO allocation. Approved building plans are included, with U.S. Army Corps of Engineers and Florida DEP approvals pending payment of required mitigation fees which seller will satisfy, offering buyers a tremendous head start toward building their Florida Keys retreat. The current owner is a licensed architect and can modify the existing plans to accommodate a buyer's preferences for a reasonable fee, subject to applicable approvals and ROGO requirements. Located in an established waterfront community with excellent boating access, this property presents a rare opportunity to acquire a waterfront homesite with substantial planning and permitting already completed. Bring your vision to life and enjoy the ultimate Florida Keys waterfront lifestyle!
Full Property Details
Full Property Details for 21 Harbor Dr
General
- Price: $1,100,000
- Taxes: $2,806 (2025)
- Status: Active
- Type: Residential Lots
- Source: Greater_Miami
- MLS ID: A12104841
- Updated: 10/16/2026
- Added to Site: 5 day(s) ago
Location
- Area: Sunset Waterways
- County: Monroe County
- Subdivision: SUNSET WATERWAYS
- Building Name: SUNSET WATERWAYS
- Direction Faces: East
Community
- Community Name: Sunset Waterways
Utilities
- Utility Description: Electricity Available
Structural Information
- Structure Type: Residential
- Detached/Attached: Detached
- Current Bldg. Use: Residential, Other Usage
Additional Structures
- Other Structures: None
Lot Features
- Property View: Canal View
- Lot Size (Acres): 0.138
- Lot Size (Sq. Ft.): 6,000
- Frontage Feet: 60
- Street/Road Desc.: Paved Road, Paved
- Lot Features: Less Than 1/4 Acre Lot, Build To Suit, No Misc/Improvements, Street Lights
- Development Status: Undeveloped
- Trees/Vegetation: Brazilian Pepper, Mangroves
- Zoning: IS
Water Features
- Water Front: Yes
- Water View: Yes
- Water Front Desc.: Canal Front
Financial Considerations
- Tax Amount: $2,806
- Tax Year: 2025
- Terms: All Cash, FHA, Owner Will Carry
Disclosures and Reports
- Documents Avail.: Environmental Impact Study
- Legal Description: BK 3 LT 10 SUNSET WATERWAYS PB4-31 KEY LARGO OR537-797 OR813-1262 OR894-921 OR1595-2421 OR3297-0278
- Inclusions: Unrestricted Salt Water Access
- Property ID: 00530060-000000
Listed by The Listing Office, LLC.
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Schools
Schools serving 21 Harbor Dr
School District:Monroe County School District, Middle Torch Key, FL
| Name | Grades | Distance |
|---|---|---|
Key Largo School 104801 Overseas Highway, Key Largo, FL 33037 | PK-8 | 4.1 mi |
Coral Shores High School 89901 Old Highway, Tavernier, FL 33070 | 9-12 | 10.4 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 21 Harbor Dr
Date
Details
Price
Change
Source
10/11/2026
Listed
$1,100,000
214.29%
MLS
10/11/2024
Sold
$350,000
—
Public Record
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 21 Harbor Dr
Year
Property Taxes
Change
Tax Assessment
Change
2024
$2,051
—
$348,840
-30%
2024
$2,051
—
$497,610
—
2023
$2,041
97%
$497,610
231%
2021
$1,038
-44%
$150,480
-66%
2022
$1,851
78%
$437,760
156%
2021
$1,038
-2%
$171,000
273%
2019
$1,064
56%
$45,836
10%
2018
$684
2%
$41,669
-22%
2017
$670
-1%
$53,280
-1%
2016
$675
3%
$54,010
73%
2015
$658
-2%
$31,307
10%
2014
$669
13%
$28,461
10%
2013
$592
—
$25,874
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 21 Harbor Dr
21 Harbor Dr, Key Largo, FL 33037 (MLS# A12104841) is a Residential Lots property with a lot size of 0.138 acres. 21 Harbor Dr is currently listed for $1,100,000 and was received on October 11, 2026. Want to learn more about 21 Harbor Dr? Do you have questions about finding other Residential Lots real estate for sale in Key Largo? You can browse all Key Largo real estate or contact a Coldwell Banker agent to request more information.

