New Listing
$5,200,000 $27,915 est/mo Sourced by Back At You
259 Saint Thomas Avenue,KEY LARGO, FL 33037
KEY LARGO, FL 33037
Description
Stunning brand-new waterfront estate offering 6 bedrooms and 8 bathrooms with modern designs and luxury finishes throughout. The gourmet kitchen features premium Sub-Zero appliances and flows seamlessly into spacious living and entertaining areas. Built for long-term durability with a metal roof, solar panels, and a water cistern system. Enjoy resort-style outdoor living with a custom pool, covered lounge areas, and a 55-foot private dock with a garage and tackle room, perfect for boaters and fishing enthusiasts. Experience the best of modern waterfront living in Key Largo. House is completely fenced not shown on pictures because all fencing is new.
Details
| MLS # | 621737 |
|---|---|
| Listing Type | For Sale |
| Style | House |
| Sub-Type | Resale |
| Status | Active |
| Year | 2026 |
| Days On Site | 5 |
| Listing Provided By | Golden International Realty | Merlin Perez |
Features
| Bed(s) | 6 |
|---|---|
| Bath(s) | 8 Total |
| SQ Feet | 5,400 |
| Pool | Yes |
| Zoning | IS - Improved Subivision Distric |
| Acreage | 0.25 |
| Water Front | Yes |
| Property View | Canal |
Taxes
| Property | 7831 |
|---|
Area Information
| State | FL |
|---|---|
| County | Monroe |
| City | KEY LARGO |
| Zip Code | 33037 |
| Area | 27 Key Largo MM 97 107 |
| Community Name | Port Largo (100.0) |
| Listing VS Median (in Port Largo (100.0)) | |
Price: $5,200,000 low | high Med: $2,750,000 sqft: 5,400 low | high Med: 2,485 $ / sqft: $963 low | high Med: $1,107 On site: 5 low | high Med: 122 | |
Market Activity 33037
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MLS Internet Data Exchange (IDX) information is provided exclusively for consumers’ personal, non-commercial use and 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 Florida Keys Board of Realtors.
The data relating to real estate for sale on this web site come s in part from the Internet Data Exchange program of the Marathon and Lower Keys Association of REALTORS®, Inc. MLS. Real Estate listings held by brokerage firms other than Key Colony Beach Realty, Inc. are marked with the MLS logo and detailed information about them includes the name of the listing broker’s office.
The data relating to real estate for sale on this web site come s in part from the Internet Data Exchange program of the Marathon and Lower Keys Association of REALTORS®, Inc. MLS. Real Estate listings held by brokerage firms other than Key Colony Beach Realty, Inc. are marked with the MLS logo and detailed information about them includes the name of the listing broker’s office.
Contact
Learn More About This Property
| State | FL |
|---|---|
| County | Monroe |
| City | KEY LARGO |
| Zip Code | 33037 |
| Area | 27 Key Largo MM 97 107 |
| Community Name | Port Largo (100.0) |
| Listing VS Median (in Port Largo (100.0)) | |
Price: $5,200,000 low | high Med: $2,750,000 sqft: 5,400 low | high Med: 2,485 $ / sqft: $963 low | high Med: $1,107 On site: 5 low | high Med: 122 | |
Nearby Listings (Within 1/10 mile)
Price: $3.9M - $6.5M
sqft: 4,000 - 6,500
 | $5,500,000258 Caribbean DriveKey Largo, FL 33037 |
Listing Updated: October 21, 2026 at 2:51:57 PM PDT
MLS Internet Data Exchange (IDX) information is provided exclusively for consumers’ personal, non-commercial use and 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 Florida Keys Board of Realtors.
The data relating to real estate for sale on this web site come s in part from the Internet Data Exchange program of the Marathon and Lower Keys Association of REALTORS®, Inc. MLS. Real Estate listings held by brokerage firms other than Key Colony Beach Realty are marked with the MLS logo and detailed information about them includes the name of the listing broker’s office.
The data relating to real estate for sale on this web site come s in part from the Internet Data Exchange program of the Marathon and Lower Keys Association of REALTORS®, Inc. MLS. Real Estate listings held by brokerage firms other than Key Colony Beach Realty are marked with the MLS logo and detailed information about them includes the name of the listing broker’s office.
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