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259 Saint Thomas Avenue

Key Largo, FL, 33037

Active

$5,200,000

6

Bedrooms

8

Bathrooms

5,400 sqft

Living Area

2026

Year Built

11,078

Lot Size (sqft)

0

Days on Market

Dock & Water AccessMLS

Canal Front

AI Aerial Imagery Detection

Seawall Detected

Detected by AI from open-source aerial mapping imagery 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.

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.

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Location

Key Largo, FL, 33037

No price history available for this property.

Displayed by Blue Mar Real Estate Group Inc., Licensed Florida Real Estate Broker (DBPR CQ1018554) · [email protected]

Listing courtesy of Golden International Realty via Florida Keys MLS

Last checked: 10 hours ago

Listing updated: October 21, 2026

© 2026 Florida Keys Board 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 (IDX) program of the Florida Keys Board of REALTORS®. Information is deemed reliable but not guaranteed and should be independently verified. 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.

Nearest Bridge Clearances

Florida Keys, critical for tall/large vessels

No bridge data available for this location.
FEMA Flood Zone AE
BFE: 7ft

Special Flood Hazard Area

View FEMA Flood Map →

Mortgage Calculator

Estimate your monthly payment for this waterfront property

20%

$1,040,000 down

%
Principal & Interest$26,982/mo
Property Tax (est. ~1.2%, varies by county)$5,200/mo
Home Insurance (est.)$250/mo
Total Monthly Payment$32,432
Loan Amount: $4,160,000Rate: 6.75%
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$5,200,000Tour the dockSchedule a Showing