About This Home

This 6-bedroom, 8-bathroom single family at 259 Saint Thomas Avenue in Key Largo, FL is listed for $5,200,000 ($963 per sqft). Built in 2026, the home offers 5,400 sqft of living space on a 0.25 acres lot.

Key Features

  • Built in 2026
  • 0.25 acre lot
  • Private pool
  • Waterfront

Property Details

8 full
2026

Amenities

PoolSolarWaterfrontA/C
Listing 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.

Monthly Cost Estimate

$27,811/mo

20% down · 6.5% · 30 years

Principal$3,761
Interest$22,533
Insurance$1,517

Estimates only. Actual payments may vary.

Location

259 Saint Thomas Avenue

Key Largo, FL 33037

Port Largo (100.0)

Features & Amenities

Interior Features

PantryBuilt-in CabinetsWalk-in Closet(s)

Exterior Features

FencingGazeboLighting

Property Details

Flooring

Tile

Construction

CBS

Pool Features

Pool

Outdoor Features

Porch

Cooling

Central Air

Appliances

DishwasherRefrigeratorOvenMicrowaveStainless Steel Appliance(s)

Questions & Answers

This 6-bedroom, 8-bathroom single family at 259 Saint Thomas Avenue is listed at $5,200,000 ($963/sqft). The estimated monthly payment is $27,811 based on 20% down, a 30-year loan at 6.5% interest, estimated insurance.

Key features include: Built in 2026, 0.25 acre lot, Private pool, Waterfront. Interior Features: Pantry, Built-in Cabinets, Walk-in Closet(s). Exterior Features: Fencing, Gazebo, Lighting.

This property is listed by Merlin Perez.

MP

Merlin Perez

License 3605493

Agent at Golden International Realty

Listed by Golden International Realty · Broker phone: (305) 961-1183 · View on Broker Site

MLS# 621737· Source: Florida Keys Board of REALTORS®· 9 days on PropertySimple

Copyright © 2026 Florida Keys Board of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

259 Saint Thomas Avenue, Key Largo, FL 33037

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