Residential

259 Saint Thomas Avenue, Key Largo

$5,200,000.00

Bedroom 6 bedrooms
Bathroom 8 baths

  • MLS #: 621737
  • Address: 259 Saint Thomas Avenue, Key Largo, FL 33037
  • Date Listed: 10/21/2026
  • Days on Market: 0
  • SQFT: 5400
  • Acres: 0.25
  • Restrictions: No
  • Subdivision: Port Largo (100.0)

Location Location

Agent Comments Agent Comments
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.

Amenities Amenities
  • Stainless Steel Appliance(s)
  • Dishwasher
  • Microwave
  • Oven
  • Refrigerator

Interior Features Interior Features
  • Cool System: Central Air, Ceiling Fans(s)
  • Floors: Tile
  • Rooms: Laundry Room
  • Interior: Walk-in Closet(s), Built-in Cabinets, Pantry

Exterior Features Exterior Features
  • Pool: Yes
  • Exterior: Lighting, Fencing, Gazebo

Additional Features Additional Features
  • County: Monroe
  • Property Type: Single Family Residence
  • Tax Number: 00453473-000200
  • Waterfront Features: Canal Front
  • Water/Sewer: Cistern, Solar Power
  • Stories: 2 Stories
  • Year Built: 2026