259 St Thomas Ave

5,400 Sq. Ft.
$1,037 / Sq. Ft.
5,400
Sq. Ft.
$1,037
per Sq. Ft.

Description

Pictures coming soon. Brand-new waterfront construction featuring 6 bedrooms and 8 bathrooms with a modern design. This residence offers high-quality finishes throughout, including a chef's kitchen with premium Sub-Zero appliances. Built with efficiency and durability in mind, the home includes a metal roof, solar panels, and a water cistern system. Outdoor amenities include a resort-style pool, expansive covered entertaining areas, a 55-foot dock, and a tackle room--ideal for boating and waterfront...Pictures coming soon. Brand-new waterfront construction featuring 6 bedrooms and 8 bathrooms with a modern design. This residence offers high-quality finishes throughout, including a chef's kitchen with premium Sub-Zero appliances. Built with efficiency and durability in mind, the home includes a metal roof, solar panels, and a water cistern system. Outdoor amenities include a resort-style pool, expansive covered entertaining areas, a 55-foot dock, and a tackle room--ideal for boating and waterfront living. A rare opportunity to own a luxury new construction combining modern design, high-end materials, and eco-conscious features.
  1. Listed by Merlin Perez • Golden International Realty

Property Details for 259 St Thomas Avenue

Waterfront
Canal Front
Waterfront
Yes
Zoning
OTH - Other Zoning
Subdivision
Port Largo (100.0)
Vehicle Storage
Garage
Pets
Pets Allowed
LISTING UPDATED: 02/09/2026 04:20 PM

Property Details for 259 St Thomas Avenue

StatusActive
MLS #618563
Days on Market1
Taxes$7,831 / year
HOA Fees-
Condo/Co-op Fees-
Compass TypeSingle Family
MLS TypeResidential / Single Family
Year Built2026
Lot Size0.25 AC / 11,078 SF
CountyMonroe County

Location

Listing Courtesy of Golden International Realty
Add your commute

Building Information for 259 St Thomas Avenue

Stories-Year Built2026Building Size-Lot Size0.25 AC / 11,078 SF

Payment Calculator

$27,946 per month

30 year fixed, 6.15% Interest

Principal and Interest

$27,293

Property Taxes

$653

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

Property Information for 259 St Thomas Avenue

Summary
Location and General Information
  • Waterview: Canal View
  • Area: 27 - Key Largo MM 97-107
  • Absolute Longitude: 80.43655
  • Control Depth: 6
  • Off Shore Island: No
  • Listing Board: Florida Keys
  • Side: Ocean
  • Mile Marker: 100.0
  • Marathon Neighborhood: N/A
  • Key/Island: Key Largo
Taxes and HOA Information
  • Association Info: Mandatory Home Owners Asc: No
  • Association Info: 1st Right of Refusal: No
  • Fee Includes: None
  • Furnished: Unfurnished
  • Tax Year: 2025
  • Tax Exemptions: None
Property
Lot Information
  • Lot Size: X
  • Acres: 0.25
  • Parcel #: 00453473-000200
  • Land Size: 1/4 - 1/2 Acre
Property and Assessments
  • Legal: LT 259 PORT LARGO THIRD ADDITION KEY LARGO PB6-58 OR496-967 OR1637-1212 OR1819-742AFF OR1819-762 OR3175-1907
  • MLS Approved: Y
  • SqFt Source: Builder/Architect
  • Flood Zone: AE,AE
  • Rentals Allowed: With Restrictions
  • Deed Restrictions: Unknown
  • Picture Count: 5
  • Document Count: 0
  • Building Style: Above Flood: No
  • Property Condition: New Construction
Utilities
  • Utilities: Cistern, Municipal Sewer
  • Pub Sewer HkUp: Yes
  • Pool: Yes
  • GF-Utilities: Solar Panels, Cistern
  • Pool Info: In Ground
  • Porch/Balcony: Deck
Interior and Exterior Features
Interior Features
  • Floor: Tile
  • Interior Features: Pantry, Walk-in Closet(s)
  • Appliances: Dishwasher, Microwave, Oven, Refrigerator
Exterior Features
  • Roof: Metal Roof
  • Dockage: Dock Length: 55
  • Dockage: Dock: Concrete
  • Construction: Concrete
  • Exterior Features: Fencing, Lighting
  • Windows/Doors: Sliding Glass Doors, Impact Rstnce Window, Impact Rstnce Doors
Room Information
  • Specialty Rooms: Other

Property History for 259 St Thomas Avenue

DateEvent & SourcePriceAppreciation
Feb 9, 2026

Listed (Active)

FKMLS #618563

$5,600,000
Oct 1, 2002

Sold (Public Record)

Public Record #103741331

$200,000
Jun 7, 2000

Sold

FKMLS #409200

$250,000
Apr 14, 2000

Pending

FKMLS #409200

Feb 10, 1998

Listed (Active)

FKMLS #409200

$140,000
DateEvent & SourcePrice
02/09/2026

Listed (Active)

FKMLS #618563

$5,600,000
10/01/2002

Sold (Public Record)

Public Record #103741331

$200,000
06/07/2000

Sold

FKMLS #409200

$250,000
04/14/2000

Pending

FKMLS #409200

02/10/1998

Listed (Active)

FKMLS #409200

$140,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 259 St Thomas Avenue

Taxable ValueLand$990,290Additions$881Total$991,171
Tax Record2024$7,076 ($590 / month)
Home Facts
Beds0Lot Size11,078 SqFtStyleResidentialCountyMONROEAPN00453473-000200

Schools near 259 St Thomas Avenue

This home is within Monroe.
Rating
School
Type
Grades
Distance
Public - PK to 8
Public - 9 to 12
Charter - K to 8
Public - 6 to 12
Rating
School
Distance
Key Largo School
PublicPK to 8

Coral Shores High School
Public9 to 12

Ocean Studies Charter
CharterK to 8

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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259 St Thomas Avenue is a single family home for sale in Key Largo, FL 33037. This listing's school district is Monroe. Nearby schools include Key Largo School, Coral Shores High School and Ocean Studies Charter. 259 St Thomas Avenue is a 6-bed, 8-bath, 5,400 sqft single family home built in 2026.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity. Subject to change at any time. Compass makes no guarantee, warranty or representation regarding the accuracy of any waterfront feature, water view or waterfront view.

Listing Courtesy of Golden International Realty

Based on information from one of the following Multiple Listing Services: Beaches Multiple Listing Service, Inc., Martin County REALTORS® of the Treasure Coast, Inc., Miami Association of REALTORS®. Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by Beaches Multiple Listing Service, Inc., Martin County REALTORS® of the Treasure Coast, Inc., Miami Association of REALTORS® is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.