New Construction
$33,500,000

57783 Morton St, Marathon FL 33050

10  beds
12  baths
8,648  sqft
Single Family Residence
Built in 2025
133,880 Square Feet lot
$3,874/sqft
14 days on market

About this property

A Private Waterfront Estate at The Edge of the Gulf of America. Set on 3 secluded acres+/- along one of the most protected stretches of the Gulf of America, 57783 Morton Street is a newly completed estate of rare scale, privacy, and modern coastal design. Surrounded by water, sandscape, and tidal ponds alive with marine life, the property offers more than 200’+/- of direct water frontage and uninterrupted views across the open Gulf. Completed in 2025 by builder and developer Alderuccio Corporation, this resilient, elevated retreat is constructed entirely of concrete and impact glass and is designed for effortless indoor–outdoor living. With three distinct finished living spaces totaling approximately 10,000 SF+/-, the estate functions as a private resort offering privacy, recreation, and exceptional access to the best of the Florida Keys.

Interior Details

Bedrooms & bathrooms

  • Bedrooms: 10
  • Bathrooms: 12
  • Full bathrooms: 11

Heating & cooling

  • Heating: Central, Electric, Solar
  • Cooling: Central Air, Electric, Zoned
  • Laundry: Utility Room/Laundry

Features

  • Door Features: High Impact Doors

Extras

  • Appliances: Ice Maker, Other Equipment/Appliances, Refrigerator
  • Video & virtual tour: View Virtual Tour

Property Details

Parking

  • Garage spaces: 10
  • Parking features: Additional Spaces Available, Driveway, Rv/Boat Parking

Features

  • Exterior features: Built-In Grill, Lighting, Open Balcony, Outdoor Shower
  • Has water view: Yes
  • Waterfront features: Ocean Access, Navigable Water, Seawall

Public Info

  • Lot Size: 133,880 Square Feet
  • Interior Livable Area: 8,648 sqft
  • Year Built: 2025
  • APN: 00375000-000000
  • County: Monroe County

Tax Information

  • Annual Tax Amount: $33,508
  • Tax Year: 2025

Price History

12/19/2025 Listed for Sale
Source: Miami REALTORS®
$33,500,000
$3,873/sqft

Estimated Monthly Payment

Customize assumptions below to estimate your monthly cost.

Est.
$187,783
Principal & Interest $173,824
Property Taxes $2,792
Home Insurance $11,167
HOA Fees $0

Walk Score

Walk Score
4
Walk Score®
Car-Dependent
Transit Score
0
Transit Score®
Full Walk Score
Bike Score
41
Bike Score®
Somewhat Bikeable
Kevin McCarthy
Kevin McCarthy
Broker & Executive Director of Luxury Sales






    By proceeding, you consent to receive calls and texts at the number you provided, including marketing by autodialer and prerecorded and artificial voice, and email, from miamiforward.com and about your inquiry and other home-related matters, but not as a condition of any purchase.






      By proceeding, you consent to receive calls and texts at the number you provided, including marketing by autodialer and prerecorded and artificial voice, and email, from miamiforward.com and about your inquiry and other home-related matters, but not as a condition of any purchase.