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Gulf Of Mexico Boulevard, Marathon, FL 33050

Marathon
Local realty services provided by:CENTURY 21 Circle
Gulf Of Mexico Boulevard,Marathon, FL 33050
$9,999,999
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  • 13.2 Acres
  • Lots / Land
  • Active
Listed by: samuel davis williams, brian schmitt
Office: coldwell banker schmitt real estate co.
MLS#:613238
Source:FL_FKBOR

Price summary

  • Price:$9,999,999

About this home

Discover unparalleled privacy and luxury on SeaWatch Island, a breathtaking 13.2-acre private island in the heart of the Florida Keys. This one-of-a-kind property offers a rare opportunity with building entitlement in hand to build a custom 9,500 sq. ft. estate. In addition to the main residence, the property allows for the construction of a stand-alone garage and pool house, offering ample space for vehicles, recreational amenities, and more. Boating enthusiasts, take note! The island is a true boater's paradise, featuring a protected marina with a concrete bulkhead and multiple deep-water slip configurations. Designed for big boat dockage, the marina accommodates Vikings, sportfishers, catamarans, and other large vessels. Whether you're a passionate yachtsman or a fishing aficionado, this property provides a safe, convenient harbor for your fleet. Inquire for more details on this unparalleled dockage opportunity. Fully equipped with a Development Agreement and Building...

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Home facts

  • Subdivision & Development:Seawatch (53.5)
  • Listing ID #:613238
  • Added:576 day(s) ago
  • Updated:July 22, 2026 at 03:11 PM

Structure and exterior

  • Lot area:13.2 Acres
  • Lot Features:Mangrove, Water Frontage, Wooded Lot
  • Exterior Features:Boat Slip

Finances and disclosures

  • Price:$9,999,999
  • Tax amount:$2,427

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