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9300 Overseas Highway, Marathon, FL 33050

$22,000,000
Property Type: Residential Bedrooms: 5 Baths: 9 Square Footage: 8,573 Lot Size (sq. ft.): 216,901 Status: Closed
Current Price: $22,000,000 List Date: 1/07/2025 Last Modified: 2/06/2026

Overview

Description

Discover the crown jewel of the Florida Keys. This extraordinary seven-acre oceanfront estate defines luxury, offering private ocean frontage and unmatched tropical serenity. From the moment you pass through the gated entrance, find yourself immersed in a world of elegance, privacy, and unparalleled amenities. A timeless Chicago brick-paved driveway winds gracefully along the lush rain forest and fruit orchard, leading through the grand Palm Alley to the heart of the estate, setting the tone for the tropical oasis that awaits. The custom-designed 5,600+/- sq. ft. main residence by D'Asign Source showcases architectural brilliance and exquisite craftsmanship. A separate 2,999 sq. ft. guest house includes its own kitchen, multiple bathrooms, workshop, and spacious living areas, making it ideal for hosting guests or staff. The resort-style pool features waterfalls, waterslide, a Tahitian-style river, an expansive spa, a swim-up tiki bar, and a tiki village. Private bedroom balconies ...

Listing Details MLS# 612998

Location, Tax & Legal

Street #
9300
Street Name
Overseas
Street Suffix
Highway
Key/Island
Marathon
State/Province
FL
Zip Code
33050
County
Monroe
Subdivision
Sea Crest Heights (52.0)
Area
16 - Sombrero Bch Rd to Vaca Cut - Oceanside

Contract Information

Listing Board
Marathon/Lower Keys
As is Rght to Inspct
Yes
Species List
Yes

General Property Description

Realtor.COM Type
Residential - Single Family
Style
Single Family
Waterfront
Yes
Control Depth
6
Pool
Yes
Year Built
2007
Lot SqFt
216900.8
Lot Sqft Source
Property Data Card
Acres
7
Living Apx SqFt
8573
SqFt Source
Builder/Architect
Total Bedrooms
5
Full Baths
6
Half Baths
3
Total Baths
9
Rentals Allowed
With Restrictions
Min Rental Days
7

Status Change Info

Under Contract Date
2026-01-27
Leased Date
2026-02-06
Sold Comments
Included SFR located at 676 92nd Street

Association Info

Mandatory Home Owners Asc
No
1st Right of Refusal
No

Dockage

Dock Length
162
Dock
Composite
Seawall
Concrete

More Information

Building Style

Above Flood
Yes
# Stories
2 Stories

Vehicle Storage

Car(s)
4+

Specialty Rooms

Guest/Servant Qtrs
Legal

Pool Info

Dimensions
195,000 Gallons

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Oceanfront; Open Water Waterview: Ocean View; Open Water View Dockage: Basin; Boat Ramp; Other Dockage Vehicle Storage: Garage; Carport; Attached; Detached; Auto Door Opener; Covered Parking; Guest Parking; Off Street Parking; Open Parking; RV Parking Covered; RV Parking Open; Trailer Storage Furnished: Negotiable Cooling: Ceiling Fans(s); Central Air Heating: Fireplace(s) Utilities: Buyer to Verify; Cistern; FKAA; Propane; Water Separate Meter; Whole House Generatr Interior Features: Built-in Cabinets; Cathedral Ceilings; Drapes/Blinds Incl; Entrance Foyer; Fire Sprinkler; Fireplace(s); Granite Counter Top; Pantry; Security System; Tray Ceilings; Walk-in Closet(s); Wet Bar; Whirlpool Bath Tub; Window Treatments Pre-Wired: Cable; Cat 5; Optical; Surround Sound Specialty Rooms: Laundry Room; Media Room; Theater Room; Utility Room; Workshop; Other Appliances: Dishwasher; Dryer; Freezer; Gas Appliances; Ice Machine; Microwave; More Appliances; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer; Wine Cooler Exterior Features: Bar; Built-in Grill; Chickee Hut; Detached Guest Qtrs; Fencing; Fruit Tree(s); Hot Tub; Lanai; Lighting; Outdoor Kitchen; Outdoor Shower; Privacy Wall/Fence; Rain Gutters; Sandy Beach; Shed; Sprinkler System; Storage; Water Display Accessibility Feat: Accessible Doors; Accessible Kitchen; Parking Pool Info: In Ground; Salt Water; Concrete Construction: CBS; Concrete Shutters: Bahama; Roll Down Electric; Other Floor: Carpet; Concrete; Tile; Wood; Other Roof: Metal Roof Pets: Pets Allowed Neighborhood Feature: Airstrip; Bike Paths; Fire Hydrant Security: Electric Gate; On Premises System Land Size: 5 Less Than 10 Acres Terms: Cash; Conventional Title: Negotiable
Listing Office: Coldwell Banker Schmitt Real Estate Co.
Last Updated: February - 06 - 2026
The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.