9300 Overseas Highway, Marathon, FL 33050
$21,000,000
Property Type:
Residential
Bedrooms:
5
Baths:
9
Square Footage:
8,573
Lot Size (sq. ft.):
216,901
Status:
Active
Current Price:
$21,000,000
List Date:
1/07/2025
Last Modified:
11/06/2025
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. With potential for additional private hangar purchase, this property offers unmatched exclusivity and ease.
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 provide direct access to this stunning pool, making it perfect for tranquil escapes and lavish entertaining.
Boating enthusiasts will love the private marina, boat ramp, and charming bait shack, offering instant access to the world-famous Florida Keys fishing and boating. Inside, the estate is designed to impress, featuring a gourmet kitchen, opulent guest suites with private balconies to the pool, and a luxurious movie theater. The primary en-suite dazzles with a spa-like sanctuary, ensuring every moment here is extraordinary.
Beyond the elegance, this estate is built for durability, with impact-resistant windows and doors, generator, and cistern. Enjoy expansive porches, multiple garages, and carriage house.
Experience the pinnacle of Florida Keys living—where luxury, tranquility, warmth and prestige come together in perfect harmony
More Information MLS# 612998
Contract Information
Listing Board: Marathon/Lower Keys
As is Rght to Inspct: Yes
Species List: Yes
Current Price: $21,000,000
Listing Date: 2025-01-07
List Price: $21,000,000
Location, Tax & Legal
City: MARATHON
Off Shore Island: No
Mile Marker: 52
Marathon Neighborhood: Airport - Ocean (72nd to 106th)
Side: Ocean
Flood Zone: AE7,AE8,AE9,VE10
Alternate Key #: 1117803
Handicap Access: Yes
Add'l Parcel #1: 00100810-000000
Parcel #: 00100800-000000
Zoning: RL - Residential Low
Deed Restrictions: Unknown
Legal: A part of Government Lot 4, Section 1, Township 66 South, Range 32 East on Key Vaca, Monroe County, lengthy legal
Taxes: 85703.7
Tax Year: 2023
Pub Sewer HkUp: Yes
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
General Property Description
Realtor.COM Type: Residential - Single Family
Waterfront: Yes
Control Depth: 6
Lot Size: 4.98 acres land plus 2 acres bay bottom
Lot SqFt: 216900.8
Pool: Yes
Lot Sqft Source: Property Data Card
Total Units: 0
Acres: 7
SqFt Source: Builder/Architect
Rentals Allowed: With Restrictions
Min Rental Days: 7
Style: Single Family
Year Built: 2007
Living Apx SqFt: 8573
Total Bedrooms: 5
Full Baths: 6
Half Baths: 3
Total Baths: 9
Remarks & Misc
Remarks – Consumer: 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. With potential for additional private hangar purchase, this property offers unmatched exclusivity and ease.
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 provide direct access to this stunning pool, making it perfect for tranquil escapes and lavish entertaining.
Boating enthusiasts will love the private marina, boat ramp, and charming bait shack, offering instant access to the world-famous Florida Keys fishing and boating. Inside, the estate is designed to impress, featuring a gourmet kitchen, opulent guest suites with private balconies to the pool, and a luxurious movie theater. The primary en-suite dazzles with a spa-like sanctuary, ensuring every moment here is extraordinary.
Beyond the elegance, this estate is built for durability, with impact-resistant windows and doors, generator, and cistern. Enjoy expansive porches, multiple garages, and carriage house.
Experience the pinnacle of Florida Keys living—where luxury, tranquility, warmth and prestige come together in perfect harmony
Directions: Overseas Highway South. Make a U-turn at 92nd Street Ocean. 400 feet turn right and enter private gate at 9300 Overseas Highway, Marathon.
Association Info
Mandatory Home Owners Asc: No
1st Right of Refusal: No
Association Fee $: 0
Fee Includes
None: 1
Dockage
Dock Length: 162
Dock: Composite
Basin: 1
Boat Ramp: 1
Seawall: Concrete
Other Dockage: 1
Tax Exemptions
None: 1
Appliances
Dishwasher: 1
Dryer: 1
Freezer: 1
Gas Appliances: 1
Ice Machine: 1
Microwave: 1
More Appliances: 1
Oven: 1
Range: 1
Refrigerator: 1
Stainless Steel Appliance(s): 1
Washer: 1
Wine Cooler: 1
Pets
Pets Allowed: 1
Cooling
Ceiling Fans(s): 1
Central Air: 1
Heating
Electric: 1
Fireplace(s): 1
Waterfront
Oceanfront: 1
Open Water: 1
Waterview
Ocean View: 1
Open Water View: 1
Floor
Carpet: 1
Concrete: 1
Tile: 1
Wood: 1
Other: 1
Neighborhood Feature
Airstrip: 1
Bike Paths: 1
Fire Hydrant: 1
Interior Features
Built-in Cabinets: 1
Cathedral Ceilings: 1
Drapes/Blinds Incl: 1
Entrance Foyer: 1
Fire Sprinkler: 1
Fireplace(s): 1
Granite Counter Top: 1
Pantry: 1
Security System: 1
Tray Ceilings: 1
Walk-in Closet(s): 1
Wet Bar: 1
Whirlpool Bath Tub: 1
Window Treatments: 1
Specialty Rooms
Guest/Servant Qtrs: Legal
Laundry Room: 1
Media Room: 1
Theater Room: 1
Utility Room: 1
Workshop: 1
Other: 1
Building Style
Above Flood: Yes
Stories: 2 Stories
Windows/Doors
French Doors: 1
Glass Doors: 1
Impact Rstnce Doors: 1
Impact Rstnce Window: 1
Sliding Glass Doors: 1
Vehicle Storage
Car(s): 4+
Carport: 1
Covered Parking: 1
Garage: 1
Guest Parking: 1
Open Parking: 1
RV Parking Covered: 1
RV Parking Open: 1
Attached: 1
Detached: 1
Auto Door Opener: 1
Off Street Parking: 1
Trailer Storage: 1
Security
Electric Gate: 1
On Premises System: 1
Construction
CBS: 1
Concrete: 1
Land Size
5 Less Than 10 Acres: 1
Furnished
Negotiable: 1
Terms
Cash: 1
Conventional: 1
Utilities
Buyer to Verify: 1
Cistern: 1
FKAA: 1
Propane: 1
Water Separate Meter: 1
Whole House Generatr: 1
Porch/Balcony
Deck: 1
Open Porch/Balcony: 1
Patio: 1
Roof Top Deck: 1
Widow's Walk: 1
Title
Negotiable: 1
Exterior Features
Bar: 1
Built-in Grill: 1
Chickee Hut: 1
Detached Guest Qtrs: 1
Fencing: 1
Fruit Tree(s): 1
Hot Tub: 1
Lanai: 1
Lighting: 1
Outdoor Kitchen: 1
Outdoor Shower: 1
Privacy Wall/Fence: 1
Rain Gutters: 1
Sandy Beach: 1
Shed: 1
Sprinkler System: 1
Storage: 1
Water Display: 1
Pool Info
In Ground: 1
Salt Water: 1
Concrete: 1
Dimensions: 195,000 Gallons
Pre-Wired
Cable: 1
Cat 5: 1
Optical: 1
Surround Sound: 1
Roof
Metal Roof: 1
Accessibility Feat
Accessible Doors: 1
Accessible Kitchen: 1
Parking: 1
Shutters
Bahama: 1
Roll Down Electric: 1
Other: 1
Status Change Info
Status: Active
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: November - 06 - 2025
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.