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82768 Overseas Highway, Upper Matecumbe Key Islamorada, FL 33036

$25,000,000
Property Type: Residential Bedrooms: 7 Baths: 10 Square Footage: 6,935 Lot Size (sq. ft.): 146,797 Status: Active
Current Price: $25,000,000 List Date: 1/17/2025 Last Modified: 12/28/2025

Overview

Description

Welcome to Serenity Cay, an exquisite Balinese-inspired estate where tranquility and luxury meet the endless beauty on the Florida Bay. A true masterpiece of engineering and design, this sprawling waterfront residence on nearly 4 acres offers an unparalleled blend of tropical elegance, sophisticated craftsmanship, and modern luxury. An expansive infinity-edge pool blends seamlessly into the sparkling waters of the bay while lush gardens create a serene oasis. The home's architecture showcases graceful, custom finishes and rich hardwoods, all hallmarks designs that evoke the spirit of the Islands. Spanning over 6,900 square feet, the interior is a seamless fusion of open-concept living spaces and private retreats. Soaring vaulted ceilings and vast windows invite abundant natural light and spectacular views of the bay, creating an indoor-outdoor flow. The primary suite serves as your personal sanctuary, complete with private terrace, spa-inspired bathroom, and walk-in closets fit for a c ...

Listing Details MLS# 613195

Location, Tax & Legal

Street #
82768
Street Name
Overseas
Street Suffix
Highway
Key/Island
Upper Matecumbe Key Islamorada
State/Province
FL
Zip Code
33036
County
Monroe
Subdivision
Russell Estates (83.2)
Area
23 - Upper Matecumbe
City
ISLAMORADA
Mile Marker
83.2
Marathon Neighborhood
N/A
Side
Bay/Gulf
Flood Zone
AE,VE,AE,AE,AE,AE
Alternate Key #
1496707
Handicap Access
Yes
Parcel #
00404440-000000
Zoning
RE - Residential Estate
Deed Restrictions
Unknown
Legal
TR 36 AND ADJ BAY BTM THE RUSSELL EST PB2-14-15 UPPER MATECUMBE G68-494 OR367-87 OR762-947 OR762-943 OR1999-1261 OR1999-
Taxes
43688.37
Tax Year
2023
Pub Sewer HkUp
Yes

Contract Information

Listing Board
Florida Keys

General Property Description

Realtor.COM Type
Residential - Single Family
Style
Single Family
Waterfront
Yes
Control Depth
4
Pool
Yes
Year Built
2017
Total Units
2
Lot SqFt
146797.2
Lot Sqft Source
Seller
Acres
3.37
Living Apx SqFt
6935
SqFt Source
Property Data Card
Total Bedrooms
7
Full Baths
9
Half Baths
Yes
Total Baths
10
Rentals Allowed
Yes

Association Info

Mandatory Home Owners Asc
No
1st Right of Refusal
No
Association Fee $
0

Dockage

Dock
Concrete
Basin
Yes
Boat Lift
Yes
Boat Ramp
Yes
Boat Slip
Yes

More Information

Building Style

Above Flood
Yes

Vehicle Storage

Car(s)
4+
Garage
Yes
Guest Parking
Yes
Open Parking
Yes
RV Parking Open
Yes
Attached
Yes
Detached
Yes
Auto Door Opener
Yes
Off Street Parking
Yes
Trailer Storage
Yes

Pre-Wired

Other
security
Cable
Yes
Cat 5
Yes
Optical
Yes
Surround Sound
Yes

Specialty Rooms

Guest/Servant Qtrs
Legal
Bath House
Yes
Gym
Yes
Laundry Room
Yes
Media Room
Yes
Theater Room
Yes
Utility Room
Yes
Workshop
Yes

Pool Info

Other
hybrid
Heated
Yes
Other Surroundings
infinity pool & spa
In Ground
Yes
Concrete
Yes
Decked
Yes

Financial Status

Standard Sale
Yes

Remarks & Misc

Remarks – Consumer
Welcome to Serenity Cay, an exquisite Balinese-inspired estate where tranquility and luxury meet the endless beauty on the Florida Bay. A true masterpiece of engineering and design, this sprawling waterfront residence on nearly 4 acres offers an unparalleled blend of tropical elegance, sophisticated craftsmanship, and modern luxury. An expansive infinity-edge pool blends seamlessly into the sparkling waters of the bay while lush gardens create a serene oasis. The home's architecture showcases graceful, custom finishes and rich hardwoods, all hallmarks designs that evoke the spirit of the Islands. Spanning over 6,900 square feet, the interior is a seamless fusion of open-concept living spaces and private retreats. Soaring vaulted ceilings and vast windows invite abundant natural light and spectacular views of the bay, creating an indoor-outdoor flow. The primary suite serves as your personal sanctuary, complete with private terrace, spa-inspired bathroom, and walk-in closets fit for a connoisseur of fine living. Each guest has direct access to outdoor spaces and views. A bonus, versatile bunk room/media center sits just off the west wing of the home. The charming guest house is the perfect complement to the main home, nestled in its own secluded on site location this delightful addition exudes a warm, welcoming ambiance ideal for hosting guests, or as a private office or creative studio. This downtown Islamorada estate in an incomparable location; walking distance to shopping, dining, and local culture, also has appeal that extends to those with a passion for the great outdoors. Two protected docking basins and boat lift, sandy lounging beach, expansive outdoor lanai and outdoor kitchen offers the ideal space for entertaining or enjoying a quiet evening watching the sunset. Fly the seaplane in or land the helicopter. Premier boating access just moments away from the Intracoastal waterway and Ocean channels. Serenity Cay is not just a home, it's an experience.
Directions
GPS

Fee Includes

None
Yes

Tax Exemptions

Homestead
Yes

Appliances

Dishwasher
Yes
Disposal
Yes
Dryer
Yes
Freezer
Yes
Gas Appliances
Yes
Ice Machine
Yes
Microwave
Yes
More Appliances
Yes
Oven
Yes
Range
Yes
Refrigerator
Yes
Stainless Steel Appliance(s)
Yes
Washer
Yes
Water Purification
Yes
Wine Cooler
Yes

Pets

Pets Allowed
Yes

Cooling

Ceiling Fans(s)
Yes
Central Air
Yes

Heating

Central
Yes
Electric
Yes
Separate Meters
Yes
Zoned
Yes

Waterfront

Bay Front
Yes
Gulf Front
Yes
Open Water
Yes

Waterview

Bay/Gulf View
Yes
Open Water View
Yes

Floor

Marble
Yes

Neighborhood Feature

Bike Paths
Yes

Interior Features

Built-in Cabinets
Yes
Cathedral Ceilings
Yes
Drapes/Blinds Incl
Yes
Elevator
Yes
Entrance Foyer
Yes
Pantry
Yes
Security System
Yes
Smoke Alarms
Yes
Split Bedroom
Yes
Storage
Yes
Tray Ceilings
Yes
Walk-in Closet(s)
Yes
Wet Bar
Yes
Whirlpool Bath Tub
Yes
Window Treatments
Yes

Windows/Doors

French Doors
Yes
Glass Doors
Yes
Impact Rstnce Doors
Yes
Impact Rstnce Window
Yes
Sliding Glass Doors
Yes

Security

Electric Gate
Yes
On Premises System
Yes
Secured Building
Yes

Construction

CBS
Yes
Concrete
Yes
Stucco
Yes

Land Size

2 Less Than 5 Acres
Yes

Furnished

Negotiable
Yes

Terms

Cash
Yes
Conventional
Yes

Utilities

FKAA
Yes
Municipal Sewer
Yes
Propane
Yes
Solar Power
Yes
Water Separate Meter
Yes
Whole House Generatr
Yes

Porch/Balcony

Open Porch/Balcony
Yes
Roof Top Deck
Yes

Title

Title Ins - Buyer
Yes

Exterior Features

Bar
Yes
Built-in Grill
Yes
Detached Guest Qtrs
Yes
Fencing
Yes
Fruit Tree(s)
Yes
Gazebo
Yes
Hot Tub
Yes
Lanai
Yes
Lighting
Yes
Outdoor Kitchen
Yes
Outdoor Shower
Yes
Privacy Wall/Fence
Yes
Rain Gutters
Yes
Sandy Beach
Yes
Shed
Yes
Sprinkler System
Yes
Storage
Yes
Water Display
Yes

Roof

Concrete Roof
Yes
Metal Roof
Yes

Accessibility Feat

Accessible Doors
Yes
Accessible Elevator Installed
Yes
Accessible Full Bath
Yes
Accessible Kitchen
Yes
Parking
Yes
Wheelchair Ramp
Yes

GF-Bldg Materials

Double Paned Windows
Yes

GF-Interior Features

LED Lighting
Yes
Low Flow Toilets
Yes
Programmable Thermst
Yes
Tankless Hot Wtr Htr
Yes

GF-Utilities

Net Metered
Yes
Solar Panels
Yes

Property Features

Fee Includes: None Tax Exemptions: Homestead Waterfront: Bay Front; Gulf Front; Open Water Waterview: Bay/Gulf View; Open Water View Dockage: Basin; Boat Lift; Boat Ramp; Boat Slip Vehicle Storage: Garage; Attached; Detached; Auto Door Opener; Guest Parking; Off Street Parking; Open Parking; RV Parking Open; Trailer Storage Furnished: Negotiable Cooling: Ceiling Fans(s); Central Air Heating: Central; Separate Meters; Zoned Utilities: FKAA; Municipal Sewer; Propane; Solar Power; Water Separate Meter; Whole House Generatr Interior Features: Built-in Cabinets; Cathedral Ceilings; Drapes/Blinds Incl; Elevator; Entrance Foyer; Pantry; Security System; Smoke Alarms; Split Bedroom; Storage; Tray Ceilings; Walk-in Closet(s); Wet Bar; Whirlpool Bath Tub; Window Treatments Pre-Wired: Cable; Cat 5; Optical; Surround Sound Specialty Rooms: Bath House; Gym; Laundry Room; Media Room; Theater Room; Utility Room; Workshop Appliances: Dishwasher; Disposal; Dryer; Freezer; Gas Appliances; Ice Machine; Microwave; More Appliances; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer; Water Purification; Wine Cooler Exterior Features: Bar; Built-in Grill; Detached Guest Qtrs; Fencing; Fruit Tree(s); Gazebo; 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 Elevator Installed; Accessible Full Bath; Accessible Kitchen; Parking; Wheelchair Ramp Pool Info: In Ground; Concrete; Decked Construction: CBS; Concrete; Stucco Floor: Marble Roof: Concrete Roof; Metal Roof Pets: Pets Allowed Neighborhood Feature: Bike Paths Security: Electric Gate; On Premises System; Secured Building Land Size: 2 Less Than 5 Acres Terms: Cash; Conventional Title: Title Ins - Buyer GF-Bldg Materials: Double Paned Windows GF-Interior Features: LED Lighting; Low Flow Toilets; Programmable Thermst; Tankless Hot Wtr Htr GF-Utilities: Net Metered; Solar Panels
Listing Office: Ocean Sotheby's International Realty
Last Updated: December - 28 - 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.