99 E Ocean E Marathon, FL $ 16,000,000
99 E Ocean E
$ 16,000,000
Recently Listed
Share Save

99 E Ocean E

Marathon, FL, 33050
$ 16,000,000
Bedrooms4 Baths3.0 Sq 2,304

Monthly Estimate*

$ 98,515

99 E Ocean  E, Marathon, FL 33050 - Image 1
99 E Ocean  E, Marathon, FL 33050 - Image 2
99 E Ocean  E, Marathon, FL 33050 - Image 3
99 E Ocean  E, Marathon, FL 33050 - Image 4
99 E Ocean  E, Marathon, FL 33050 - Image 5
99 E Ocean  E, Marathon, FL 33050 - Image 6
99 E Ocean  E, Marathon, FL 33050 - Image 7
99 E Ocean  E, Marathon, FL 33050 - Image 8
99 E Ocean  E, Marathon, FL 33050 - Image 9
99 E Ocean  E, Marathon, FL 33050 - Image 10
99 E Ocean  E, Marathon, FL 33050 - Image 11
99 E Ocean  E, Marathon, FL 33050 - Image 12
99 E Ocean  E, Marathon, FL 33050 - Image 13
99 E Ocean  E, Marathon, FL 33050 - Image 14
99 E Ocean  E, Marathon, FL 33050 - Image 15
99 E Ocean  E, Marathon, FL 33050 - Image 16
99 E Ocean  E, Marathon, FL 33050 - Image 17
99 E Ocean  E, Marathon, FL 33050 - Image 18
99 E Ocean  E, Marathon, FL 33050 - Image 19
99 E Ocean  E, Marathon, FL 33050 - Image 20
99 E Ocean  E, Marathon, FL 33050 - Image 21
View a Virtual Tour

Single Family Home for sale in Marathon, FL

for $16,000,000 with 4 bedrooms and 3 full baths. This 2,304 square foot home was built in 1980.

PRIVATE ISLAND INVESTMENT OPPORTUNITY IN THE FLORIDA KEYS! East Sister Rock is a rare, income-producing private island located just ¼ mile offshore from Marathon. Successfully operating as a luxury vacation rental and event venue for over 20 years, this one-of-a-kind property offers an exceptional blend of lifestyle, hospitality, and investment potential. Open to partnership and fractional ownership opportunities. A short boat ride across crystal-clear waters brings you to a self-sustaining tropical retreat featuring a 3BR/2BA main residence, detached guest house, a 100-foot deep-water dock capable of accommodating multiple vessels, helipad, wind and solar power, whole-house generator, and freshwater cistern. Guests enjoy world-class snorkeling, fishing, diving, kitesurfing, and watersports directly from the property. Wake to unobstructed Atlantic sunrises from the wraparound veranda and end each day with spectacular Florida Keys sunsets. Whether seeking a private family compound, luxury rental asset, event destination, or unique investment opportunity, East Sister Rock delivers an unparalleled ownership experience. Visit Floridaisland.com for details.

See more

Single Family Active

Price

$ 16,000,000

Bedrooms

4

Full Bath

3

Property Type

Single Family

Taxes

$ 16,899

Style

Year Built

1980

Town/City

Marathon

County/Region

Monroe

MLS | Web ID

A12037474

Features
General
Sewer Septic Tank
Heating Central Wall Furnace
Cooling Central Air Wall/Window Unit(s)
Utilities Cable Not Available
Possession Closing & Funding Close Of Escrow
Roof Aluminum
Appliances Some Gas Appliances Dryer Dishwasher Electric Water Heater Gas Range Gas Water Heater Ice Maker Microwave Refrigerator Solar Hot Water Water Purifier Washer
HOA Fee 500
Garage Spaces 0
Patio/Porch Features Deck Wrap Around
Architectural Style Detached One Story
Pool Features Fiberglass In Ground Pool
Security Features Gated Community Smoke Detector(s)
Restrictions See Remarks
Construction Materials Block
Pets Allowed Yes
Year Built 1980
View Ocean Water
Stories Count 1
Property Subtype Single Family Residence
Tax Year 2025
Ownership Corporation
Waterfront Features Ocean Front
Community Features Gated Street Lights
Assoc Fee Paid Per Annually
County Monroe
Property Type Residential
Energy Efficient Appliances Construction Doors HVAC Solar Panel(s) Water Heater
Subdivision Name Ocean E
Facing Direction North
Garage Y/N false
Other Structures Guest House
Total Rooms 0
Full Baths 3
Special Listing Conditions Listed As-Is
Status Active
City Marathon
Senior Community Y/N false
Zoning Description is
MLS Area 98 Florida Keys
Lot Size Units Square Feet
Lot Size Square Feet 1334
Carport Spaces 4
Carport Y/N true
Listing Terms Assumable Cash Conventional Cryptocurrency Owner May Carry
Spa Features Fiberglass
Year Built Details Effective Year Built
Tax Annual Amount 16899
Property Condition Updated/Remodeled
MLS Area Minor Other Geographic Area (Out Of Area Only)
Lease Considered Y/N true
Virtual Tour https://www.propertypanorama.com/instaview/mia/A12037474
Standard Status Active
Occupancy Type Call Agent
Property Sub Type Additional Single Family Residence
Legal Description 14 66 32 BOOT KEY (AKA UNRECORDED OCEAN EAST INC REV SURVEY 4-14-75 PT LOT 1) OR555-203 OR589-894 OR772-1173 OR983-1569 OR1364-739 OR1547-23
See more
Interior
Interior Amenities Breakfast Bar Bedroom on Main Level Closet Cabinetry Dual Sinks Eat-in Kitchen Family/Dining Room First Floor Entry Fireplace High Ceilings Kitchen/Dining Combo Pantry Shower Only Bar
Flooring Vinyl
Furnished Y/N Furnished
Air Conditioning Y/N true
Heating Y/N true
Window Features Impact Glass
Fireplace Y/N true
Total Bedrooms 4
Total Baths 3
See more
Exterior
Exterior Amenities Barbecue Deck Outdoor Shower Porch Shed Security/High Impact Doors Storm/Security Shutters
Parking Features Driveway
Lot Features 1-2 Acres
Water Source Other
Lot Size Area 1334
Spa true
Road Surface Type Paved
Frontage Length 500
Waterfront Y/N true
Covered Spaces 4
Road Frontage Type Private Road
Other Equipment Generator Satellite Dish
See more
* Excluded Features
List By
Frank Taylor Real Estate Inc

Broker

pantherinvestmentsllc@gmail.com

Email

Affordability Calculator

$99,923
Per Month
99%
1%
0%
Monthly Principal & Interest
$98,515
Monthly Property Taxes
$1,408
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
Learn more about how to save

Discover how much house you can afford

Your dream home may be within reach.

Learn More about how to save

The time to sell is now
THE TIME TO SELL IS NOW! What's my home worth?
Nearby
4827338 Elementary School
4827337 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
6/18/2026$16,000,000 Listed Price

Map


See all

99 E Ocean E, Marathon, FL, 33050 is a Single Family Home for sale at $16,000,000 with 2,304 sqft. 99 E Ocean E has 4 bedrooms, 3.0 baths, and was built in 1980. The property's zip code is 33050 which is in Marathon, FL