USAFLMarathonOcean E99 Ocean E
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$16,000,000

For Sale

5 days ago

99 Ocean E, Marathon, FL

House

MLS® A12037474

4 Bed

3 Bath

2304 sqft

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  • Key Facts
  • Description
  • Map

Key Facts

Type Single Family Residence
Levels Residential
Size 2304 sqft
Garage 
Taxes $16,899
Days Active 4
Lot Size 0.03 Acres
Approx. Age 1980
Avg. Price Per Sqft $6,944
MLS® Number A12037474

Property Address: 99 Ocean E, Marathon, FL, 33050-2551

Average square foot calculated using Size range provided by listing agent.

Description

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.
MLS® NumberA12037474
Laundry Level
Central VacNo
FireplaceNo
Acreage
Exterior
Garage
Approx. Age1980
Basement
DrivewayDriveway
Garage Spaces
HeatCentral, Wall Furnace
A/CCentral Air, Wall Window Units

Extras

Price History

-End Date
Not Sold YetSold Price

For Sale

Jun 18, 2026List Date
$16,000,000List Price
-End Date
Not Sold YetSold Price

For Sale

Jun 18, 2026List Date
$16,000,000List Price
  • Commute

Commute

Starting Address
Destination Address
99 Ocean E, Marathon, FL

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