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99 E Ocean E, Marathon, FL 33050

Marathon
Local realty services provided by:CENTURY 21 Carioti
99 E Ocean E,Marathon, FL 33050
$16,000,000
  • 4 Beds
  • 3 Baths
  • 2,304 sq. ft.
  • Single family
  • Active
Listed by: wesley williford
Office: frank taylor real estate inc786-863-4866
MLS#:A12037474
Source:SEFMLS

Price summary

  • Price:$16,000,000
  • Price per sq. ft.:$6,944.44
  • Monthly HOA dues:$41.67

About this home

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,...

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Home facts

  • Year built:1980
  • Listing ID #:A12037474
  • Updated:June 18, 2026 at 06:57 PM

Rooms and interior

  • Bedrooms:4
  • Total bathrooms:3
  • Full bathrooms:3
  • Flooring:Vinyl
  • Dining Description:Breakfast Bar, Family/Dining Room, Kitchen/Dining Combo
  • Bathrooms Description:Dual Sinks
  • Kitchen Description:Dishwasher, Gas Range, Ice Maker, Kitchen/Dining Combo, Microwave, Pantry, Refrigerator, Water Purifier
  • Living area:2,304 sq. ft.

Heating and cooling

  • Cooling:Central Air, Wall/Window Units
  • Heating:Central, Wall Furnace
  • Central air:Yes

Structure and exterior

  • Roof:Aluminum
  • Year built:1980
  • Building area:2,304 sq. ft.
  • Lot area:0.03 Acres
  • Architectural Style:Detached, One Story
  • Construction Materials:Block
  • Exterior Features:Deck, Outdoor Shower, Porch, Security High Impact Doors, Storm Security Shutters, Wrap Around
  • Levels:1 Story

Utilities

  • Sewer:Septic Tank

Finances and disclosures

  • Price:$16,000,000
  • Price per sq. ft.:$6,944.44
  • Tax amount:$16,899 (2025)

Features and amenities

  • Appliances:Dishwasher, Dryer, Electric Water Heater, Gas Range, Gas Water Heater, Generator, Ice Maker, Microwave, Refrigerator, Satellite Dish, Solar Hot Water, Some Gas Appliances, Washer, Water Purifier
  • Laundry features:Dryer, Washer
  • Amenities:Bar, Barbecue, Closet Cabinetry, Fireplace, Gated Community, High Ceilings, Impact Glass Windows, Pantry, Smoke Detectors
  • Pool features:Fiberglass, In Ground, Pool

Parking

  • Parking description:4 Carport Space(s), Driveway
  • Carport spaces:4
Information deemed reliable but not guaranteed. Information is provided, in part, by Greater Miami MLS. This information being provided is for consumer's personal, non-commercial use and may not be used for any other purpose other than to identify prospective properties consumers may be interested in purchasing. SEFMLS Member Broker: Albert Carioti

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