1 E Sister Rck Is Marathon, FL 33050
Listing Courtesy of: MIAMI / Listed By: Compass Florida, LLC

  1 E Sister Rck Is Marathon, FL 33050

Active
$16,000,000 (USD)
4
BED
3
BATH
5,760
SQFT

Description

Own an entire private island in the Florida Keys, just ¼ mile offshore from Marathon! East Sister Rock Island offers extraordinary privacy surrounded by turquoise waters, yet is only minutes from the mainland. The property encompasses approx. 6.5 acres, including approx. 5.8 acres of surrounding seabed, creating an exceptional marine setting for snorkeling, swimming, kayaking, paddleboarding, fishing and watersports. The beautifully updated 3-bedroom, 2-bath main residence and detached guest house offer over 5,000 total SF of living and entertaining space. Recent renovations include an updated kitchen with gorgeous countertops and modern finishes. A 12-ft-wide wraparound veranda captures panoramic water views, sunrises and spectacular Keys sunsets. Amenities include a waterfront pool and spa, tropical landscaping, outdoor entertaining areas, and a 100-ft deep-water dock. Self-sufficient infrastructure includes solar and wind power, battery storage, backup generator, desalination system and freshwater cistern capacity. Private helipad provides additional access. Seller is open to select Joint Venture opportunities.

MLS #:
A12069701
Taxes
$25,482(2025)
Lot Size
6.44 acres
Type
Single-Family Home
Year Built
2015
Style
One Story, Detached
Views
Ocean
County
Monroe County
Community
Off Shore Island

Listed By

Vladimir Rochebrun, Compass Florida, LLC
Source
MIAMI
Last checked Aug 12 2026 at 5:08 PM GMT+0000
Bathroom Details
  • Full Bathrooms: 3
Interior Features
  • First Floor Entry
  • Closet Cabinetry
  • Fireplace
  • Dryer
  • Refrigerator
  • Washer
  • Dishwasher
  • Microwave
  • Trash Compactor
  • Windows: Impact Glass
  • Split Bedrooms
  • Living/Dining Room
  • Electric Range
  • Built-In Oven
  • Solar Hot Water
Subdivision
  • Off Shore Island
Heating and Cooling
  • Solar
  • Central Air
Pool Information
  • In Ground
  • Pool
Flooring
  • Other
  • Tile
Exterior Features
  • Roof: Metal
Utility Information
  • Utilities: Water Source: Other
  • Sewer: Septic Tank
Stories
  • 1
Living Area
  • 2,304 sqft
Location
   
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Disclaimer: Copyright 2026 Miami Association of Realtors. All rights reserved. This information is deemed reliable, but not guaranteed. The information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated 8/12/26 10:08