Home in 1 E Sister Rck Island, Marathon, FL 33050 for sale with MLS# A12069701
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.
1 E Sister Rck Island, Marathon, FL 33050
- Price:
- $16,000,000.00
- Original List Price:
- $16,000,000.00
- List Price per Sq Ft (Calculated, Approx.):
- $6,944.44
- Listing Type:
- For Sale
- Status:
- Active
- Listing Category:
- Residential
- Property Type:
- Single Family House
- Description of Last Important Update:
- New Listing
- Last Major Update on:
- August 12, 2026 4:00 am
- Other Special Conditions:
- Sold As-is
- Bedrooms:
- 4
- Bathrooms Total:
- 3
- Full Bath:
- 3
- Room Type:
- Family Room
- Master Bedroom Bath:
- Separate Shower, Bedroom On Entry Level
- Dining Area:
- Eat-in Kitchen, Dining/Living Room
- Living Area:
- 2,304 Sqft
- Built-Up Area:
- 5,760 Sqft
- Lot Features:
- Fruit Tree(s)
- Lot Size Acres:
- 6.44
- View from the Property:
- Ocean, Direct Ocean
- Waterfront:
- Yes
- Waterfront Features:
- Ocean Access, Ocean Front, Navigable Water, No Fixed Bridge
- Frontage Length:
- 800
- Private Pool
- Swimming Pool Features:
- In Ground
- Guest House Features:
- Kitchen, Living Room, Efficiency, 1 Bath
- Appliances:
- Dryer, Dishwasher, Microwave, Refrigerator, Washer, Other, Trash Compactor, Electric Range, Solar Hot Water, Oven
- Interior:
- Closet Cabinetry, Built-in Features, Bedroom Layout - Three Way Split
- Exterior:
- Lighting
- Patio and Porch:
- Deck, Porch, Porch - Open, Porch - Wrap Around
- Fireplace
- Air Conditioning
- Air Conditioning System:
- Central Air
- Heating
- Heating System:
- Solar
- Boat and Dock Features:
- Private Dock, Deeded Dock
- Property Entrance Faces:
- East
- Other Equipment:
- Satellite Dish, Other
- Storm Protection Impact Glass:
- Complete
- Year Built:
- 2015
- Roof:
- Metal
- Levels:
- One
- Entry Level (floor):
- 1
- Construction Materials:
- Block
- Flooring:
- Tile, Other
- Number of stories:
- 1
- Flood Zone Code:
- VE
- Tax Annual Amount:
- $25,482.00
- Tax Year:
- 2025
- Property Tax Details:
- City/County
- Garage Spaces:
- 0
- Covered Spaces:
- 0
- Sewer:
- Septic Tank
- Water Source:
- Other
- Amenities Provided by the Homeowner's Association (HOA):
- Boating
- Subdivision Name:
- Off Shore Island
- Senior Community:
- No
- Restrictions:
- No Restrictions
- Community Dock
- Listing Terms Considered by Seller:
- Cash, Conventional, Other
- Buyer Possession:
- Negotiable
- Tax Legal Description:
- 23 66 32 LOT 2 (US PATENT 1186533) EAST SISTER ROCK AND ADJACENT BAY BOTTOM G71-513(II DEED 20369) OR374-139/40 OR752-1640 OR752-1642 OR755-
- Real Estate Folio Number (Parcel Number):
- 00105590000000
- Zoning:
- 0S
- Active on the market since:
- August 12, 2026
- Listing Agreement executed on:
- August 12, 2026
- Listing Status Last Changed On:
- August 12, 2026 4:00 am
- Photos updated on:
- August 12, 2026 2:59 pm
- Last Modified:
- August 12, 2026 4:08 pm
- Courtesy of:
- Compass Florida, LLC
- Attribution:
- Not provided
- Street Name:
- Sister Rck
- Street Number:
- 1
- City:
- Marathon
- State:
- Florida
- Zip Code:
- 33050
- County:
- Monroe
- Latitude:
- N24° 41' 18.1''
- Longitude:
- W82° 55' 27.9''
- Street Suffix:
- Island
- Street Direction Prefix:
- E
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Neighborhood Stats
Source: U.S. Census Bureau, ACS 5-Year Estimates
Ver la propiedad 1 E Sister Rck Island, Marathon, FL 33050
