1 E Sister Rck Is Marathon, FL $ 16,000,000
1 E Sister Rck Is
$ 16,000,000
Recently Listed
Share Save

1 E Sister Rck Is

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

Monthly Estimate*

$ 101,026

1 E Sister Rck Is, Marathon, FL 33050 - Image 1
1 E Sister Rck Is, Marathon, FL 33050 - Image 2
1 E Sister Rck Is, Marathon, FL 33050 - Image 3
1 E Sister Rck Is, Marathon, FL 33050 - Image 4
1 E Sister Rck Is, Marathon, FL 33050 - Image 5
1 E Sister Rck Is, Marathon, FL 33050 - Image 6
1 E Sister Rck Is, Marathon, FL 33050 - Image 7
1 E Sister Rck Is, Marathon, FL 33050 - Image 8
1 E Sister Rck Is, Marathon, FL 33050 - Image 9
1 E Sister Rck Is, Marathon, FL 33050 - Image 10
1 E Sister Rck Is, Marathon, FL 33050 - Image 11
1 E Sister Rck Is, Marathon, FL 33050 - Image 12
1 E Sister Rck Is, Marathon, FL 33050 - Image 13
1 E Sister Rck Is, Marathon, FL 33050 - Image 14
1 E Sister Rck Is, Marathon, FL 33050 - Image 15
1 E Sister Rck Is, Marathon, FL 33050 - Image 16
1 E Sister Rck Is, Marathon, FL 33050 - Image 17
1 E Sister Rck Is, Marathon, FL 33050 - Image 18
1 E Sister Rck Is, Marathon, FL 33050 - Image 19
1 E Sister Rck Is, Marathon, FL 33050 - Image 20
1 E Sister Rck Is, Marathon, FL 33050 - Image 21
1 E Sister Rck Is, Marathon, FL 33050 - Image 22
1 E Sister Rck Is, Marathon, FL 33050 - Image 23
1 E Sister Rck Is, Marathon, FL 33050 - Image 24
1 E Sister Rck Is, Marathon, FL 33050 - Image 25
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 2015.

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.

See more

Single Family Active

Price

$ 16,000,000

Bedrooms

4

Full Bath

3

Property Type

Single Family

Taxes

$ 25,482

Style

Year Built

2015

Town/City

Marathon

County/Region

Monroe

MLS | Web ID

A12069701

Features
General
Sewer Septic Tank
Heating Solar
Cooling Central Air
Possession Closing & Funding
Roof Metal
Appliances Built-In Oven Dryer Dishwasher Electric Range Microwave Other Refrigerator Solar Hot Water Trash Compactor Washer
Garage Spaces 0
Patio/Porch Features Deck Open Porch Wrap Around
Architectural Style Detached One Story
Pool Features In Ground Pool
Restrictions No Restrictions
Construction Materials Block
Year Built 2015
View Ocean
Stories Count 1
Property Subtype Single Family Residence
Tax Year 2025
Waterfront Features Navigable Water Ocean Access Ocean Front
Community Features Boat Facilities
County Monroe
Property Type Residential
Subdivision Name Off Shore Island
Facing Direction East
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 0S
MLS Area 98 Florida Keys
Lot Size Units Square Feet
Lot Size Square Feet 280628
Carport Spaces 0
Carport Y/N false
Listing Terms Cash Conventional Other
Year Built Details Effective Year Built
Tax Annual Amount 25482
MLS Area Minor Other Geographic Area (Out Of Area Only)
Lease Considered Y/N false
Virtual Tour https://www.propertypanorama.com/instaview/mia/A12069701
Standard Status Active
Occupancy Type Call Agent
Property Sub Type Additional Single Family Residence
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-
See more
Interior
Interior Amenities Built-in Features Bedroom on Main Level Closet Cabinetry Eat-in Kitchen First Floor Entry Fireplace Living/Dining Room Split Bedrooms
Flooring Other Tile
Air Conditioning Y/N true
Window Features Impact Glass
Fireplace Y/N true
Half Baths 0
Total Bedrooms 4
Total Baths 3
See more
Exterior
Exterior Amenities Deck Fruit Trees Security/High Impact Doors Lighting Porch Storm/Security Shutters
Parking Features None
Lot Features 5-10 Acres
Water Source Other
Lot Size Area 280628
Building Area Total 5760
Frontage Length 800
Private Pool true
Waterfront Y/N true
Covered Spaces 0
Other Equipment Satellite Dish
See more
* Excluded Features
List By
Compass Florida, Llc

Broker

vladestates@gmail.com

Email

Affordability Calculator

$103,149
Per Month
98%
2%
0%
Monthly Principal & Interest
$101,026
Monthly Property Taxes
$2,124
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.49% 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
8/12/2026$16,000,000 Listed Price

Map


See all

1 E Sister Rck Is, Marathon, FL, 33050 is a Single Family Home for sale at $16,000,000 with 2,304 sqft. 1 E Sister Rck Is has 4 bedrooms, 3.0 baths, and was built in 2015. The property's zip code is 33050 which is in Marathon, FL