Price: $16,000,000 | 5,760 s.f. | 4 Beds | 3 Baths
| Listing Price: | $16,000,000 |
| Price per Square Foot: | $6,944.44/s.f. |
| Beds: | 4 |
| Baths: | 3 |
| Interior Space: | 2,304 s.f. (214.0 m²) |
| Total Size: | 5,760 s.f. (535.1 m²) |
| Lot Size: | 280,628 s.f. |
| Taxes (2025): | $25,482 |
| Reference: | A12069701 |
| See this property on BHSUSA.com | |
Own an entire private island in the Florida Keys, just ΒΌ 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.
The MLS data provided for the property above (MLS#A12069701) is provided courtesy of Compass Florida, LLC. Source: Southeast Florida MLS. Data updated 8/13/2026. Information is deemed reliable but not guaranteed. Copyright Β© 2026. The listing data on this page comes in part from the Internet Data Exchange (IDX), a collaboration between the following REALTOR(R) associations in the South Florida Multiple Listing Service (MLS): Miami Realtor Association, Realtor Association of Greater Ft. Lauderdale and the South Broward Board of Realtors. All rights reserved. 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 is believed to be accurate, but is not warranted. Use of search facilities of data on the site, other than a consumer looking to purchase real estate, is prohibited. Federal law prohibits discrimination on the basis of race, color, religion, sex, handicap, familial status or national origin in the sale, rental or financing of housing.
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