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Active - House for sale
1 E Sister Rck Is, Marathon FL 33050
Facts & features
Why you’ll love it
- Waterfront
- Water view
- Renovated
- Pool
- Solar
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.
Listed by: Vladimir Rochebrun • vladestates@gmail.com • Compass Florida, LLC
Co-listed by: Aaron Rosenthal • aaron@thechadcarrollgroup.com • Compass Florida, LLC
Source: Miami MLS, MLS#: A12069701
Based on information as of Sep 02, 2026 at 06:39am EDT.
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Affordability
$83,028/mo
- Mortgage$80,905
- Property tax$2,124
- HOA fee
- Homeowners insurance
Beycome estimates only. Actual amounts and terms vary by lender and location.
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Travel times
About Off Shore Island
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Disclaimer
No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements.
Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions.
Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided.
Copyright ©2026.
Based on information as of Sep 02, 2026 at 06:39am EDT.
