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1 E Sister Rock Island, Marathon, FL 33050

Marathon
Local realty services provided by:CENTURY 21 Circle
1 E Sister Rock Island,Marathon, FL 33050
$16,000,000
  • 4 Beds
  • 3 Baths
  • 2,304 sq. ft.
  • Single family
  • Active
Listed by: vladimir rochebrun
Office: compass florida, llc.
MLS#:620952
Source:FL_FKBOR

Price summary

  • Price:$16,000,000
  • Price per sq. ft.:$6,944.44

About this home

Own an entire private island in the heart of the Florida Keys. Located just ¼ mile offshore from Marathon, East Sister Rock Island offers extraordinary privacy surrounded by turquoise waters, yet remains only minutes from the mainland. The property encompasses approximately 6.5 acres, including approximately 5.8 acres of surrounding seabed that create an exceptional marine setting for snorkeling, swimming, kayaking, paddle boarding, fishing and exploring the crystal-clear waters of the Keys. At the center of the island is a beautifully updated 3-bedroom, 2-bath main residence with a detached guest house, offering over 5,000 total SF of living and entertaining space. Recent interior renovations include a beautifully updated kitchen with gorgeous countertops and modern finishes. A 12-foot-wide wraparound veranda captures panoramic water views, Atlantic sunrises and spectacular Florida Keys sunsets. Designed for the ultimate island lifestyle, the property features a waterfront...

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Home facts

  • Year built:1980
  • Subdivision & Development:Misc Sombrero Area (50.0)
  • Listing ID #:620952
  • Added:77 day(s) ago
  • Updated:October 28, 2026 at 03:34 PM

Rooms and interior

  • Bedrooms:4
  • Total bathrooms:3
  • Rooms Total:5
  • Kitchen Description:Built-in Cabinets, Granite Counter Top
  • Living area:2,304 sq. ft.

Heating and cooling

  • Cooling:Central Air
  • Heating:Central

Structure and exterior

  • Year built:1980
  • Building area:2,304 sq. ft.
  • Lot area:6.44 Acres
  • Construction Materials:Concrete

Finances and disclosures

  • Price:$16,000,000
  • Price per sq. ft.:$6,944.44
  • Tax amount:$25,481

Features and amenities

  • Amenities:Bar, Built-in Cabinets

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