← Back to search

99 E Ocean E, Marathon, FL 33050

Marathon, FL, 33050 · Ocean E

$16,000,000

4 bd · 3 ba · 2,304 sqft

99 E Ocean E, Marathon, FL 33050 — photo 1 of 21
99 E Ocean E, Marathon, FL 33050 — photo 2 of 21
99 E Ocean E, Marathon, FL 33050 — photo 3 of 21
99 E Ocean E, Marathon, FL 33050 — photo 4 of 21
99 E Ocean E, Marathon, FL 33050 — photo 5 of 21
99 E Ocean E, Marathon, FL 33050 — photo 6 of 21
99 E Ocean E, Marathon, FL 33050 — photo 7 of 21
99 E Ocean E, Marathon, FL 33050 — photo 8 of 21
99 E Ocean E, Marathon, FL 33050 — photo 9 of 21
99 E Ocean E, Marathon, FL 33050 — photo 10 of 21
99 E Ocean E, Marathon, FL 33050 — photo 11 of 21
99 E Ocean E, Marathon, FL 33050 — photo 12 of 21
99 E Ocean E, Marathon, FL 33050 — photo 13 of 21
99 E Ocean E, Marathon, FL 33050 — photo 14 of 21
99 E Ocean E, Marathon, FL 33050 — photo 15 of 21
99 E Ocean E, Marathon, FL 33050 — photo 16 of 21
99 E Ocean E, Marathon, FL 33050 — photo 17 of 21
99 E Ocean E, Marathon, FL 33050 — photo 18 of 21
99 E Ocean E, Marathon, FL 33050 — photo 19 of 21
99 E Ocean E, Marathon, FL 33050 — photo 20 of 21
99 E Ocean E, Marathon, FL 33050 — photo 21 of 21
1 / 21

About this home

PRIVATE ISLAND INVESTMENT OPPORTUNITY IN THE FLORIDA KEYS! East Sister Rock is a rare, income-producing private island located just ¼ mile offshore from Marathon. Successfully operating as a luxury vacation rental and event venue for over 20 years, this one-of-a-kind property offers an exceptional blend of lifestyle, hospitality, and investment potential. Open to partnership and fractional ownership opportunities. A short boat ride across crystal-clear waters brings you to a self-sustaining tropical retreat featuring a 3BR/2BA main residence, detached guest house, a 100-foot deep-water dock capable of accommodating multiple vessels, helipad, wind and solar power, whole-house generator, and freshwater cistern. Guests enjoy world-class snorkeling, fishing, diving, kitesurfing, and watersports directly from the property. Wake to unobstructed Atlantic sunrises from the wraparound veranda and end each day with spectacular Florida Keys sunsets. Whether seeking a private family compound, luxury rental asset, event destination, or unique investment opportunity, East Sister Rock delivers an unparalleled ownership experience. Visit Floridaisland.com for details.

Virtual tour ↗

Location

Map loading…

Listing courtesy of Frank Taylor Real Estate Inc · Wesley Williford

Listing information is provided by BeachesMLS via the Spark Platform. All information is deemed reliable but not guaranteed and should be independently verified. Properties may or may not be listed by the office/agent presenting the information.

Last updated 2026-06-18