The private island, along with its four-bedroom, three-bath estate, is a rare retreat and a once-in-a-lifetime opportunity for those desiring a Caribbean-like setting and 360-degree water views.

Ultimate private island retreat in the Florida Keys

Just off the coast of Marathon in the Florida Keys, the epitome of living an island lifestyle awaits potential home buyers. East Sister Rock Island is being offered by EWM Realty International, the exclusive South Florida affiliate for Christie’s International Real Estate. Priced at $11,500,000, the private island, along with its four-bedroom, three-bath estate, is a rare retreat and a once-in-a-lifetime opportunity for those desiring a Caribbean-like setting and 360-degree water views.