ESR Team

When you stay at a private island in Marathon, you’re not just booking accommodation—you’re unlocking access to some of the Florida Keys’ most pristine snorkeling locations. East Sister Rock Island sits in the heart of the Middle Keys, surrounded by crystal-clear waters and vibrant coral reefs that most tourists never discover. Why Marathon is a […]

When you book East Sister Rock Island, you’re not just renting accommodations—you’re gaining access to a fully equipped private island paradise. From kayaks to kitchen appliances, from outdoor furniture to water sports equipment, everything you need for an unforgettable Florida Keys vacation is included. Understanding what’s provided helps you pack light, plan activities, and maximize

Creating unforgettable family memories doesn’t require theme parks or crowded resorts. East Sister Rock Island offers families something increasingly rare—unstructured time together in nature, privacy to be yourselves, and adventures that span generations. From toddlers discovering their first starfish to grandparents teaching fishing techniques, the island creates space for families to truly connect. Why Families

Marathon’s central location in the Florida Keys positions you perfectly for island-hopping adventures that showcase the incredible diversity of this tropical archipelago. From uninhabited sandbars to historic lighthouses, from ecological preserves to vibrant local islands, East Sister Rock Island serves as your basecamp for exploring the Middle and Lower Keys’ hidden gems and popular destinations