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Yes, East Sister Rock Island is 100% off-grid, powered by solar and wind energy with battery storage and a backup generator. The island offers full modern amenities, including air conditioning, WiFi, electricity, running water, and a full kitchen — delivering a private, luxury experience with no neighbors.
The island is 1.35 acres, circular in shape, and surrounded by a natural fossilized reef rock wall. The main house is approximately 5,000 square feet with wraparound porches and outdoor entertaining spaces. The guest house adds an additional 700 square feet for larger groups.
East Sister Rock Island is a private 1.35-acre island located half a mile off the coast of Marathon in the Florida Keys. The island features a main house with 3 bedrooms and 2 bathrooms, plus an optional guest house (1 bed/1 bath), offering complete privacy and exclusivity for vacation rentals and special events. With a 360-degree ocean view, 100-foot private boat dock, helicopter launch pad, and direct access to world-class reef fishing and snorkeling, it's one of the most unique private island rentals in the Florida Keys.
Unlike traditional waterfront homes or resort properties, East Sister Rock Island offers complete island exclusivity. You rent the entire island — not just a house. There are no shared amenities, no neighboring guests, and no public access. The island is surrounded by a natural rock wall creating a protected moat, perfect for snorkeling and water activities. You also get helicopter access, which is virtually unheard of for vacation rentals in the Keys.
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East Sister Rock Island is one of the most unique private island rentals in the Florida Keys, offering a rare combination of privacy, accessibility, and luxury amenities:
-Complete privacy: You and your guests have exclusive access to the entire island — no neighbors, no crowds
-360-degree ocean views: Surrounded by water with breathtaking sunrises and sunsets
-Private helicopter access: Dedicated helipad for seamless arrivals and departures
-100-foot private dock: Bring your own boat or arrange charters with ease
-Natural protected moat: A surrounding rock reef creates calm, ideal conditions for snorkeling right off the island
-Direct access to Sombrero Reef: Just minutes away from one of the best snorkeling and diving spots in the Florida Keys
-Luxury amenities: Private pool, billiards table, modern kitchen, and expansive outdoor living spaces
-Licensed wedding venue: Host ceremonies and events for up to 75 guests in a truly one-of-a-kind setting
-World-class fishing: Located on a natural reef with exceptional fishing opportunities right off the island
-Fully off-grid: Powered by wind, solar, and battery systems — offering sustainability without sacrificing comfort
East Sister Rock Island delivers a private, resort-style experience in the Florida Keys, combining adventure, relaxation, and exclusivity in one unforgettable destination.
Yes, East Sister Rock Island is 100% off-grid, powered by solar and wind energy with battery storage and a backup generator. The island offers full modern amenities, including air conditioning, WiFi, electricity, running water, and a full kitchen — delivering a private, luxury experience with no neighbors.
The island is 1.35 acres, circular in shape, and surrounded by a natural fossilized reef rock wall. The main house is approximately 5,000 square feet with wraparound porches and outdoor entertaining spaces. The guest house adds an additional 700 square feet for larger groups.
No. Our pricing is transparent and includes:
- Full use of the main house and all amenities
- Boat provided for transportation to/from the island
- WiFi, utilities, linens, and towels
- Access to kayaks, snorkeling gear, and water equipment
Additional costs may include:
- Guest house rental (optional) or it remains locked.
- Boat fuel if you bring your own vessel
- Helicopter charter (if you choose aerial access)
- Catering/services for weddings or events
- Additional cleaning for large groups or events
You can book directly through our website at www.floridaisland.com or contact us via phone/email for availability and pricing. We recommend booking 6-12 months in advance for peak season (December-May) and weddings.
All rentals at East Sister Rock Island require a 7-night minimum stay, typically from Saturday to Saturday. This allows guests to fully enjoy a private island experience in the Florida Keys and take advantage of everything the property has to offer.
For weddings and special events, we offer curated 3-day packages (setup day, event day, and breakdown day). For custom stays, flexible dates, or special arrangements, please contact us directly.
Weekly rental rates for East Sister Rock Island, a private luxury island in the Florida Keys, are as follows:
All rates are based on 7-night stays (Saturday to Saturday) and include boat transportation, utilities, high-speed WiFi, linens, and full access to all island amenities.
For custom quotes, extended stays, or tailored vacation, wedding, or event packages, please contact us directly.
Our cancellation policy for private island rentals in the Florida Keys varies based on the season and length of your stay. General guidelines are as follows:
60+ days before arrival: Full refund minus deposit
1–59 days before arrival: no refund
For weddings, events, and group bookings at East Sister Rock Island, custom cancellation terms may apply. We recommend contacting us directly for detailed policies and to explore travel insurance options.
We understand that travel plans can change and will work with guests whenever possible to accommodate adjustments.
Yes — we offer exclusive discounts for last-minute private island rentals and off-season stays in the Florida Keys (September through November, excluding holidays).
First-time guests can also receive 5% off when signing up for our newsletter.
For the best available rates, custom packages, and limited-time offers at East Sister Rock Island, please contact us directly.
Yes — East Sister Rock Island is a pet-friendly private island rental in the Florida Keys. We welcome well-behaved pets and charge a $350 fee per pet to cover additional cleaning.
Please notify us in advance if you plan to bring a pet so we can prepare accordingly. For safety, pets should be supervised at all times, especially around the pool and waterfront areas.
East Sister Rock Island is located just a quarter mile off the coast of Marathon in the Florida Keys and is accessible only by boat or helicopter.
Guests are provided a complimentary boat for transportation to and from the island throughout their stay. The boat transfer takes approximately 5 minutes, offering quick and convenient access while maintaining complete privacy and seclusion.
Yes — every stay at East Sister Rock Island includes a 21-foot Carolina Skiff for your exclusive use, giving you the freedom to travel to and from your private island in the Florida Keys at your convenience.
During check-in, we provide a brief, hands-on orientation, making the boat easy to operate — even for first-time boaters. Enjoy seamless access to Marathon and the surrounding Florida Keys while maintaining total privacy on your own island.
East Sister Rock Island is located just 5 minutes from the mainland dock in Marathon, Florida, with typically calm and protected waters for a smooth and easy boat ride.
Our private mainland docking and parking area is located in Marathon Florida Keys, providing convenient access to East Sister Rock Island.
The exact address, directions, and arrival instructions will be provided in your reservation confirmation to ensure a smooth check-in and transfer to the island.
Your experience begins in Marathon, Florida Keys, where our property manager will greet you at the mainland dock. They will provide a boat orientation, assist with transportation to the island, and guide you through a full property tour upon arrival.
Check-in typically takes 30–45 minutes, ensuring you feel comfortable and confident navigating the island and its amenities.
Throughout your stay, our property manager remains available for any questions or assistance, helping ensure a seamless and stress-free private island experience.
East Sister Rock Island, located near Marathon in the Florida Keys, is accessible from several nearby airports:
Marathon International Airport (MTH)
-Approximately 7 minutes from our mainland dock in Marathon Shores
-Accommodates private and charter aircraft
-Car rentals available
Key West International Airport (EYW)
-About 52 miles south (approximately 1 hour drive)
-Commercial flights available
Miami International Airport (MIA)
-About 109 miles north (approximately 2.5–3 hour drive)
-Major international hub with the most flight options
Fort Lauderdale-Hollywood International Airport (FLL)
-About 135 miles north (approximately 3–3.5 hour drive)
Shuttle and private transportation services are available from Miami and Fort Lauderdale to Marathon, Florida, providing convenient access to your private island stay.
Yes — East Sister Rock Island features a private helicopter landing pad, allowing for direct arrivals to the island.
Guests can charter helicopter transfers from Miami, Fort Lauderdale, or Key West to the Florida Keys, and we’re happy to provide trusted charter recommendations and coordinate arrival times for a seamless experience.
This is a truly unique and unforgettable way to arrive — perfect for weddings, special occasions, and luxury private island experiences.
No — guests do not need to bring their own boat. A complimentary boat is provided for transportation to and from East Sister Rock Island throughout your stay in the Florida Keys.
At check-in, our property manager will guide you through safe operation, navigation, and docking, and will assist with transporting luggage and supplies to the island. This ensures a smooth, stress-free arrival and easy access to the mainland during your stay.
Absolutely — East Sister Rock Island features a 100-foot private dock with space to accommodate multiple vessels.
Guests are welcome to bring and dock their own boat during their stay in the Florida Keys. For optimal access and maneuverability, we recommend vessels under 40 feet in length.
East Sister Rock Island is centrally located in the Florida Keys, just off the coast of Marathon, offering convenient access to both Key West and Miami:
-From Key West: Approximately 50 miles (about 1 hour drive to Marathon)
-From Miami: Approximately 110 miles (about 2.5–3 hour drive to Marathon)
-From Marathon (mainland dock): Approximately 0.5 miles (about 5 minutes by boat)
Located in the heart of the Florida Keys, East Sister Rock Island provides the perfect balance — close enough for easy day trips to Key West and Miami, yet private and secluded for a true luxury island experience.
East Sister Rock Island, a private island rental in the Florida Keys, comfortably accommodates up to 12 overnight guests, with additional capacity for events:
Main House (Sleeps 8 Guests):
-1 King bed
-3 Queen beds
-Sleeper sofa in the living room
-Hammocks throughout the veranda for relaxing
Guest House Add-On (Sleeps 4 Additional Guests):
-2 Queen beds
-Sleeper sofa
-Private kitchen and bathroom
Total Overnight Capacity: Up to 12 guests (8 in the main house + 4 in the guest house)
For weddings, events, and private gatherings, the island can host up to 75 guests.
Your stay at East Sister Rock Island, a private luxury island rental in the Florida Keys, includes full access to the main house and a wide range of premium indoor and outdoor amenities:
Main House:
-3 bedrooms, 2 bathrooms
-Fully equipped modern kitchen (appliances, cookware, utensils, coffee maker)
-Spacious living room with large-screen TV
-Indoor and outdoor dining areas
-Air conditioning throughout
-High-speed WiFi and streaming services
-Linens, bath towels, and beach towels provided
-Laundry room with washer and dryer
Outdoor Amenities:
-Private pool
-Wraparound porch with seating and lounging areas
-Outdoor dining spaces
-Billiards table
-100-foot private boat dock
-Private helicopter landing pad
-Kayaks and paddleboards
-Basic snorkeling gear
-Basic fishing equipment (tickle stick and net available upon request)
-Outdoor shower
-Hammocks throughout the property
-BBQ grill
Yes — a private guest house is available as an add-on for $3,500 per week, ideal for larger groups, wedding parties, or guests seeking additional privacy during their stay in the Florida Keys.
This 700-square-foot guest house comfortably accommodates up to 4 additional guests and includes:
-2 Queen beds
-Sleeper sofa
-Full kitchen
-Private bathroom
-Separate outdoor space
The guest house provides added comfort and flexibility while maintaining the exclusive, private island experience at East Sister Rock Island.
Yes — your stay at East Sister Rock Island, a private island rental in the Florida Keys, includes all bed linens, bath towels, beach towels, and kitchen towels.
The home is fully stocked with essential items to ensure a comfortable and seamless arrival, so you can begin enjoying your private island experience right away.
Yes — East Sister Rock Island is equipped with high-speed Starlink WiFi, providing reliable internet coverage throughout the entire property.
Whether you're working remotely from the Florida Keys, streaming content, or staying connected with friends and family, you’ll have fast and dependable service across the island.
Yes — both the main house and guest house at East Sister Rock Island are fully air-conditioned, with energy-efficient mini-split systems in each bedroom and the main living areas.
Guests can also enjoy the natural ocean breeze from the wraparound porch and outdoor spaces, enhancing the comfort of your private island stay in the Florida Keys.
While East Sister Rock Island, a private island rental in the Florida Keys, is fully equipped with essential amenities, we recommend bringing the following items to enhance your stay:
-Food & beverages: The island features a full kitchen, but guests should bring all groceries and drinks
-Sunscreen & insect repellent
-Swimwear & beach gear
-Fishing & snorkeling gear: Basic equipment is provided, but feel free to bring your own preferred gear
-Water shoes: We provide a limited selection, but bringing your own is recommended for best fit and comfort
-Medications & personal items
-Boat fuel: Only if you plan to bring your own vessel
-Entertainment: Books, games, music, or personal devices
-Light jacket or sweater: Evenings can be breezy, especially during winter months
Yes — we offer optional grocery stocking services for guests staying at East Sister Rock Island for a $200 service fee.
Guests can place orders through services like Instacart or Publix delivery to our mainland dock in Marathon, Florida Keys, and our team will coordinate pickup and stock the kitchen prior to your arrival.
You are also welcome to shop for groceries yourself and bring them to the island — transportation is quick and easy. For an elevated experience, we can also help coordinate a private chef during your stay.
East Sister Rock Island, a private island in the Florida Keys near Marathon, offers a wide range of on-island experiences and nearby adventures:
Water Activities on the Island:
-Snorkeling in the island’s natural protected moat (coral rock formation)
-Kayaking and paddleboarding
-Fishing from the dock or by boat
-Swimming in the private pool
-Boating to nearby reefs and sandbars
On-Island Experiences:
-Billiards (pool table)
-Sunbathing and relaxing by the pool
-Outdoor dining and entertaining
-Stargazing with minimal light pollution
-Helicopter tours (available upon request)
Nearby Florida Keys Adventures:
-Snorkeling and diving at Sombrero Reef (approximately 10 minutes by boat)
-Deep-sea fishing charters
-Dolphin encounters and eco-tours
-Day trips to Key West
-Scenic views along the Seven Mile Bridge
-Visiting the Turtle Hospital in Marathon
-FlowRider surfing experience in Marathon
Yes — East Sister Rock Island is surrounded by a natural fossilized coral reef that forms a protected moat, making it ideal for snorkeling right off your private island in the Florida Keys.
Guests can explore calm, clear waters and often see tropical fish, lobsters (in season), dolphins, and other marine lifejust steps from the island.
For world-class snorkeling and diving, Sombrero Reef — one of the most popular reef systems in the Florida Keys — is located just 10 minutes away by boat.
Absolutely — East Sister Rock Island, a private island built on a natural coral reef in the Florida Keys, offers excellent on-site fishing opportunities right from the property.
Guests can fish from multiple locations around the island, including:
-The main dock
-The moat dock
-The helipad area
-The outer ring of rocks surrounding the island (prime reef fishing spots)
Common catches in the area include snapper, yellowtail, grouper, snook, and tarpon, making it a great destination for both casual and experienced anglers.
We provide basic fishing gear for guest use. For the best experience, serious anglers may prefer to bring their own equipment.
Yes — East Sister Rock Island features a private pool with seating and lounge areas, offering the perfect place to relax during your stay in the Florida Keys.
Cool off after a day on the water or unwind with a drink at sunset while enjoying the island’s private, oceanfront setting.
Yes — guests are welcome to bring jet skis, kayaks, and other personal watercraft to East Sister Rock Island.
The property features a 100-foot private dock in the Florida Keys with space to accommodate multiple vessels. Please let us know in advance so we can coordinate docking and ensure a smooth arrival experience.
Yes — guests at East Sister Rock Island, a private island rental in the Florida Keys, have access to a variety of complimentary water sports equipment, including:
-Kayaks
-Paddleboards
-Snorkeling gear (masks and fins)
-Basic fishing equipment
If you have specific preferences or require specialized gear, we recommend bringing your own equipment to enhance your experience.
Yes — guests can easily arrange a variety of boat charters and excursions in the Florida Keys directly from East Sister Rock Island.
We can assist with coordinating trusted local providers for:
-Deep-sea fishing charters
-Snorkeling and diving trips to Sombrero Reef
-Sandbar and sunset cruises
-Dolphin watching tours
-Key West day trips
We recommend contacting us in advance so we can provide curated charter recommendations and help plan your experience during your stay in Marathon and the surrounding Florida Keys.
Yes — East Sister Rock Island is a licensed private island wedding venue in the Florida Keys, offering one of the most unique ceremony and reception settings in Florida.
Imagine saying “I do” on your own private island, surrounded by 360-degree ocean views, breathtaking sunsets, and complete privacy for you and your guests. It’s a truly unforgettable destination wedding experience near Marathon in the Florida Keys.
East Sister Rock Island, a private island wedding venue in the Florida Keys near Marathon, can host up to 60 guests for a wedding ceremony and reception.
For overnight accommodations, the island comfortably sleeps up to 12 guests total — 8 in the main house and 4 in the guest house.
Additional wedding guests can stay at nearby hotels and vacation rentals in Marathon, Florida, located just 5–10 minutes from the mainland dock.
Wedding packages at East Sister Rock Island, a private island wedding venue in the Florida Keys, start at $19,500.
Base Wedding Package Includes:
-3-day private island rental (setup day, wedding day, and breakdown day)
-Overnight accommodations for up to 12 guests (8 in the main house + 4 in the guest house)
-Exclusive use of the entire island for your wedding
-35 passenger Boat transportation with captain for all wedding guests to and from the mainland in Marathon
Wedding coordination and logistics
-Wedding arch for ceremony
-Coordination of hotel transportation (taxi/shuttle services)
Additional Services (Coordinated Separately):
Catering, photography, videography, floral design, music/DJ, table/settings/decor, helicopter arrival, and other custom enhancements are not included in the base package.
For a personalized quote based on your guest count, event size, and specific vision, please contact us directly.
View our wedding page for more details.
Wedding packages at East Sister Rock Island, a private island wedding venue in the Florida Keys, are fully customizable based on your vision and guest count. Typical inclusions include:
Included with Your Wedding Rental:
-Exclusive use of the entire private island for your event
-Multiple ceremony locations throughout the property
-Reception spaces (outdoor patio, poolside, and dock areas)
-Boat transportation for guests to and from the mainland in Marathon
Wedding coordination & logistics
-Overnight accommodations for the couple and select guests
-Vendor coordination and on-site logistics support
-Wedding arch for ceremony setup
-Assistance coordinating hotel transportation (taxi/shuttle services)
Additional Services (Coordinated Separately):
-Wedding planner or day-of coordinator
-Catering and bar services
-Photography and videography
-Floral design and décor
-Music, DJ, or live band
-Officiant services
-Helicopter arrival or departure for the couple
-Fireworks experiences
-Table, settings, & decor setup
View our wedding page for more details.
Absolutely — many couples choose to host a multi-day wedding weekend in the Florida Keys at East Sister Rock Island, typically from Thursday through Sunday.
This allows you to plan a full itinerary, including a welcome dinner, rehearsal dinner, wedding ceremony and reception, and a farewell brunch — all in one private island setting.
It creates a true destination wedding experience, where your closest family and friends can stay together and celebrate across multiple days in an exclusive, oceanfront environment.
Yes — you are welcome to bring your own wedding planner, caterer, photographer, florist, and other event vendorsto East Sister Rock Island in the Florida Keys.
We can also provide recommendations for trusted, Keys-based vendors we’ve worked with in the past.
All vendors must be approved in advance, follow island guidelines, and provide a valid certificate of liability insurance prior to the event.
Florida Keys weather is beautiful year-round, but we always have a reliable backup plan in place for your event at East Sister Rock Island.
The main house features spacious indoor areas and a wraparound covered porch, both of which can comfortably accommodate ceremonies and receptions in the event of rain. Many couples also choose late afternoon or sunset ceremonies to avoid midday heat and take advantage of cooler temperatures.
For additional coverage, event tents can be arranged for an additional fee, providing extra flexibility and peace of mind for your special day.
Yes — many couples choose to host their rehearsal dinner on East Sister Rock Island in the Florida Keys.
It’s a perfect way to gather close family and friends in an intimate, private island setting before the wedding day. The secluded atmosphere and waterfront views create a memorable and relaxed experience leading into your celebration.
Yes — we offer intimate elopement packages in the Florida Keys at East Sister Rock Island, perfect for couples seeking a private and unforgettable setting.
These packages are ideal for just the two of you or small groups of up to 10 guests, allowing you to enjoy the same breathtaking private island experience without the complexity of a large event.
Yes — East Sister Rock Island is a family-friendly private island rental in the Florida Keys, offering a fun and unique experience for guests of all ages.
Children especially enjoy the adventure of island living, including swimming in the pool, snorkeling, kayaking, and exploring the property. The island is naturally enclosed by a rock wall boundary, creating a sense of privacy and security.
As with any waterfront property, adult supervision is recommended for young children, particularly around the pool and ocean areas.
At this time, East Sister Rock Island is not fully wheelchair accessible. Due to the island’s natural terrain, boat-only access, and the multi-level design of the main house, it may be challenging for guests with limited mobility.
That said, we have previously hosted guests with accessibility needs and can assist with check-in and check-out logisticsto help ensure a smoother arrival and departure experience.
We apologize for any inconvenience and are happy to recommend accessible vacation rental options in the Florida Keys if needed.
Cell service is generally reliable at East Sister Rock Island in the Florida Keys, though coverage can vary by carrier. Verizon and AT&T typically offer the strongest signal in the area.
For added convenience, high-speed WiFi is available throughout the main house and guest house, allowing guests to make calls, send texts, and stay connected during their stay.
Yes — East Sister Rock Island is powered by a fully integrated off-grid energy system, ensuring reliable electricity throughout your stay in the Florida Keys.
The system includes:
-Wind and solar power generation
-A 100kW lithium battery bank for energy storage
-A 21kW diesel generator for backup power
This advanced setup provides uninterrupted power for air conditioning, high-speed WiFi, kitchen appliances, and all modern amenities — even during storms or extended cloudy periods.
Guest safety is our top priority at East Sister Rock Island in the Florida Keys. Passing summer storms are typically brief and can even be an enjoyable part of the island experience.
In the event of severe weather, such as a hurricane, we closely monitor all forecasts well in advance. If the City of Marathon issues a state of emergency, guests will have the option to reschedule their stay or receive a refund.
We are committed to keeping guests informed and ensuring a safe, smooth experience regardless of weather conditions.
The Atlantic hurricane season runs from June 1 through November 30, with peak activity typically occurring between August and October.
While East Sister Rock Island is located in the Florida Keys, the region has a strong track record of avoiding direct hurricane impacts, and many storms pass offshore. We closely monitor all weather conditions and prioritize guest safety at all times.
Yes — smoking is permitted outdoors only at East Sister Rock Island, a private island rental in the Florida Keys.
To help maintain clean and comfortable outdoor living spaces, smoking is not allowed on the covered wraparound porch or veranda. Guests are kindly asked to use designated outdoor areas and dispose of cigarette butts properly.
No — as a private island rental in the Florida Keys, East Sister Rock Island offers complete privacy with no nearby neighbors or local noise restrictions.
Guests are free to enjoy music, celebrations, and events without typical noise limitations, making it an ideal setting for weddings, gatherings, and special occasions.
Yes — a basic first aid kit is provided in the main house at East Sister Rock Island for minor needs.
For medical care, Marathon, Florida offers nearby hospitals and urgent care facilities on the mainland. In the event of an emergency, access typically takes approximately 5 minutes by boat to the dock plus a 10-minute drive to local medical services.
No problem — guests at East Sister Rock Island have full flexibility to come and go as needed. A complimentary boat is provided for transportation to and from the island throughout your stay in the Florida Keys.
You’re free to use the boat at your convenience for quick trips to Marathon and the mainland. Please note, the boat is intended for transportation purposes only and not for recreational use.
Marathon, located in the heart of the Florida Keys near East Sister Rock Island, offers a wide range of activities, attractions, and local experiences:
-Sombrero Beach: One of the best public beaches in the Florida Keys, known for its family-friendly setting and beautiful shoreline
-The Turtle Hospital: A popular rescue and rehabilitation center, great for families and educational visits
-Crane Point Museum & Nature Center: Nature trails, wildlife, and local history exhibits
-Seven Mile Bridge: An iconic scenic drive and one of the most photographed landmarks in the Keys
-Restaurants & bars: Fresh seafood, waterfront dining, and live music throughout Marathon
-Fishing charters & water sports: World-class fishing, snorkeling, diving, and boating
-Shopping & local galleries: Unique boutiques, art, and island-style souvenirs
For more recommendations, visit our Attractions page, and for curated experiences, private chefs, charters, and add-on services, explore our Services page.
Key West is located approximately 50 miles from East Sister Rock Island, or about a 1-hour drive from Marathon in the Florida Keys.
It’s a popular day trip for guests who want to explore Duval Street, visit the Ernest Hemingway Home and Museum, enjoy sunset at Mallory Square, or experience Key West’s vibrant nightlife.
East Sister Rock Island, located near Marathon in the Florida Keys, is surrounded by some of the best snorkeling and diving reefs in the region, all easily accessible by boat:
-Sombrero Reef (approx. 10 minutes by boat): One of the most popular dive and snorkeling sites in the Florida Keys, known for vibrant coral formations and abundant marine life
-Coffins Patch (approx. 20 minutes by boat): A shallow reef system ideal for snorkeling, with clear waters and diverse sea life
-Looe Key (approx. 30 minutes by boat): A pristine reef within the Florida Keys National Marine Sanctuary, famous for its crystal-clear water and exceptional diving conditions
These nearby reefs make East Sister Rock Island an ideal base for exploring the underwater beauty of the Florida Keys.
Yes — East Sister Rock Island is located near Marathon in the Florida Keys, where you’ll find a variety of grocery stores, seafood markets, and restaurants just minutes away.
Nearby options include Publix, Winn-Dixie, local seafood markets, and dozens of casual and fine dining restaurants. The mainland dock is conveniently located just 5–10 minutes from shopping and dining.
Many guests choose to stock up on groceries before heading to the island, or we can assist with coordinating grocery delivery to the dock prior to your arrival.
For more local recommendations, please visit our Attractions page.
Absolutely — East Sister Rock Island’s central location near Marathon in the Florida Keys makes it easy to explore nearby destinations:
-Key Largo (approx. 1.5 hours north): Home to John Pennekamp Coral Reef State Park, known for snorkeling and diving
-Islamorada (approx. 30 minutes north): The “Sport Fishing Capital of the World,” with great restaurants and waterfront bars
-Big Pine Key (approx. 40 minutes south): Visit the National Key Deer Refuge and see the famous Key deer
-Key West (approx. 1 hour south): Historic downtown, beaches, nightlife, and iconic attractions
This prime location allows guests to enjoy the privacy of a secluded island while still having easy access to the best experiences throughout the Florida Keys.
East Sister Rock Island, located in the Florida Keys near Marathon, is a year-round destination. The best time to visit depends on your preferences for weather, activities, and pricing:
Peak Season (December–April):
Sunny, cooler, and dry weather — ideal for a perfect private island getaway. This is the most popular time to visit, so advance booking is recommended.
Summer Season (May–August):
Warm and humid with consistent ocean breezes and occasional brief afternoon storms. This is a great time for fishing, diving, and water activities, with popular local events such as lobster season, fishing tournaments, and July 4th celebrations at Sombrero Beach(Front row seats from the island).
Off-Season (September–November):
Typically quieter with lower rates and fewer crowds. While it coincides with hurricane season, many guests enjoy excellent weather and a more relaxed, private experience
Yes — the Florida Keys offer warm ocean temperatures year-round, making East Sister Rock Island ideal for swimming, snorkeling, and water activities in every season:
-Winter (December–February): 70–75°F
-Spring (March–May): 75–80°F
-Summer (June–August): 85–88°F
-Fall (September–November): 80–85°F
With consistently warm waters near Marathon in the Florida Keys, guests can comfortably enjoy the ocean at any time of year.
East Sister Rock Island, located in the Florida Keys near Marathon, is surrounded by diverse and vibrant wildlife both on land and in the water.
Marine Life:
-Tropical fish
-Sea turtles
-Dolphins
-Rays
-Nurse sharks
-Lobsters (in season)
Birdlife:
-Pelicans
-Herons and egrets
-Ospreys
-Frigatebirds
Land Wildlife:
-Iguanas
-Geckos
-Land crabs
The island’s natural rock moat and surrounding coral reef create an ideal environment for snorkeling and observing marine life up close, making it a unique experience for nature lovers and outdoor enthusiasts.
Contact us today to learn more about your private island experience
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