Description

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.

Address

Open on Google Maps

Address: Ocean
City: Marathon
State/county: Monroe
Zip/Postal Code: 33050

Details

Updated on July 24, 2026 at 5:55 am

Property ID A12037474
Price $16,000,000
Property Size 2304 Sq Ft
Land Area 0.03 Sq Ft
Bedrooms 4
Bathrooms 3
Garage 0
Year Built 1980
Type Single Family Residence
Property Status Residential

Additional details

AssociationAmenities Gated
AssociationFee 500
AssociationFeeFrequency Annually
BathroomsFull 3
CLIP 3257490129
CarportSpaces 4
CommunityFeatures Home Owners Association, Street Lights
ConstructionMaterials Block
ContractStatusChangeDate 2026-07-24
Cooling Central Air, Wall/Window Unit(s)
CoveredSpaces 4
CumulativeDaysOnMarket 38
CurrentPrice 16000000
DaysOnMarket 38
DaysOnMarketReplication 38
DaysOnMarketReplicationDate 2026-07-24
DaysOnMarketReplicationIncreasingYN 1
DirectionFaces North
DocumentsCount 0
Electric Circuit Breakers
ElementarySchool Stanley Switlik
EntryLevel 1
Flooring Vinyl
FrontageLength 500.00
FrontageType Waterfront
Furnished Furnished
GreenEnergyEfficient Appliances, Construction, Doors, HVAC, Water Heater
Heating Central, Wall Furnace
HighSchool Coral Shores
InternetAddressDisplayYN 1
InternetEntireListingDisplayYN 1
Levels One
ListAOR Miami REALTORS
ListAgentAOR Miami Association of REALTORS
ListAgentDirectPhone 786-863-4866
ListAgentEmail pantherinvestmentsllc@gmail.com
ListAgentFirstName Wesley
ListAgentFullName Wesley Williford
ListAgentKey 26707100
ListAgentKeyNumeric 26707100
ListAgentLastName Williford
ListAgentMlsId SEF3367862
ListAgentNationalAssociationId 279609315
ListAgentOfficePhone 305-503-3998
ListAgentPreferredPhone 786-863-4866
ListAgentStateLicense 3367862
ListOfficeAOR Miami Association of REALTORS
ListOfficeEmail info@franktaylorre.com
ListOfficeKey 5902991
ListOfficeKeyNumeric 5902991
ListOfficeMlsId SEFFKTR01
ListOfficeName Frank Taylor Real Estate Inc
ListOfficePhone 305-503-3998
ListingAgreement Exclusive Right To Sell
ListingContractDate 2026-06-15
ListingKey 1175092365
ListingKeyNumeric 1175092365
ListingTerms Assumable, Cash, Conventional, Cryptocurrency, Owner Will Carry
LotFeatures 1-2 Acres
LotSizeArea 1334
LotSizeDimensions 1.25
MLSAreaMajor 5940 - Other Florida County
MajorChangeTimestamp July 24, 2026 at 01:15am
MajorChangeType Back On Market
MapCoordinateSource Imported
MiddleOrJuniorSchool Marathon
MlsStatus Active
MobileDimUnits Feet
ModificationTimestamp July 24, 2026 at 04:33am
OccupantType Call Agent
OnMarketDate 2026-07-24
OnMarketTimestamp 2026-07-24T00:00:00.000-00:00
OpenHouseModificationTimestamp 2026-07-24T00:31:40.580-00:00
OriginalEntryTimestamp June 18, 2026 at 11:27am
OriginalListPrice 16000000
OriginatingSystemID M00000151
OriginatingSystemKey 607927152
OriginatingSystemListAgentMemberKey 1191788
OriginatingSystemListOfficeKey 1258592
OriginatingSystemModificationTimestamp 2026-07-24T00:31:40.580-00:00
OriginatingSystemName BEACH
OriginatingSystemSubName BEACH_MIAMI
OtherEquipment Fuel Tank(s), Satellite Dish
OtherParking CarportSpaces:4.00
OtherStructures Outbuilding
ParcelNumber 00104670000401
ParkingFeatures Driveway
PatioAndPorchFeatures Deck, Porch, Wrap Around
Permission IDX
PetsAllowed Yes
PhotosChangeTimestamp July 24, 2026 at 04:33am
PhotosCount 42
PoolFeatures Fiberglass, In Ground
Possession Close Of Escrow, Negotiable
PostalCity Marathon
PostalCode 33050
PostalCodePlus4 2551
PropertyCondition Updated/Remodeled
PropertySubTypeAdditional Single Family Residence
RoadFrontageType Private Road
RoadSurfaceType Paved
Roof Aluminum
RoomType Dining Room, Florida Room
SecurityFeatures Fire Alarm, Smoke Detector(s)
Sewer Septic Tank
SourceSystemID TRESTLE
SourceSystemKey 1175092365
SourceSystemName flexmls
SpaFeatures Fiberglass
SpecialListingConditions Listed As-Is
StateOrProvince FL
StatusChangeTimestamp July 24, 2026 at 01:15am
Stories 1
StoriesTotal 1
StreetDirPrefix E
StreetDirSuffix E
StreetName Ocean
StreetNumber 99
StreetNumberNumeric 99
SubdivisionName Ocean E
TaxAnnualAmount 16899
TaxLegalDescription 14 66 32 BOOT KEY (AKA UNRECORDED OCEAN EAST INC REV SURVEY 4-14-75 PT LOT 1) OR555-203 OR589-894 OR772-1173 OR983-1569 OR1364-739 OR1547-23
TaxYear 2025
UniversalPropertyId US-12087-N-00104670000401-R-N
Utilities Cable Not Available
VideosChangeTimestamp 2026-07-24T04:33:33.647-00:00
VideosCount 0
View Ocean, Water
WaterSource Other
WaterfrontFeatures No Fixed Bridges, Ocean Front
Zoning is