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Virtual Tour
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$5,390,000

For Sale

13 days ago

3742 Seagrape St, Big Pine Key, FL

House

MLS® A11877495

3 Bed

3 Bath

4687 sqft

4 Parking

  • Key Facts
  • Description
  • Map

Key Facts

Type Single Family Residence
Levels Residential
Size 4687 sqft
Garage Yes
Taxes $28,079
Days Active 12
Lot Size 0.4 Acres
Approx. Age 2014
Avg. Price Per Sqft $1,149
MLS® Number A11877495

Property Address: 3742 Seagrape St, Big Pine Key, FL, 33043-6115

Average square foot calculated using Size range provided by listing agent.

Description

Escape to “The Castle”, a luxurious gated Gulf-front estate spanning 1.14 acres on Big Pine Key. Built in 2014 with poured concrete, impact windows/doors, elevator, and generator, this 4, 600+ sq. ft. masterpiece offers 3 bedrooms, 3 baths, and breathtaking Gulf views. Boaters enjoy 235’ of dockage: 140’ protected canal dock with lift, ramp, and slip, plus 95’ open-water pier dock with lift and seawall. Inside, a chef’s kitchen with 10.5’ island, dual sinks, Jenn-Air gas range, and wood cabinetry flows to a grand family room, theater, and rooftop deck. The top-floor primary suite boasts water views, office, lounge, spa bath, and custom closet. Outside, a resort-style pool with spa, heater/chiller, and LED lighting completes this rare Florida Keys retreat.
MLS® NumberA11877495
Laundry Level
Central VacNo
FireplaceNo
Acreage
Exterior
GarageYes
Approx. Age2014
Basement
DrivewayAttached Carport, Circular Driveway, Covered, Carport, Driveway, Golf Cart Garage, Guest, Paver Block
Garage Spaces
HeatCentral
A/CCentral Air

Extras

Price History

-End Date
Not Sold YetSold Price

For Sale

Jun 9, 2026List Date
$5,390,000List Price
  • Commute

Commute

Starting Address
Destination Address
3742 Seagrape St, Big Pine Key, FL

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