$4,650,000
3742 Seagrape St
Big Pine, FL, 33043
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.
Property Details
Price:
$4,650,000
MLS #:
A11877495
Status:
Active
Beds:
3
Baths:
3
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
PORT PINE HEIGHTS 2ND ADD
Neighborhood:
portpineheights2ndadd
Listed Date:
Apr 28, 2025
Finished Sq Ft:
4,687
Year Built:
2014
Schools
Interior
Appliances
Dishwasher, Disposal, Electric Water Heater, Microwave
Bathrooms
3 Full Bathrooms
Cooling
Central Air
Flooring
Tile
Heating
Central
Interior Features
Second Floor Entry, Built-in Features, Closet Cabinetry, Cooking Island, Elevator, Family Room, Media Room, Utility Room/Laundry
Laundry Features
Utility Room/Laundry
Exterior
Architectural Style
Detached, Two Story
Community Features
None
Construction Materials
Concrete Block Construction, CBS Construction, Elevated Construction
Covered Spaces
8
Direction Faces
North
Exterior Features
Lighting, Open Balcony
Garage Spaces
4
Lot Features
1 To Less Than 2 Acre Lot
Open Parking YN
1
Parking Features
Attached Carport, Additional Spaces Available, Circular Driveway, Covered, Driveway, Golf Cart Parking, Guest, Other, Paver Block
Patio And Porch Features
Open Balcony
Roof
Concrete
View
Bay, Water
Waterfront Features
Ocean Access, Canal Width 81-120 Feet, Seawall
Window Features
Clear Impact Glass
Financial
Tax Year
2024
Taxes
$28,079
Mortgage Calculator
Map
Current real estate data for Single Family in Big Pine as of Aug 25, 2026
17
Single Family Listed
150
Avg DOM
974
Avg $ / SqFt
$1,608,647
Avg List Price
Community
- Address3742 Seagrape St Big Pine FL
- SubdivisionPORT PINE HEIGHTS 2ND ADD
- CityBig Pine
- CountyMonroe County
- Zip Code33043
Subdivisions in Big Pine
Similar Listings Nearby
Property Summary
- Located in the PORT PINE HEIGHTS 2ND ADD subdivision, 3742 Seagrape St Big Pine FL is a Single Family for sale in Big Pine, FL, 33043. It is listed for $4,650,000 and features 3 beds, 3 baths, and has approximately 4,687 square feet of living space, and was originally constructed in 2014. The current price per square foot is $992. The average price per square foot for Single Family listings in Big Pine is $974. The average listing price for Single Family in Big Pine is $1,608,647.
3742 Seagrape St
Big Pine, FL