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$4,650,000
Monthly Est:$23,145
3 Beds
- 3 Baths
3 full baths
4,687sqft
3742 Seagrape St, Big Pine Key, FL 33043
$4,650,000
$23,145/moEst:
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Single Family Residence
Built in 2014
$-- HOA
17,424 sqft lot
$992/sq.ft
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.
- Houzeo last checked: 1 hour ago
- Listing updated: October 31, 2026 at 12:19 am
- Listing Provided by: Jo Ann Cook DRE #3330898 | Ocean Sotheby's International (305) 735-4095
- Source: Beaches MLS-FL | MLS#: A11877495

Property Details
Status
Active
Type
Single Family Residence
No. of Stories
2
County
City
Neighborhood
--
Year Built
2014
HOA Fees
-
Finished Area
4,687 sqft
Lot Size
17,424 sqft lot
Basement Area
- sqft
MLS Name
Beaches MLS
MLS Number
A11877495
MLS Status
Active
Days on Market
417
Cumulative Days on Market
550

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Location
Facts & Features
Rooms
Bedrooms & bathrooms
Bedrooms: 3
Bathrooms: 3
Interior
Exterior Features
Balcony, Lighting, Outdoor Living Area
Appliances
Dishwasher, Electric Water Heater, Disposal, Microwave
Cooling
Central Air
Flooring
Tile
Sewer
Public Sewer
Interior Features
Built In Features, Bathtub, Closet Cabinetry, Elevator, Kitchen Island, Main Level Primary, Multiple En Suite Bathrooms, Soaking Tub, Separate Shower, Upper Level Primary
Heating
Central
Construction
Year Built
Year Built: 2014
Home type
Single Family Residence
Roof
Concrete
Construction Materials
Cbs Concrete Block Structure, Block
Utilities & Energy
Parking Features
Attached Carport, Circular Driveway, Covered, Carport, Driveway, Golf Cart Garage, Guest, Paver Block
Utilities
Cable Available
Association Amenities
None
Pool Features
Concrete, Heated, In Ground
Water Source
Public
Other Features
Patio And Porch Features
Open, Balcony
Subdivision Name
Port Pine Heights 2nd Add
Lot Features
One To Two Acres
Price History
| Date | Event | Price |
|---|---|---|
08/09/2026 Source: | Off Market | $4,650,000 $992/sqft |
08/09/2026 Source: | Listed for Sale | $4,650,000 -13.73% $992/sqft |
03/03/2026 Source: #A11877495 | Price Decreased | $5,390,000 -8.64% $1,150/sqft |
02/02/2026 Source: #A11877495 | Price Decreased | $5,900,000 -8.53% $1,259/sqft |
09/12/2025 Source: #A11877495 | Listed for Sale | $6,450,000 +19.67% $1,376/sqft |
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