3742 Seagrape Street Big Pine, FL 33043
Escape to ''The Castle'', a luxurious gated Gulf-front estate rarely spanning 1.14 acres on Big Pine Key. This extraordinary retreat is a graceful blend of architectural grandeur and coastal charm, thoughtfully designed for both relaxation and recreation. Boaters will delight in an unparalleled offering of 235 feet of dockage total: 140 feet of protected canal-front dockage featuring a 15,000 lb lift, cut-in slip, boat ramp, plus a 95-foot open water pier-style dock with additional 15,000 lb lift and cut-in slip, set against a 130-foot concrete seawall for secure, convenient access. Crafted in 2014 with solid poured concrete, impact-rated windows and doors, whole home generator and elevator, the home is built for enduring elegance. With over 4,600 square feet of refined interior space, this 3-bedroom, 3-bathroom estate is an architect's masterpiece with its stately presence, curved openings, and striking double staircase. Step inside to a breathtaking panorama of endless open Gulf waters and nightly sunset performances. The chef's kitchen is a dream for entertaining, featuring 10.5-foot island with seating for 8, dual sinks, refrigerators, and ovens, plus Jenn-Air 6-burner gas cooktop with pot filler, and rich wood cabinetry. Enjoy the grand family room with Gulf views, host movie nights in the private theater, or dine al-fresco under the stars. Nearby, find the full-size laundry room and storage. The top-floor primary suite is a sanctuary, offering sweeping water views, home office, private lounge with kitchenette, spa-like bath with clawfoot tub, tiled shower and generous walk-in closet with additional laundry. Outside, the resort-style pool beckons with a spa, water features, LED lighting, plus heater and chiller. Rooftop deck with 180-degree views, and unrivaled sunsets await. Offered fully furnished, this is ultimate Keys living without compromise!
Berkshire Hathaway HomeServices
Keys Real Estate | Knight & Gardner Realty
property details
Interior Features
Stainless Steel Appliance(s)
Disposal
Microwave
Oven
Refrigerator
Dishwasher
Dryer
Exterior Features
Carport
Covered
Guest
Open
RV Access/Parking
Utility & Building Info
Price History
| date | event | price | source |
|---|---|---|---|
|
10/05/2026
10/05/2026
|
Active |
$4,450,000
|
Florida Keys/Marathon MLS |
|
08/05/2026
08/05/2026
|
Active |
$4,650,000
|
Florida Keys/Marathon MLS |
|
04/30/2026
04/30/2026
|
Active |
$4,995,000
|
Florida Keys/Marathon MLS |
Market Trends
Source: Constellation1
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