Residential

3742 Seagrape Street, Big Pine Key

$4,995,000.00

Bedroom 3 bedrooms
Bathroom 3 baths

  • MLS #: 619696
  • Address: 3742 Seagrape Street, Big Pine Key, FL 33043
  • Date Listed: 4/30/2026
  • Days on Market: 41
  • SQFT: 4687
  • Acres: 1.14
  • Restrictions: Unknown
  • Subdivision: Port Pine Heights (29.0)

Location Location

Agent Comments Agent Comments
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!

Amenities Amenities
  • Stainless Steel Appliance(s)
  • Dishwasher
  • Disposal
  • Dryer
  • Microwave
  • Oven
  • Refrigerator
  • Washer

Interior Features Interior Features
  • Heat System: Propane Stove
  • Floors: Tile
  • Rooms: Laundry Room, Media Room, Theater Room, Utility Room
  • Interior: Utility Room, Entrance Foyer, Walk-in Closet(s), Built-in Cabinets, Cathedral Ceilings, Drapes/Blinds Incl, Elevator, Granite Counter Top, Storage, Window Treatments, Media Room

Exterior Features Exterior Features
  • Parking: Open, Guest, Off Street, Covered, Carport
  • Roof: Concrete
  • Pool: Yes
  • Exterior: Rain Gutters, Lighting, Bar, Built-in Grill, Fencing, Outdoor Kitchen, Privacy Wall/Fence, Sprinkler System, Water Display

Additional Features Additional Features
  • County: Monroe
  • Property Type: Single Family Residence
  • Tax Number: 2147483647
  • Waterfront Features: Bay Front, Gulf Front, Open Water
  • Water/Sewer: Cable Available, FKAA, Municipal Sewer, Propane, Whole House Generatr
  • Year Built: 2014