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3742 Seagrape Street, Big Pine Key, FL 33043

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For Sale

$6,450,000

3 beds • 3 baths • 4,687 sqft

Estimated Payment

$      /mo. †

APR for 30 years

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  • Single Family Detached
    Property type

  • $1,376.15
    Price per square foot

  • 11-20 Years Old
    Age

  • Hot Tub Spa
    Amenities

Explore this Property

Breathe in serenity during your escape to the ''The Castle'', a luxurious gated Gulf-front estate gracefully spanning 1.14 acres on Big Pine Key. This extraordinary retreat is a rare 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, including a 2023 Sea Cat, 14.5' skiff, and 2015 Chevrolet Silverado - this is ultimate Keys living without compromise!
MLS# 615356

Courtesy Of Ocean Sotheby's International Realty

(305) 735-4447

Property Features

  • Age
    11-20 Years Old
  • Amenities
    Sprinkler System, Ceiling Fan, Hot Tub Spa, Security System, Disabled Access, Security System, Elevator, Water Front
  • Appliances
    Dishwasher, Dryer, Garbage Disposer, Microwave, Range, Refrigerator, Washer
  • Architecture Style
    Other
  • Cooling System
    Ceiling Fan(s)
  • Floor Covering
    Tile
  • Lot Size
    1.14 Acres
  • View Type
    Water

Map and Directions

Directions to 3742 Seagrape Street, Big Pine Key, FL 33043

Home seller CENTURY 21 Circle

Get to know the neighborhood. A local affiliated CENTURY 21 office will help you set up tours, give advice, and negotiate with sellers.

CENTURY 21 Circle

(305) 735-4322
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Copyright © 2025 Marathon and Lower Keys Association of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified. Information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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This information is provided for general informational purposes only and should not be relied on in making any home-buying decisions. School information does not guarantee enrollment. Contact a local real estate professional or the school district(s) for current information on schools. This information is not intended for use in determining a person's eligibility to attend a school or to use or benefit from other city, town or local services.

† Based on a 30-year fixed rate of 3.38% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Interest rates are also subject to credit and property approval based on secondary market guidelines. The rates shown are based on average rates for our best qualified customers. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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