3742 Seagrape Street
Big Pine Key, FL 33043
MLS # A11877495· Active IDX
$4,650,000
- Bedrooms
- 3
- Bathrooms
- 3
- Living area
- 4,687 sq ft
- Lot size
- 0.4 acres
- Year built
- 2014
- Type
- Single Family Residence
- Days on market
- 534
About this home
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.
Details
| MLS # | A11877495 |
|---|---|
| Status | Active |
| Subdivision | Port Pine Heights 2nd Add |
| County | Monroe |
| ZIP | 33043 |
| View | Water, Bay |
| Waterfront | Yes |
| Private pool | Yes |
| Garage spaces | 4 |
| Construction | Block, CBS |
| Roof | Concrete |
| Flooring | Tile |
| Heating | Central |
| Cooling | Central Air |
| Appliances | Electric Water Heater, Disposal, Dishwasher, Microwave |
| Interior features | Built-in Features, Elevator, Kitchen Island, Closet Cabinetry |
| Exterior features | Lighting, Balcony |
| Furnished | Negotiable |
| Pets | Yes, No Restrictions |
| Water | Public |
| Sewer | Public Sewer |
| Utilities | Cable Available |
| Annual taxes | $28,079 |
Listing courtesy of Ocean Sotheby's International, Jo Ann Cook. Last updated Sep 9, 2026, 6:00 PM ET.
Request a showing
Mention MLS # A11877495 (3742 Seagrape Street) and when you would like to visit. A licensed real-estate professional will contact you.
Licensed brokerage
Premier Real Estate Group Inc
Broker of record Maxim Bohadana, Florida broker license BK3314523
(954) 703-4504The data relating to real estate for sale on this website comes in part from the IDX Program of BeachesMLS, Inc. Information is deemed reliable but not guaranteed. Listings held by brokerages other than Premier Real Estate Group Inc are marked with the IDX logo and detailed information about them includes the name of the listing broker. Last updated Sep 9, 2026, 6:00 PM ET.