About 3742 Seagrape St
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.
Features of 3742 Seagrape St
| MLS® # | A11877495 |
|---|---|
| Price | $6,450,000 |
| Bedrooms | 3 |
| Bathrooms | 3.00 |
| Full Baths | 3 |
| Square Footage | 4,687 |
| Acres | 0.00 |
| Year Built | 2014 |
| Type | Residential |
| Sub-Type | Single Family Residence |
| Style | Detached, Two Story |
| Status | Active |
Community Information
| Address | 3742 Seagrape St |
|---|---|
| Area | 98 Florida Keys |
| Subdivision | PORT PINE HEIGHTS 2ND ADD |
| City | Big Pine |
| County | Monroe |
| State | FL |
| Zip Code | 33043-6115 |
Amenities
| Utilities | Cable Available |
|---|---|
| Parking Spaces | 4 |
| Parking | Attached Carport, Circular Driveway, Covered, Driveway, Golf Cart Garage, Guest, Other, Paver Block |
| # of Garages | 4 |
| View | Bay, Water |
| Is Waterfront | Yes |
| Waterfront | Bay Front, Canal Access, Ocean Access, Seawall |
| Has Pool | No |
Interior
| Interior | Tile |
|---|---|
| Appliances | Dishwasher, Electric Water Heater, Disposal, Microwave |
| Heating | Central |
| Cooling | Central Air |
| Fireplace | No |
| # of Stories | 2 |
| Stories | Two |
Exterior
| Exterior Features | Balcony, Security/High Impact Doors, Lighting |
|---|---|
| Windows | Impact Glass |
| Roof | Concrete |
| Construction | Block |
| Foundation | Raised |
Additional Information
| Date Listed | September 12th, 2025 |
|---|---|
| Days on Market | 183 |
| Zoning | SF |
| Foreclosure | No |
| Short Sale | No |
| RE / Bank Owned | No |
Listing Details
| Office | Ocean Sotheby's International |
|---|