3742 Seagrape Street
Big Pine Key, FL 33043
3
Bed
3
Bath
4,687Sqft
17,260Sqft(Lot)
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.
Property Details
Map
Map
What's Nearby
Nearby Areas
Features
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Bedroom Information
Total beds: 3Bathroom Information
Total Baths: 3 Full Baths: 3Room Information
Rooms Total: 3Roofing Information
ConcreteFlooring Information
Tile -
Interior Features
BuiltInFeatures, Bathtub, ClosetCabinetry, Elevator, KitchenIsland, MainLevelPrimary, MultipleEnSuiteBathrooms, SoakingTub, SeparateShower, UpperLevelPrimaryRoof: ConcreteAppliances: Dishwasher, ElectricWaterHeater, Disposal, Microwave -
Heating & Cooling
Has Heating: Yes Heating: Central Has Cooling: Yes Cooling: CentralAir Water front: 1
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Building Information
Year Built: 2014Construction Materials: BlockStories: 2Frontage Length: 300.00Patio And Porch Features: Open, BalconyPool Features: Concrete, Heated, InGroundPrivate Pool: YesWater front Features: Bayfront,CanalFront,OceanAccess,SeawallView: Bay, Water -
Exterior Features
Exterior Features: Balcony, Lighting, OutdoorLivingArea
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Lot Information
Lot Dimensions: 49760 Main Square Feet: 17260 Lot Size Acres: 0.4 Lot Description: OneToTwoAcresProperty Information
Subdivision: PORT PINE HEIGHTS 2ND ADD Source Property Type: Residential Postal Code Plus 4: 6115 Property SubType: Single Family Residence Direction Faces: North Levels: Two Property Age: 12
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Listing Price Information
Listing Price: $4650000Original Price: $6450000Cash, Conventional
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Tax Information
Parcel Number: 00297040000000 Tax Year: 2024 Annual Tax: $28079 Tax Legal Desc: BK 77 LOTS 3 AND 4 PORT PINE HEIGHTS 2ND ADD BIG PINE KEY PB4-167 AND ADJ FILL BAY BTM OR376-233 OR517-179 OR555-195D/C OR872-1053/1057 OR12
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Virtual Tour
Parking Information
AttachedCarport, CircularDriveway, Covered, Carport, Driveway, GolfCartGarage, Guest, PaverBlockGarage Information
Has Garage: Yes Garage Space: 4 Pets Allowed: NoPetRestrictions, YesHomeowners Association Information
Association Amenities: None
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School Information
Elementary School: Sugarloaf Junior High School: Marathon Senior High School: Key West -
Utility Information
CableAvailable -
Location Information
Direction: From US-1, right on Key Deer Blvd all the way to Kyle Blvd, left onto Kyle, left onto Sea Grape Street. Property is on right side with gated entry. WaterSource: Public
How much is this property worth?
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Nearby Home Value
| Address | Estimate | Bed | Bath | Sq. Ft | Lot Size |
|---|---|---|---|---|---|
| 31169 Avenue G, Big Pine, FL, 33043 | $649,000 | 3 | 2 | 1,248 | 1,248 SqFt |
| 31033 Hibiscus Drive, Big Pine Key, FL, 33043 | $750,000 | 3 | 2 | 1,008 | 1,008 SqFt |
| 30995 Watson Boulevard, Big Pine Key, FL, 33043 | $2,300,000 | 4 | 3 | 2,400 | 2,400 SqFt |
| 1733 Sunrise Drive, Big Pine Key, FL, 33043 | $2,069,000 | 3 | 2 | 1,849 | 1,849 SqFt |
| 1553 Sunrise Drive, Big Pine Key, FL, 33043 | $2,700,000 | 4 | 3 | 2,100 | 2,100 SqFt |
| 30368 Killdeer Lane, Big Pine Key, FL, 33043 | $964,999 | 3 | 2 | 1,200 | 1,200 SqFt |
| 74 Pelican Lane, Big Pine Key, FL, 33043 | $660,000 | 3 | 3 | 1,152 | 1,152 SqFt |
| 29662 Independence Avenue, Big Pine Key, FL, 33043 | $1,199,000 | 2 | 2 | 1,024 | 1,024 SqFt |
| 29565 Flying Cloud Avenue, Big Pine Key, FL, 33043 | $1,150,000 | 4 | 3 | 960 | 960 SqFt |
| 1540 Lantana Lane, Big Pine Key, FL, 33043 | $949,000 | 3 | 2 | 1,418 | 1,418 SqFt |
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ByOwner last updated this listing 08/18/2026 @ 02:45
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