MIAMI REALTORS® MLSActiveMLS® A11877495
$4,650,000
3742 Seagrape Street, Big Pine Key, FL 33043
- Beds
- 3
- Baths
- 3
- Sqft
- 4,687
- Home type
- Single Family Residence
- Year built
- 2014
- Lot size
- 17,424 sqft
- Price / sqft
- $992
- HOA
- $0/mo
- Community
- PORT PINE HEIGHTS 2ND ADD
Property description
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.
Listing activity
- Days on market
- 543
- Listed
- Apr 28, 2025
- MLS listing updated
- Oct 24, 2026
- Feed last checked
- 6 minutes ago
Listed by Jo Ann Cook · Ocean Sotheby's International
Map
Map location is based on MLS-supplied coordinates. Verify the location before relying on it.
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms
- 3
- Bathrooms
- 3
- Bathrooms (decimal)
- 3
- Full bathrooms
- 3
- Half bathrooms
- 0
Rooms & features
- Rooms
- 3
- Interior features
- Built-in Features, Closet Cabinetry, Elevator, Kitchen Island
- Flooring
- Tile
- Appliances
- Electric Water Heater, Dishwasher, Disposal, Microwave
- Furnished
- Negotiable
Heating & cooling
- Heating
- Central
- Cooling
- Central Air
Property
Parking
- Garage spaces
- 4
- Garage
- Yes
- Carport spaces
- 4
- Carport
- Yes
- Covered spaces
- 8
- Parking features
- Attached Carport, Carport, Circular Driveway, Covered, Driveway, Golf Cart Garage, Guest, Paver Block
- Attached garage
- No
Exterior
- Stories
- 2
- Entry level
- 2
- Exterior features
- Balcony, Lighting
- Pool
- Yes
- Pool features
- Concrete, Heated, In Ground
- View
- Bay, Water
- Waterfront
- Ocean Access, Bay, Canal Front, Seawall
- Waterfront property
- Yes
- Spa
- Yes
- Spa features
- Gunite
Lot
- Lot size
- 17,424 sqft
- Lot size (acres)
- 0.4 acres
- Lot dimensions
- 49760
- Zoning
- SF
Construction
Type & style
- Home type
- Single Family Residence
- Year built
- 2014
Materials
- Construction
- Block, CBS
- Roof
- Concrete
- Levels
- Two
- Faces
- North
Utilities & green energy
Utilities
- Sewer
- Public Sewer
- Water
- Public
- Utilities
- Cable Available
Community & HOA
Community
- Subdivision
- PORT PINE HEIGHTS 2ND ADD
- MLS area
- 5940 - Other Florida County
- MLS subarea
- Other
- Pets allowed
- No Restrictions, Yes
- 55+ community
- No
Association
- Has association
- No
- Estimated monthly dues
- $0
- Amenities
- None
Lease details
Not reported by the listing source.
Location
Area details
- City
- Big Pine Key
- County
- Monroe
- ZIP code
- 33043
Manufactured home details
Not reported by the listing source.
Financial & listing details
Listing
- MLS number
- A11877495
- Possession
- Close Of Escrow
- Original list price
- $6,450,000
- Parcel number
- 00297040000000
- Annual property tax
- $28,079
- Tax year
- 2024
- Tax legal description
- 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
Additional MLS details
Reported by the listing source
- Association Amenities
- None
- Association
- No
- Bathrooms Total Decimal
- 3
- Bathrooms Total Integer
- 3
- Construction Materials
- Block, CBS
- County Or Parish
- Monroe
- Days On Market
- 543
- Direction Faces
- North
- Elementary School
- Sugarloaf
- High School
- Key West
- List Price
- 4650000
- Listing Contract Date
- 2025-04-28
- Living Area
- 4687
- Lot Size Acres
- 0.4
- Lot Size Area
- 17260
- Lot Size Dimensions
- 49760
- MLSArea Major
- 5940 - Other Florida County
- MLSArea Minor
- Other
- Middle Or Junior School
- Marathon
- Mls Status
- Active
- On Market Date
- 2025-04-28
- Photos Count
- 47
- Postal Code
- 33043
- Price Change Timestamp
- 2026-08-09T16:07:13Z
- Property Sub Type
- Single Family Residence
- Property Type
- Residential
- Rooms Total
- 3
- Senior Community
- No
- Standard Status
- Active
- State Or Province
- FL
- Status Change Timestamp
- 2025-04-28T16:19:16Z
- Stories Total
- 2
- Subdivision Name
- PORT PINE HEIGHTS 2ND ADD
- Water Source
- Public
- Waterfront Features
- Ocean Access, Bay, Canal Front, Seawall
- Tax Annual Amount
- 28079
- Bathrooms Full
- 3
- Pool Private
- Yes
- Bedrooms Total
- 3
- Bathrooms Half
- 0
Market value
Price history
| Date | Event | Price |
|---|---|---|
| Apr 28, 2025 | ListedMIAMI REALTORS® MLS | $6,450,000$1,376/sqft |
| Aug 9, 2026 | Price reducedMIAMI REALTORS® MLS | $4,650,000$992/sqft |
Public tax history
| Year | Property taxes | Assessment |
|---|---|---|
| 2024 | $28,079 | — |
Payment calculator
Estimated monthly payment$28,793/moIllustrative estimate, not a loan offer.
- Principal & interest
- $24,128
- Property taxes
- $2,340
- Insurance
- $2,325
- Association dues
- $0
Live national rate context is displayed below through Mortgage News Daily’s official widget. The calculator rate remains a separate assumption until licensed machine-readable access is connected. This is not a loan offer.
Neighborhood
Area
PORT PINE HEIGHTS 2ND ADDBig Pine Key · Monroe County · 33043
Climate risk
—No licensed climate-risk source is connected.
Nearby schools
SugarloafElementary
—MarathonMiddle
—Key WestHigh
—Nearby homes
12 homesMIAMI REALTORS® MLS$840,0002 bd · 2 ba · 1,048 sqft3635 Trade Winds Street, Big Pine Key, FL 33043
MIAMI REALTORS® MLS$1,100,0003 bd · 2 ba · 960 sqft4276 Dorn Road, FL 33042
Property photos coming from MLSMIAMI REALTORS® MLS$895,0002 bd · 2 ba · 988 sqft1669 Lantana Lane, Big Pine Key, FL 33043
$899,0003 bd · 2 ba · 1,418 sqft1540 Lantana Lane, Big Pine Key, FL 33043
MIAMI REALTORS® MLS$995,0002 bd · 2 ba · 1,092 sqft1539 Lantana Lane, Big Pine Key, FL 33043
Property photos coming from MLSMIAMI REALTORS® MLS$240,0002 bd · 1 ba · 672 sqft28177 Julia Avenue, FL 33042
MIAMI REALTORS® MLS$964,9993 bd · 2 ba · 1,200 sqft30368 Killdeer Lane, Big Pine Key, FL 33043
MIAMI REALTORS® MLS$379,900— bd · 0 ba · — sqft30351 Flamingo Lane, Big Pine Key, FL 33043
MIAMI REALTORS® MLS$1,970,0003 bd · 2 ba · 1,849 sqft1733 Sunrise Drive, Big Pine Key, FL 33043
$240,000— bd · 0 ba · — sqft0 Little Torch key Key, Little Torch Key, FL 33042
MIAMI REALTORS® MLS$895,000— bd · 0 ba · — sqft30988 Witters Lane, Big Pine Key, FL 33043
MIAMI REALTORS® MLS$2,300,0004 bd · 3 ba · — sqft30995 Watson Boulevard, Big Pine Key, FL 33043
Similar homes
12 homes
$4,700,0005 bd · 6 ba · 4,103 sqft231 E Shore Drive Unit 6, Key West, FL 33040
$4,595,0005 bd · 6 ba · 4,103 sqft231 E Shore Drive Unit 2, Summerland Key, FL 33040
MIAMI REALTORS® MLS$4,750,0004 bd · 5 ba · 4,464 sqft44 W Plaza Del Lago, FL 33036
MIAMI REALTORS® MLS$4,799,0005 bd · 3 ba · 2,400 sqft1200 Mockingbird Road, Key Largo, FL 33037
MIAMI REALTORS® MLS$4,500,0004 bd · 4 ba · 3,001 sqft75761 Overseas Highway, Islamorada, FL 33036
MIAMI REALTORS® MLS$4,500,0004 bd · 6 ba · — sqft155 Palo De Oro Drive, Islamorada, FL 33036
MIAMI REALTORS® MLS$4,490,0005 bd · 5 ba · 3,826 sqft865 50th Street Gulf, Marathon, FL 33050
MIAMI REALTORS® MLS$4,890,0003 bd · 3 ba · 2,950 sqft60 Ocean Front Drive, Key Largo, FL 33037
MIAMI REALTORS® MLS$4,899,0004 bd · 4 ba · 2,476 sqft115 Villa Bella, Islamorada, FL 33036
$4,400,0005 bd · 6 ba · 4,103 sqft231 E Shore Drive Unit 1, Key West, FL 33040
$4,375,0005 bd · 6 ba · 4,103 sqft231 E Shore Drive Unit 4, Key West, FL 33040
MIAMI REALTORS® MLS$4,350,0004 bd · 4 ba · 3,120 sqft226 Navajo Street, Plantation Key, FL 33070